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Flow
sensors, flow transmitters,
flow meters, flowmeters, flow measurement
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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Sierra Announces 2-Year Warranty Coverage for Flow Switches |
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 Sierra
Instruments announces it will offer a 2-year warranty for its entire
line of Innova-Switch™ Flow Level Switches beginning July 1, 2010.
“We’re committed to the highest quality in all our products, and I think
this action proves that we’re thinking ahead for our customers’
long-term benefit,” says Scott Rouse, Sierra Product Manager. “ Sierra’s
Innova-Switch™ has been a solid performer in the market for decades.
Designed to meet a broad range of performance and environmental
application requirements, the sensor and other wetted materials are 316L
stainless steel and feature all welded construction with no moving
parts. The Innova-Switch is also easy to install and adjust, giving
reliable, low maintenance performance in the most demanding
applications. Flow detection and level detection is accomplished by
using a high-resolution thermal differential technique. The sensor
consists of a pair of matched Resistance Temperature Detectors (RTD's). ... |
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+ Info |
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Scientific investigations prove adverse
effects from contamination in reflecting ultrasonic flowmeters are a
myth |
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 Krohne:
Ultrasonic flowmeters for custody-transfer measurement of natural gas
are prone to contamination. There have been continuous allegations that
ultrasonic flowmeters with soiled reflectors will measure inaccurately
due to the contamination on the reflectors. Up to today, there have been
no test results that will withhold this allegation. Exhaustive
investigations at the EON Ruhrgas high-pressure gas testing facility in
Lintorf (Germany) on possible effects of contamination on ultrasonic
flowmeters (UFM) have irrefutably shown that the accuracy is not
affected by the reflection principle. Indeed, the investigations
substantiate a significant advantage of reflection technology; actually
compared to direct path measurement the level of contamination can be
recognised from the reflection properties of the acoustic signal. ... |
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+ Info |
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SCHMIDT Technology: Flow sensors for
cleanrooms |
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 Defined
overpressure ensures the product and process safety in cleanrooms. If
the required pressure measurement by means of a flow sensor is provided
additionally, for example by means of SS 20.400 by Schmidt Technology,
the controlled air volume adjustment can help to improve the energy
efficiency in cleanrooms significantly. To obtain excess pressure in
cleanrooms, very high volume flows are usually required in the
air-conditioning system. Not least for safety reasons and due to
reliable measurement of pressure by means of differential pressure
sensors, the standard EN ISO 14644 specifies excess pressure values in
the range from 5 to 20 Pascal. For example in pharmaceutical cleanrooms,
they often lie between 15 and 30 Pascal and even higher. The air volume
required to control the room pressure accounts for the significant share
of the energy consumption by an air conditioning system to supply
cleanrooms. Practical experience prove that just the current consumption
of ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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Multi Fluid Multi Range gives flexibility and cost reduction |
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 Digital
Mass Flow Meters and Controllers for gases of Bronkhorst High-Tech’s
Select series offer greater flexibility for user selection of both flow
ranges and gas types. As a result of their ‘Multi Fluid Multi Range’
feature in combination with a high rangeability (up to 187.5:1),
equipment manufacturers (OEMs) are able to drastically reduce the
variety of spare instruments they keep on stock and thus reduce the cost
of ownership. Users of MFCs in pilot plants or laboratories can rescale
their instruments on site, saving time and money for dismounting and
recalibration. For the convenience of the user, Bronkhorst High-Tech has
developed a free software tool called FlowTune. By hooking up the
instrument to the RS232 port of a lap-top and running this freeware
configuration tool, the selection of different flow ranges is as simple
as 1, 2, 3. The instruments, covering flow ranges from 0…1 mln/min up to
0…1670 ln/min, are available in ... |
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+ Info |
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Sierra Introduces New Cryogenic Version
of Their Innova-Mass Vortex Flow Meter |
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 Sierra
Instruments, Inc.: In an effort to provide an advanced and more
reliable measurement system to the liquefied gas measurement market,
Sierra Instruments has introduced a new cryogenic version of their
Innova-Mass® multivariable mass vortex flow meter. This application has
been historically serviced by the turbine flow meter, however given that
the multivariable mass vortex meter has no moving parts to wear out or
be serviced, the benefit of the instrument is a more reliable, stable
reading and an increased service life. The new Innova-Mass cryogenic
version has undergone extensive testing and field validation over the
last several years proving that the meter is preferred versus
traditional turbine meters for measuring mass flow rates of cryogenic
fluids down to -328°F (-200°C). Using a special cryogenic temperature
RTD, mass calculations are done with the latest density equations of
state for liquid Oxygen, Nitrogen, Argon, and CO2. The Innova-Mass Model
240 and Model 241 measure five process variables (mass flow, volumetric
flow, temperature, pressure and density) through one process connection. ... |
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+ Info |
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IST’s New Micro Flow Sensor for Ultra Low
Gas-Flow Applications |
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 Innovative
Sensor Technology has developed a new MFS02 micro flow sensor that
utilizes thin film technology to layer platinum micro heaters and
temperature sensors on an ultra sensitive polymer membrane. The MFS02 is
capable of measuring the thermal mass flow of gases in a range from
0.001 to 2m/s (up to 50m/s), and has a chip temperature range of -40 to
+150°C. Polymer Membrane Construction: Using the same thin-film
construction philosophy as IST’s FS series flow sensors, the MFS02
employs a special glass substrate with an ultra thin polymer membrane to
achieve extreme sensitivity. A high performance material, the polymer is
characterized by outstanding thermal, mechanical and chemical behaviors.
Reduced thermal conductivity of the polymer membrane leads to better
thermal contrast and thus better sensitivity. Additionally, the sensor’s
glass substrate allows for a much higher operating temperature, making
the measurement of larger flow rates possible. Custom Sensor
Applications: IST’s development of the micro flow sensor allows
customers to ... |
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+ Info |
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Not a question of taste |
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 Krohne:
The position of the control valve in flowmeters can be crucial when
measuring gas flow, regardless of whether the valves are built into the
device or separate. If a valve is used to reduce the flow at the inlet
of the measuring device, the pressure in the measuring tube behind the
valve is reduced. Because gases are compressible, this change in
operating pressure results in a significant measurement error. For
example, a pressure reduction from 5 to 4 bars of absolute pressure in
the measuring tube of a variable area flowmeter results in a measurement
error of almost 12 %. Therefore, more or less gas flows unnoticed
through the device than is displayed. However, when the valve is
positioned at the outlet, the drop in pressure does not occur until
after the measuring tube and thus does not affect measurement. For this
reason, KROHNE offers the "control valve at the outlet" version for its
DK series. The DK series consists of a range of low volume flowmeters
with glass or metal cones used in many different applications ranging
from inlet pipes to gas chromatography and gas inertisation measurements
in chemistry to the measurement of gases used for anaesthesia in
hospitals. ... |
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+ Info |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Sierra Introduces New High Performance
Flow Controller at OEM Price |
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Sierra
Instruments announces the release of their new Smart-Trak® 50
Series. Sharing the same advanced core sensor technology as the
award-winning Sierra Smart-Trak® 100, the new Smart-Trak 50 is now
available at nearly half the price with expedited off-the-shelf delivery
at no extra charge. “Whether you're a machine builder, systems
integrator or end-user, the Smart-Trak 50 was designed for you!,” says
Matthew J. Olin, President of Sierra Instruments. “Right out of the box,
the performance of the Smart-Trak 50 is incredible! But that’s just the
beginning. It’s a modular design, so you’re good for years to come. Add
communications, displays or future functionality as you need it.” This
performance/price advantage was made possible by reducing the number of
mass flow controller parts by almost 50%, automating calibration around
slightly reduced accuracy and leveraging R&D costs against already
developed and proven sensor, valve and LFE technology. Sierra has also
been able to streamline delivery by stocking the seven most common flow
ranges. OEM’s that buy in volume will see deeper price reductions ... |
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Digital flow meter for medical gases |
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Sensirion:
The feeding of special gases such as nitrous oxide, xenon, carbon
monoxide etc., is of increasing importance in patient ventilation and
anaesthesia. As a consequence, it is increasingly necessary to be able
to measure smaller and smaller gas-streams precisely and reliably. With
the SFM4100, custom-tailored for integration into anaesthetic equipment,
Sensirion AG is responding to this trend in ventilation therapy. The
SFM4100 precision flow meter for air and other non-aggressive gases has
an impressively wide dynamic measuring range up to 20 slm. The sensor
unit has an I2C interface, provides a fully calibrated and
temperature-compensated output signal, and operates reliably at
pressures of up to 7 bar. Its outstanding long-term stability and
freedom from drift make the new SFM4100 first choice for products that
require a high rate of deployment with long service intervals. Using the
‘Multigas’ feature provided, calibrations for various different gases
can be integrated in a single sensor. ... |
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No end to cold wave, UFM 3030 ultrasonic
measuring device receives type-approval certificate under German law as
cold meter |
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KROHNE:
The UFM 3030 ultrasonic flowmeter now features type-approval certificate
under German law as a cold meter. This means the device can be used for
commercial purposes and for custody transfer applications. The customer
base for cold meters is predominantly made up of public utilities and
operators of refrigeration networks. The principle behind cold energy
measurement is identical to that of warm energy measurement: In both
cases, a flowmeter along with two temperature sensors and a calculator
are used to bill cold or warm energy. One typical application for cold
energy measurement would be a large refrigerating machine that serves a
business or a building. Air conditioning units use the supplied cold to
cool the surrounding air and return warm water. The cold energy consumed
can be calculated using the flow volume measured by the UFM 3030 and the
difference in temperature between the supply and return. The meters in
existing plants can easily be replaced without changing the existing
application as the UFM 3030 flowmeter is available in a variety of
installation lengths and for a wide range of minimum and permanent
flows. ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Direct measurement of volume flows,
Schmidt Technology now presents maintenance-free flow sensors also for
high temperatures |
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SCHMIDT
Technology: Thermal flow sensors are often used for measurement of
volume or mass flows of gases. An innovative and universal solution by
Schmidt Technology now allows measurements at temperatures up to 350 °C.
Flow velocity and volume flow can be measured according to the thermal
anemometer principle. With this method, a sensor element is continuously
heated to a temperature which is maintained, via a regulating circuit,
at a constant value of about 40 °C above the medium temperature.
Immersed in a medium to be measured, the sensor element cools down by
the air or gas flow. The heat transition from the heating element to the
medium is a measure of the medium's flow velocity. The advantages of
this method lie in the measurability of very low air flows from 0.2 Nm/s
up to very high volume flows, such as exist in compressed air. Moreover,
a thermal flow sensor is very robust, maintenance-free and quick-acting.
New materials resist high temperatures. At high temperatures, the use of
thermal anemometers ... |
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Sierra to Present Live Demo of
Award-Winning Smart-Trak® 2 |
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Sierra
Instruments has just announced that they will be featuring a live
demonstration of their new Smart-Trak® 2 mass flow controller, coupled
with Compod™, at the Pittcon Expo in Orlando, Florida, starting February
28. A recent recipient of the 2009 Flow Control Innovations Award,
Sierra’s new technology introduces unprecedented intelligence to digital
mass flow measurement and control. “At Sierra, we’re committed to
thinking ahead, says Matthew Olin, President. “Our new Smart-Trak® 2
mass flow controller, coupled with Compod™ demonstrates that commitment.
The result of over five years of user feedback, our next generation mass
flow controller delivers the kind of control, independence and
flexibility that leading companies and growth enterprises will need to
take advantage of the huge opportunities we see on the horizon.”
Reliable, stable and smooth gas mass flow control is now within reach as
a result of the proprietary Sierra Frictionless-Hovering Valve
Technology™ inside every Smart-Trak® 2. ... |
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MFS02 thermal mass micro flow sensor |
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IST’s
thin film MFS02 thermal mass micro flow sensor is ideal for small gas
flow and differential pressure applications. The sensor features an
ultra sensitive polymer membrane on a special glass substrate with four
heaters and a pt1000 temperature sensor. The MFS02 is capable of
measuring from 0.001 to 2m/s (50 m/s) in a temperature range of -40 to
+60°C. Custom sensor dimensions and layouts can be selected to fit
specific customer applications. The sensor’s rugged design lends itself
for mounting on an electronic PCB or other carrier. EVA kits are
available for evaluation of the MFS02. ... |
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Magnetically inductive flow rate
transmitter with frequency, current and relay outputs |
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The
JUMO 406010 flow rate transmitter is suitable for conductive
liquids in tubing with nominal widths from DN 15 to DN 400. Flow speeds
from 0.2 to 10 m/s can be measured. Standardized stainless steel and
plastic fittings are available for mounting the transmitter in the
tubing. Pressures to PN 16 and temperatures up to 150 °C are possible,
depending on the type. The transmitter is fitted with a current output
of 4 - 20 mA, a 0 - 240 Hz frequency output and a relay output with a 3
A, 250 V AC changeover contact. The power supply is 18 - 32 V DC. The
instrument is reverse-polarity protected. Whereas electrical connection
is implemented by screw terminals, there are screw-type cable glands
available for cable penetration. The flow rate transmitter can be
adjusted to different measurement ranges via DIP switches. To display
and further process the measurement value, the flow rate transmitter can
be connected to various instruments from ... |
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Impeller flow rate sensor with connector
to EN 175 310 and frequency output |
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The
JUMO 406020 flow rate sensor with impeller is suitable for
neutral liquids, as well as weakly aggressive ones with low solid
levels, in tubing with nominal widths from DN 15 to DN 400. Flow speeds
from 0.3 to 10 m/s can be measured. Standardized stainless steel and
plastic fittings are available for mounting the transmitter in the
tubing. Pressures to PN 10 and temperatures up to 100 °C are possible,
depending on the type. The sensor is fitted with a 0 - 300 Hz frequency
output and is reverse-polarity protected. The power supply is 12 - 36 V
DC. A conventional connector to EN 175 301 is sufficient for electrical
connection. To display and further process the measurement value, the
flow rate sensor can ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Thermal Mass Flow Sensors |
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Innovative Sensor Technology: T thin film mass flow sensors offer
solutions for a wide variety of flow applications. The thin film and
membrane technologies incorporate highly accurate temperature sensors
and heaters as core elements of the sensors. IST flow sensors are
applicable in both liquid and gas, have an operating temperature range
of -30°C to +150°C, and can measure flow rate and direction from
0.0001m/s (microflowSens) to 100m/s. Development channels guarantee the
best possible adaptation of our flow sensors ... |
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WATERFLUX 3070 battery powered
water meter |
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KROHNE
introduces a new measuring instrument: The WATERFLUX 3070 is an
electromagnetic water meter for applications in the water and standard
applications wastewater industry. It has a very long battery life of 15
years, making it especially suitable for applications where no power
connection is available. The meter also has the option of a GSM module
for remote transmission of measurement data and status information. The
new WATERFLUX 3070 offers the user some unique benefits that comparable
solutions lack: Thanks to extremely short inlets and outlets, the
WATERFLUX can be installed in very narrow wells and chambers. The meter
is highly accurate and being a magnetic-inductive meter, it is superior
to mechanical water meters in terms of pressure loss and long-term
stability. For large diameters, the WATERFLUX 3070 has a significant
price advantage compared to the lifetime cost of mechanical meters which
require filters and rectifiers as well as maintenance and cleaning. ... |
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Sierra Lifetime Warranty Coverage for Sensors |
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Sierra
Instruments has announced that it will offer lifetime warranty
coverage for the Dry-Sense™ sensors in all Sierra Immersible Mass Flow
Meters. Sierra has incorporated their proprietary Dry-Sense™ technology
into their products since the 1990’s and to their knowledge are the only
company in the industry to back up their thermal sensor for life. “We’re
committed to the highest quality in all our products, and I think our
latest actions prove that we’re thinking ahead for our customers’
long-term benefit,” says Scott Rouse, Sierra Product Manager. “We
believe our patented Dry-Sense™ no-drift sensors are the best in the
industry and we’re willing to stand by them for their lifetime.” Sierra
offers the lifetime warranty on all Dry-Sense™ sensors in the Sierra
Model 640S, 670S and 780S (non UHP) Immersible Thermal
Mass Flow Meters
sold after January 1, 2010. ... |
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OPTISWIRL 4070 put to test |
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Krohne:
Today, natural gas is one of the most important energy carriers in many
factory processes with constantly increasing sales. In many companies
and plants it is an easy to handle fuel, without which operation is
virtually unimaginable. Although the current price tag of around 40
cents per cubic metre seems very low in and of itself, there are
considerable costs that come to bear in practice: For example, at this
gas price in a DN 100 natural gas pipe at 25 bars of pressure, 35
million euros flow through the pipe per year. In this case, it is worth
investing in precise measuring equipment, especially if internal
balancing of energy consumption is a goal. In this application, a vortex
flowmeter such as the OPTISWIRL 4070 C provides high accuracy at minimal
investment cost. In order to check the characteristics of the OPTISWIRL
when measuring natural gas, KROHNE had a production model tested under
practical conditions at the pigsar testing facility in Dorsten. The high
pressure gas meter testing facility ... |
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Sierra Introduces Range of Measurement Solutions for EPA Mandated Green
House Gas Reporting |
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Sierra
Instruments introduced a line of mass flow meters Certified by
Sierra for Green House Gas (GHG) reporting. All Sierra GHG meters now
conform to the new EPA rule (40 CFR Part 98), which mandates that as of
January 2, 2010, companies in the United States that emit more than
25,000 tons/year of CO2 equivalent must report GHG emissions. It is
estimated that approximately 10,000 of the country’s largest businesses
will be affected. Sierra’s GHG Certified mass flow meters provide an
economical way to totalize methane or natural gas burned, enabling the
calculation of CO2 equivalent emissions. Sierra has extensive experience
in producing highly accurate and repeatable mass flow meters for methane
(CH4) as well as N20, SF6, HFC’s, PFC’s and CO2 as called out in the EPA
mandate. “This is really our strong suit,” says Matthew J. Olin,
President of Sierra. “Our customers saw the environmental writing on the
wall some time ago and we have been steadfastly pursuing both
sustainable and profitable industry flow measurement solutions ever
since. To make it easier for our customers facing this measurement
challenge to find the meter they need, we’ve established a dedicated
webpage that features our three most popular GHG Certified mass flow
meters. ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Sierra Plays Pivotal Role in Biogas
Production Resulting in High Energy Savings for California Wastewater
Treatment Facility |
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In
the conversion of solid wastes to high-efficiency fuel, digestion plays
a critical first step in producing raw biogas. For Santa Cruz Wastewater
Treatment Facility, Sierra’s Immersible Thermal Mass Flow Meters
deliver critical readings indicating exact digestive status while
controlling the final step of precisely blending the cleaned and
compressed biogas with natural gas. Since 1989 this state-of-the art
wastewater treatment facility, nestled in a shallow canyon in the
coastal city of Santa Cruz, has been leading the way for renewable
energy programs and environmental protection in the West. Santa Cruz
Wastewater generates their own electric power by using
internal-combustion engines which burn a mixture of methane gas produced
by the sewage digestion process and purchased natural gas, producing 7.4
million kwH of electric power per year. Historically, wastewater
treatment facilities around the globe have used differential pressure
devices for their gas measurements. These devices proved to be expensive
to maintain, clogged easily, and required a separate pressure and
temperature transducer and flow computer to deliver true mass flow ... |
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OPTISONIC 6300 XT: Non–intrusive flow
measurement in hot applications |
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KROHNE
has added a new sensor variant to its product range of clamp-on
ultrasonic flowmeters for measuring liquids: the new OPTISONIC 6300 XT
for high temperature applications. It allows for a non-intrusive
measurement of fluids with temperatures up to 200 0C or 392 0F. The
sensor and connection box of the OPTISONIC 6300 XT are made out of
stainless steel, special transducers are integrated in the sensor
construction, and a red coloured protection sleeve for the signal cable
is provided to prevent damages from hot pipes. The OPTISONIC 6300 XT is
available in two sensor types; small and medium, applicable for diameter
sizes DN 15 to DN 400. Target applications and markets for the OPTISONIC
6300 XT include heated hydrocarbons, molten sulphur, thermal oil, heat
traced MDI, carbamate in the petrochemical and chemical industry, hot
water for district heating and condensate in the energy industry and
CIP/SIP processes in the food and beverage and pharmaceutical industry.
In these applications, OPTISONIC 6300 XT offers many benefits as it is
easy to install, increases safety and it provides accuracy and
reliability. ... |
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Sierra White Paper Describes Reliability
Gains in their Next Generation Multivariable Mass Vortex Technology |
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Sierra
Instruments, Inc. of Monterey, California announced the publication
of the third of its four part core technology white paper series on the
Sierra multivariable mass vortex core technology. The first to introduce
a Multivariable Mass Vortex flow meter to industry, part three of the
core technology white paper series explores the science and mechanics
behind Sierra’s multivariable mass vortex meter. Follow the evolution of
Sierra technology from a vortex shedding flow meter to their latest
innovations. Through an easy-to-understand description of its operating
principle, this white paper also details the reasons why multivariable
mass vortex flow meter technology is considerably more reliable and how
that directly benefits the end-user. Sierra has also created a white
paper resource section library on their website that features
information on mass flow meters and controllers used in petroleum,
chemical, pulp & paper, and other applications ... |
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Metal Sealed Digital Mass Flow Controller |
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Bronkhorst
High-Tech B.V., manufactures metal sealed mass flow
meters/controllers, designed especially to meet the requirements of the
semicon market as well as other high purity gas applications. The
instruments feature high surface quality and are of modular construction
with metal-to-metal seals that ensure long-term leak tightness. Now, as
an alternative to traditional face seal fittings, optional downport
connections (c-seal/w-seal) are offered to reduce mounting space, while
facilitating installation and maintenance. Metal sealed mass flow
meters/controllers can be supplied in ranges starting from 0.1…5 sccm up
to 0.6…100 slm (based on N2) or even higher on request. Todays
instruments are equipped with a digital pc-board, offering high
accuracy, excellent temperature stability and fast response (settling
time down to 500 msec). The main digital pc-board contains all of the
general functions needed for measurement and control. The latest
EL-FLOW® design features Multi Gas / Multi Range functionality,
providing (OEM-) customers with optimal flexibility and process
efficiency. ... |
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Engine Air Intake Mass Flow Meter for
Engine Testing Applications at to show at Automotive Testing Expo North
America |
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Sierra
Instruments’ Emissions Systems Division will show their Air-Trak™
Model 628S Engine Air Intake Mass Flow Meter at the Automotive Testing
Expo in Novi, Michigan on October 27-29, 2009. The Air-Trak™ Model 628S,
originally designed to work specifically with Sierra’s Model BG®-3
Partial Flow Sampling System as an extremely fast, accurate, and
repeatable engine air intake mass
flow meter, is now offered as an
excellent solution across the board in all engine testing applications.
Air-Trak™ is specifically designed to measure engine air intake mass
flow rate. The meter uses Fast-Flo Sensor Technology® for an extremely
fast, 200 millisecond response-time making it ideal for the toughest
transient test cycles. Integral Dual-Plate laminar flow conditioning
elements and a wide 15:1 turndown make Air-Trak™ a flexible solution for
the constrained piping environments commonly found in today’s engine
test cells. In addition, the versatile microprocessor-based instrument
integrates the functions of flow-range adjustment, meter validation and
diagnostics encased in a probe-mounted NEMA 4X (IP65) housing. Mass flow
rate and totalized flow, as well as other configuration variables, are
displayed on the meter’s 2 x 12 backlit LCD panel. Air-Trak™ also
provides an optical/galvanic, isolated 4-20 mA output or 0-5 VDC output
and two alarm outputs. The programmable transmitter ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Sierra Instruments Partners with Monterey
Bay Research Institute to Protect Marine Life from Ocean Acidification |
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Since
2005, Dr. Barry and his team at the Monterey Bay Research Institute (MBARI)
have depended upon Sierra mass flow controllers to help conduct
experiments to discover how rapidly increasing atmospheric CO2 levels
are affecting the enormous variety of marine animals in our seas. The
Monterey Bay Research Institute (MBARI) sits on one of the most
spectacular coastlines in the world. But beneath this beauty, the
Monterey Bay and our oceans are changing rapidly due to the influx of
CO2 in our atmosphere. According to Dr. Barry, a Benthic Biologist and
Senior Scientist at MBARI, about 1/3 of human CO2 gas emissions in our
atmosphere are absorbed by the ocean, making the ocean 30% more acidic
than just 100 years ago. “Ocean Acidification” is the new term that has
been coined to describe this process. Smart-Trak® Helps Dr. Barry Create
Different Aquarium: Early in his experiments, Dr. Barry was frustrated
with the performance of the mass flow controllers that controlled gas
inputs to his aquarium tanks. Barry remembers that he would waste
precious research time recalibrating these instruments almost every day
and laboriously changing flow rates ... |
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Model BG®-3 with TDAC™ Particulate
Partial Flow Sampling System for Transient Test Cycles from Sierra Shown
at Automotive Testing Expo |
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Sierra’s
Emissions Systems Division will show their world renowned Model BG®-3
Particulate Partial Flow Sampling System at the Testing-Expo in Novi,
Michigan, October 27-29, 2009. The Model BG®-3 provides accurate,
repeatable Engine Particulate Matter (PM) emissions measurements for
transient and steady-state engine and vehicle testing. Led by the Model
BG®-3, particulate partial flow sampling of particulate emissions has
gained great acceptance and popularity due to clear advantages over CVS
systems. Designed to reduce the capital and operating costs associated
with full-flow dilution testing and accelerate development and
certification cycles, the BG®-3 is ideal for transient test cycles of
diesel, gasoline, or natural gas engines of any size to be used in both
engine and chassis test cells. It is also exceptionally suited for
steady-state test cycles as well. The BG®-3's patented Transient
Dilution Airflow Control (TDAC™) is at the heart of its sampling speed.
TDAC™ is Sierra's ultra fast flow apportionment, measurement, and
control system to execute proportional sampling ... |
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Complete solution: Energy balancing for
Krombacher with KROHNE measuring technology |
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KROHNE:
Determining consumption data for internal balancing, Flow metering hot
water, steam and compressed air, Complete measuring solutions from one
source. The Krombacher Brewery was looking for a suitable measuring
technology solution for its auxiliary and supply processes for internal
energy balancing. This is an important tool used in determining the
leading consumers throughout the entire brewing process. By positioning
the measuring points, usage and thus costs can be allocated to
individual portions or segments. There was a total of 26 measuring
points to be equipped. At each point, either warm or hot water, steam or
compressed air was to be measured. In the past, these media were
supplied without exact knowledge as to where and in what quantity they
would be required. That makes it easy to reduce costs by monitoring the
compressed air network and adapting compressor output to actual
consumption rates. With the newly installed KROHNE measuring equipment,
the Krombacher Brewery can optimally monitor and control its auxiliary
and supply processes. Usage profiles can be created for individual ... |
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Sierra’s Smart-Trak® 2 with Compod™ Wins
Industry Innovation Award |
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Sierra
Instruments, Inc is proud to announce that our Smart-Trak® 2 with
Compod™ has been honored by Flow Control Magazine with their annual
Product Innovation Award for its advances in flow measurement
technology. This marks the fourth Innovation Award in a row to Sierra by
the readers of Flow Control. Smart -Trak® 2 is the next generation of
Sierra’s flagship Model 100 line of mass flow meters (MFM) and
controllers (MFC). Building upon the unprecedented performance,
user-friendliness and flexibility end-users have come to enjoy with the
original Smart-Trak®, Smart-Trak® 2 gives users the world's most linear
sensor, smoother control valve operation, more robust electronics and
even more control over a wide range of functions. With its advanced
capabilities, the Smart-Trak 2®, coupled with Sierra’s new Compod™,
becomes a truly intelligent flow controller, greatly simplifying basic
flow control installations and permitting networking of multiple
instruments using open-source MODBUS RTU protocol. A Smart-Trak® with ... |
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Monitoring and regulating H2 and Helium |
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Bronkhorst
High-Tech B.V., specialists in low flow measurement and control,
have expanded their MASS-VIEW® series mass flow meters and regulators,
which was launched in the second halve of last year. Thanks to a great
deal of engineering effort, the instruments can now also be offered for
the use on Hydrogen and Helium. MASS-VIEW® flow meters, the digital
alternative to conventional VA meters (variable area meters) incorporate
a digital bar graph of actual gas flow, which is, thanks to the OLED
(organic light emitting diode) technology, clearly visible from all
angles, as well as indicating flow units, gas type and totalised
figures. Also available with an optional in-built needle valve for flow
control duties, it is designed to mimic the straightforward features and
vertical format of the VA meter, but with the considerable added
benefits of an electronic output signal, high measuring accuracy,
virtual independence from gas temperature and pressure variations,
freedom from parallax error and inherently safe construction, with no
fragile glass components in the flow path. The new MASS-VIEW®
instruments are suitable for flow rates from 25 mln/min (SCCM) up to 100
ln/min (SLM) Hydrogen or Helium, covered by 3 models. The flow meters
for 10 and 100 ln/min Full Scale have ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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H250 M40 – Intelligent modularity, The
new standard in variable area technology |
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Since
its foundation in 1921, KROHNE has led the field in variable area
measurement technology and is once again setting new standards with the
new H250 M40 variable area flowmeter: The device features a complete
modular design, enabling it to be individually configured for virtually
any requirement. From pure analogue use without auxiliary power to
integration into a fieldbus system, whether it's intrinsically safe or
in an explosion-proof enclosure, vertical, horizontal or even installed
in a fall pipe – H250 M40 variable area flowmeters cover the entire
spectrum of requirements in the process industry. The H250 M40
flowmeters, based on the variable area principle, are very versatile and
can be used for gases as well as conducting and non-conducting liquids.
The sturdy all-metal version ensures high resistance to pressure,
temperature and product and can withstand extreme usage and ambient
conditions. This makes them a cost-effective and reliable standard
solution for the process industry. The devices have a modular, scalable
design, right from the purely mechanical display down to the electrical
signal outputs. The H250 is available in nominal sizes DN15 - DN100 in
various materials and connection variants. Typically, variable area
flowmeters are installed upright in ... |
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Accuracy enhancement for Mass Flow Meter |
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Bronkhorst
High-Tech B.V., specialists in low flow measurement and control,
have enhanced the accuracy of their MASS-VIEW® series mass flow meters
and regulators, which were launched in the second half of last year.
Following improvements to the production process, the instruments now
have an accuracy of ± 2%RD if the flow is higher than 50% of it’s
maximum full scale and ±(1%RD + 0.5%FS) on lower flows. MASS-VIEW® flow
meters, the digital alternative to conventional VA meters (variable area
meters) incorporate a digital bar graph of actual gas flow, which is,
thanks to the OLED (organic light emitting diode) technology, clearly
visible from all angles, as well as indicating flow units, gas type and
totalised figures. Also available with an optional in-built needle valve
for flow control duties, it is designed to mimic the straightforward
features and vertical format of the VA meter, but with the considerable
added benefits of an electronic output signal, high measuring accuracy,
virtual independence from gas temperature and pressure variations,
freedom from parallax error and inherently safe construction, with no
fragile glass components ... |
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Sierra Introduces Ultrasonic Thermal
Energy Flow Meter For Liquid Energy Consumption Measurement |
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Sierra
Instruments, Inc.: MONTEREY, CA – Sierra's Innova-Sonic® Model 205
Thermal Energy Meter is a transit-time ultrasonic flow meter designed to
measure the thermal energy flow rate and totalized energy consumption in
liquid heating and cooling applications including HVAC, office
buildings, large condominium or apartment developments, solar thermal
heating and geothermal. Non-intrusive clamp-on ultrasonic sensor
technology makes for easy and economical installation. The Model 205
Thermal Energy Meter offers high accuracy (+/-0.5% of reading) enabling
custody transfer of thermal energy. Built-in totalizers and data loggers
are used to record daily, monthly and yearly totalized energy usage and
report total energy used. These functions make it easy to account for
energy usage and accurately allocate costs to end users. A built-in SD
card and a supplied data-analysis and graphing program allows for easy
storage and analysis of collected data. The Innova-Sonic Model® 205
Thermal Energy Meter includes ultrasonic transducers, remote
electronics, and two PT100 resistance temperature detectors (RTD's) ... |
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Properly filled, two new flowmeters for
filling machines |
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Two
new flowmeters for filling machines, High long-term stability proven by
PTB tests. Krohne introduces two new flowmeters for filling
machines. Both devices feature extremely high reproducibility, low
weight and a small, compact design. BATCHFLUX 5500 is a so-called
filling EMF; an electromagnetic flowmeter for the measurement and dosing
of conductive liquids such as juice, beer and milk products. BATCHFLUX
5500 is the smallest filling EMF on the market; it is also the only
device with gap-free, fused-in-place Cermet electrodes to meet maximum
hygienic requirements. The measuring tube is made of extremely durable
ceramic which features high pressure stability as well as high
temperature shock resistance and remains stable during common hot water
or steam cleanings. Extremely high long-term stability of these devices
was proved during cooperative research between KROHNE and the PTB
(National Metrology Institute) ... |
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Air velocity transmitter for 0.2 to 20
m/s |
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The
new miniature air velocity transmitters, series EE575 and EE576 of
E+E Elektronik, allow accurate measurements of flow in air and
gases. The EE575 measures velocities up to 20 m/s (4000 ft/min). The
EE576 is specifically designed for the measurement of low flows up to 2
m/s (400 ft/min). Applications for these transmitters are found in HVAC
systems, handling and controls for intake and exhaust of air and laminar
flow monitoring. Equipped with a newly developed sensor head and
utilizing the proven E+E hot-film element, already tested a million
times in the automotive industry, these transmitters are less sensitive
to dust and dirt than conventional hot-wire elements. The design with a
probe length of 150 mm (6 inch) and the integrated electronics can be
considered very compact. This allows for the use in applications where
mounting space is limited. The alignment strip along the side of the
probe and the matching mounting flange secures the positioning of the
sensor and the immersion depth of the probe ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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KROHNE presents innovative solutions for
energy measurement at INTERKAMA |
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KROHNE:
The energy market remains a growth market: Due to the increasing need
for power, there are currently more than 230 new power plants either
under construction or planned worldwide. According to estimates, more
than 800 billion Euros will be spent annually in the power plant
business until 2030. This includes not only new constructions but also
renovations of existing power plants. Measuring technology plays an
important role here: the deciding factor when it comes to the efficiency
of a power plant is the accuracy of the measurements. The more accurate
the measurements, the more efficient the power plant. That translates
into increased profit for the operator. Many countries continue to rely
on nuclear technology to safeguard their future power requirements. For
new constructions and the overhauling of existing plants, KROHNE offers
high temperature ultrasonic measuring devices, variable area flowmeter
and level meters which can be used in steam and water circuits. As the
only manufacturer of measuremnt technology in Germany, KROHNE has all of
the important approvals for the instrumentation of nuclear power plants:
KTA, RCC and the ASME N-stamp. At INTERKAMA 2009, KROHNE presented new
measurements solutions for the power generation market. The portfolio
includes flow, level and temperature measuring devices to cover the
measuring ... |
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Flow control per ultrasonic |
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With
its Type 8081 ultrasonic flow transmitter, Bürkert Fluid Control
Systems launches a completely new transmitter for monitoring or
controlling aqueous solutions. Applications include monitoring the
cooling water during robot welding, injection moulding, die casting, as
well as monitoring coolants in metal cutting applications. Thanks to the
ultrasonic technology, the 8081 is also ideal for all applications where
flow in a highly dynamic range (up to 1:500) needs to be measured with
great accuracy (2% oR + 0.01% FS) using sensors with no moving parts.
This very high dynamic range significantly restricts the types of
suitable
flow sensors. Measurement principle: The measurement principle
behind the 8081 is based on the transit time technique: two piezo-electric
sound converters (transmitter-receiver) transmit and receive the sound
waves. The sound travel times are measured in the nanosecond range. The
crucial point is that the
ultrasonic signal moves faster in the flow
direction than in the opposite direction: the difference in transit time
is directly proportional to the flow speed and can therefore be used to
determine the flow rate. An integrated patented ... |
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Sierra Introduces New Large Duct & Stack
Mass Flow Meter: Multi-Trak™ Model 670S |
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Sierra
Instruments, Inc.: MONTEREY, CA – Sierra is proud to announce the
release of its new Multi-Trak™ Model 670S Multi-Point Mass Flow Meter
System. The new Multi-Trak™ Model 670S is an advanced state-of-the-art
instrument for measuring mass flow rates in very large ducts or stacks
that have non-uniform velocity profiles, high turn-down requirements,
dirty gas streams, wide temperature ranges and fast velocity and
temperature changes. The Model 670S dynamically compensates for changes
in the flow profile by using up to four independent mass flow sensing
points to measure the instantaneous average gas mass flow velocity. The
Multi-Trak™ is commonly used in petrochemical refining, coal-fired
electric power generation, steel manufacturing and many other industrial
processes that face the challenge of accurate and repeatable gas mass
flow measurement in very large pipes or ducts. An innovative, versatile
and user-friendly microprocessor-based Human Machine Interface (HMI)
controls all functions of the Model 670S system. The HMI is used to
collect, visualize and store flow data, as well as set up the individual
sensor .. |
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Sierra Instruments’ Products Receive
Russian Federation Approval For Use In Hazardous Areas |
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Sierra
Instruments, Inc.: Sierra’s Steel-Trak™ Model 640S Thermal Mass Flow
Meters have recently received both the GOST R Certificate of Conformity
(1Exd IIC T6…T2 ) for use in hazardous areas and the Pattern Approval
Certificate for Measuring Instruments from the Russian Federation
Authorized Bodies. A GOST R Certificates states that the Steel-Trak™
Model 640S Industrial Thermal Mass Flow Meter is applicable for use in
explosive areas. The Pattern Approval Certificate for measuring
instruments (Metrology Certificate) confirms that the particular design
of a measuring instrument conforms to applicable standards and that
Sierra’s Model 640S has an approved method of factory calibration for
use in the Russian Federation. Both certificates will increase the areas
of applications where Sierra’s products can be used in the Russian
Federation. Pattern Approval Certificates for Measuring Instruments
(Metrological Certificates) are issued by Rostekhregulirovaniye after
comprehensive tests provided by authorized metrology centers. ... |
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Differential Pressure Transmitter
DPT-10 from WIKA |
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A
new, cost-effective solution for a wide range of applications
encompassing differential pressure, level and flow measurements, the
differential pressure transmitter DPT-10 has been presented by WIKA
at ACHEMA 2009. This new development, which will be available in the 4th
quarter of 2009, stands out through its simple on-site operation -
especially for users unfamiliar with it – and also through its ability
to fit optimally in a range of installation situations. The DPT-10 is
available with a case in a single or a double chamber design. The
optional display and control module can therefore be fitted on the top
or on the side, depending upon the installation conditions. A choice of
plastic, aluminium or electropolished or cast stainless steel is
available for case materials. For explosion protection there are either
“intrinsically safe” or flameproof case variants available. The DPT-10
differential pressure transmitter is available with all the usual
process instrumentation ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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OPTISWIRL 4070 C: Prize-Winning
Technology, Vortex flowmeter was awarded the grand prize at the
Magyarregula |
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The
KROHNE OPTISWIRL 4070C was awarded the grand prize at the 23rd
Magyarregula 2009 in Budapest. Norbert Verhoeven, Regional Manager
Europe North at KROHNE and Janos Pocsik, owner of KROHNE's Hungarian
partner Mérker 2007 were on hand to accept the award at the exhibition.
The Magyarregula is held annually in Budapest and showcases the latest
innovations from industry and the worlds of Information and Control
Technology over 3,500 m² of exhibition space. The jury, which was
chaired by Professor István Vajk and included Dr. György Kovács
(Director of the Computer and Automation Research Institute, Hungarian
Academy of Sciences, MTA SzTAKI) and Dr.László Kiss (Hungarian
Electrotechnical Association, MEE), awarded the prize to the OPTISWIRL
4070 C vortex flowmeter. OPTISWIRL 4070C win the prize because of its
innovative technology. It is the first 2-wire device with integrated
pressure and temperature compensation as standard. As a result, it is
essentially three devices in one: Vortex flowmeter, pressure and
temperature sensor. All measured values are recorded at the same point
in the meter so that no additional deviations occur. Both the
installation costs and the cabling required for the additional sensors
are eliminated. ... |
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Safely controlling small amounts of gas,
variable area flowmeters with SIL 2 classification |
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KROHNE:
In the chemicals industry, measuring gases is often more than simply
measuring the flow: process analysis technology is an important
instrument when indicating quality and when it comes to guaranteeing
process reliability. At the same time, it also helps in process
monitoring and optimisation. To reduce risks for humans and the
environment, certain critical processes must be fitted with safety
functions. To do so, the safety variables such as the probability of
failure and the portion of dangerous and non-dangerous errors must be
calculated for all relevant components and analysed. In the course of
the current standardisation to IEC 61508, process analytics are coming
increasingly into focus, i.e. process analysis systems including
integrated flowmeters are also taken into account when considering the
safety of critical applications. This also includes classification
according to the Safety Integrity Level (SIL) of the measuring devices
used, for example, in the supply lines of gas analysers for flow
monitoring. Specifically for the field of process analytics, KROHNE now
introduces its DK32/34/37 variable area flowmeters with suitability as
per SIL 2 for measuring liquids from 0.2 l/h and gases from 2 l/h. For
larger flow rates, the tried and true variable area classic H250 with
SIL 2 classification ... |
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Sierra Instruments Introduces New
Programmable Control Module (Compod™) For Digital Mass Flow Meters &
Controllers |
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Sierra
Instruments, a world leading manufacturer of mass flow meters and
controllers, announces its new programmable control module, the Compod™.
With its advanced capabilities, the Compod™, coupled with Sierra’s
Smart-Trak® mass flow meters (MFM’s) and controllers (MFC’s) greatly
simplifies basic flow control installations and permits networking of
multiple instruments using open-source MODBUS RTU protocol. By adding
the Compod™ module to a new or existing Smart-Trak® MFM or MFC, end
users can take complete control. Two digital outputs and one analog
input can be configured by the end user for a wide variety of process
controls including: * Gas mixing and blending, * Batch control, * Leak
Testing, * Process monitoring, * Pressure monitoring and control, * Gas
ratio control, * Internal performance monitoring, * Triggering alarms, *
Starting or stopping gas flows automatically under user-defined
conditions, * Gas flow totalization with adjustable pulse output, * And
many more…. Compod™ also monitors the functionality of the mass flow
meter or controller and includes diagnostics ... |
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The new standard in variable area
technology |
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KROHNE:
The introduction of the H250 M40 at ACHEMA 2009 met with great success.
Visitors were especially interested in the innovative construction of
the new flowmeter. It is completely modular in design: the basic version
of the H250 M40 can be used purely mechanically as a flowmeter, without
the need for a power supply. Depending on requirements, users can easily
add or exchange a wide variety of functions including limit switches,
counter modules with LC display and even electrical signal outputs.
Featuring the variable Ex concept (intrinsically safe, non-incendive ,
or in an explosion-proof enclosure), the device is in keeping with a
variety of explosion protection strategies and is designed for
installation in gas and dust explosive areas. The resulting variety of
uses is particularly valued in the chemical industry: The H250 M40 can
be versatilely used to measure gases as well as conducting and
non-conducting liquids in any installation length - even for horizontal
and fall pipes. ... |
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Sierra Introduces Next Generation Flow
Meters and Controllers |
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Sierra
Instruments introduced their Smart-Trak® 2, a significant re-design
of their flagship Series 100 Digital Mass Flow Meters and Controllers.
The result of over five years of user feedback, new features of the
Smart-Trak® 2 have added even more control, independence and
flexibility. Sierra is also proud to introduce the Compod™, a Smart-Trak®
2 add-on that expands networking, streamlines and simplifies
functionality and reduces costs. “We see this as adding a fourth point
to our three-point Global Stimulus campaign we rolled out last month,”
says Matthew J. Olin, President and CEO of Sierra Instruments.
“Providing #1 cost-cutting, #2 free engineering and #3 expedited product
delivery are crucial first steps for the hard-hit industries we serve.
Now it’s time to bring them #4 innovative new Sierra products that will
help expand their capabilities without increasing costs.” Expanded
Functionality of Smart-Trak® 2 Includes ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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SCHMIDT® Flow-Sensor SS 20.500 for dusty environments |
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SCHMIDT
Technology presents for the first time the new flow sensor SS 20.500
for application in chemical processes on the international exhibition
ACHEMA in Frankfurt. The measurement of flow velocity in dusty
environments results in particular sensor requirements. Dirt tolerant
design and easy cleaning are of high importance to guarantee measuring
accuracy and reproducibility. Unwanted accumulation of dust and
contamination on the sensor tip can be avoided by an optimized
aerodynamic flow. Therefore, the sensor dumb-bell tip was developed and
the patented system has been proved in many applications. Due to its
extreme wide flow angle of 360° axial and 90° radial direction, the
sensor is easy to position in the air flow and the wide measuring range
of 0.06 up to 35 m/s offers many applications like flow measuring in
dust exhaustions, control of supply and exhaust air or drying processes.
In order to meet the requirements of explosion protection for gas and
dust, the sensor can be delivered in an ATEX version on demand. SCHMIDT
Technology offers this sensor at a very low price of more less than one
thousand Euro. As an option, the sensor tip can be protected by a
special coating and makes the sensor resistant against salt acid,
acetone or sulphuric acid. ... |
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A quantum leap in flow computer: Summit
8800 |
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Until
now, all flow computers were in a common category in terms of
performance, handling, and interoperability. This has changed
dramatically thanks to the new KROHNE Summit 8800 Digital Flow
Computer with graphic display. Building on a history of flow computers
that goes back to 1983, KROHNE Oil & Gas has now introduced a truly new
generation. The improvements can be seen in 5 major areas: Performance,
Handling, Communications, Versatility and Security. Performance: To
improve the performance, KROHNE used modern processors with a fast ¼
second processing cycle. Not just one shared processor, but one
dedicated processor per I/O board. We based the internal operations on
the time-tried Application Builder Software. There is a removable 2 GB
card to store data, with enough capacity for several years. ... |
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The LiquidFLOW Controller from Bürkert |
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Bürkert
GmbH & Co. KG: The intelligent combination of high-performance
flow-rate measurements and a highly precise proportional valve turns
Bürkert’s LiquidFLOW Controller into a perfect solution for a large
number of industrial applications. The integration of sensor, control
electronics and proportional valves into a single compact device make
the LiquidFLOW Controller ideally suited for applications requiring the
fully-automatic metered dosing of small amounts of liquids. Compatible,
Compact and Cost-efficient: The LiquidFLOW Controller (LFC) is fully
compatible with Bürkert’s range of Mass Flow Controllers (MFC). It
complements the company’s portfolio of compact fluid control de-vices
for the measurement and dosage of liquids with a nominal flow rate of 10
– 600 ml per minute (0.6 to 36 l/h) and a span of 1:10. The LFC is based
on the successfully proven and tested software, hardware and mechanics
of the MFC series. Thanks to its compact design, the controller can be
installed in difficult locations, such as directly behind angled piping.
The integration of sensor, control electronics and actuator ... |
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Sierra Instruments’ Model 640S Now
Available for High Temperature Applications to 750°F (400°C) |
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Sierra
Instruments, Inc.: Sierra’s industry-leading Steel-Trak™ Model 640S
Immersible Thermal Mass Flow Meter is now available in a
high-temperature design capable of trouble-free operation in process
temperatures up to 750°F (400°C). Popular in heavy industry, the Steel-Trak™
Model 640S is designed for the most demanding industrial flow
measurement applications. Constructed of heavy-duty 316 stainless steel
wetted materials, the high-temperature version of the Model 640S
includes remote-mounted electronics and mineral-insulated cabling
resistant to very high temperatures. The meter is already in use in such
critical applications as electrical power generation, stack gas
measurement, petrochemical refining and steel-making. One such
application is in coal-fired power plants, where combustion air is
pre-heated to temperatures approaching 500°F (260°C) prior to it being
mixed with the pulverized coal and burned in the boiler to produce steam
for electricity. It is critical that the mass flow rate of preheated air
be measured very accurately in order to obtain efficient combustion. The
high-temperature Model 640S meets this challenge with high accuracy,
easy installation, and low maintenance in a rugged, explosion-proof
package. Featuring direct gas mass flow measurement ... |
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Sierra Instruments Receives CRN Approval
for Its Mass Flow Meters and Controllers |
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Sierra Instruments is pleased to announce that all of its
Scientific & Industrial Thermal Mass products now have CRN (Canadian
Registration Number) approval. The successful qualification of Sierra’s
products means that our mass flow meters and controllers meet the strict
quality standards for design and manufacturing outlined in the Canadian
Standard CSA B51. Our products, per the certification, comply with the
requirements of CSA B51 which specifies the dimensions, materials of
construction, pressure/temperature ratings, and identification marking
of the fittings. ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
|
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OPTISONIC 6300
clamp-on ultrasonic flowmeter also featured in stainless
steel |
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After
the successful introduction of the OPTISONIC 6300 clamp-on ultrasonic
flowmeter, KROHNE now releases a new feature for this instrument.
The OPTISONIC 6300 ultrasonic flowmeter is now also available with a
stainless steel sensor to meet harsh environmental conditions (i.e.
corrosive environments). This complements the previously introduced
general purpose aluminium version. KROHNE’s OPTISONIC 6300 is a clamp-on
ultrasonic flowmeter, which can be installed very quickly without
dedicated training or special tools. Flow measurement can be done
anywhere and start-up is immediate. With its robust industrial
construction and regreasing concept the meter provides a revolutionary
solution for easy handling. The OPTISONIC 6300 has a high-quality,
robust clamping mechanism suited for industry demands. The instrument
monitors fluid anywhere where there is no need for high accuray,
regardless of pipe size or material. Moreover there is no need for
process shut down and it reduces ... |
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Systems for the measurement of
compressed air |
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SONOTEC:
Saving energy is an important issue for all types of industry operating
with compressed air. The new probes of the SONOAIR series, belonging to
our high-precision measurement devices, are equipped with a lot of new
details. These probes are able to detect the consumption of compressed
air and non-combustible gases as well as leakage losses. There exist
three different device series: Inline probes for pipe diameters of 15 –
50 mm, insertion probes for pipes with a diameter between 50 and 1000 mm
and combined devices. The latter do not only detect the flow rate but
also the temperature and the pressure within the pipe. For on-site
interpretations there exist integrated displays or interfaces for using
a PC or a Laptop. Alternatively, the measured data can also be stored on
a data logger or a memory card. The systems can be installed easily.
They show a high measuring accuracy. The additional software allows
external data interpretations as well as detailed process controls. ... |
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Mass flowmeter especially for the
chemical industry |
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KROHNE:
In Switzerland, an OPTIMASS 7300 C Tantalum meter doses a highly
aggressive liquid into a column in which a vitamin is manufactured. The
meter measures the mass flow of Toco Toluol in a range of 0 – 7000 kg/h
at a pressure of 1.8 bar. Toco Toluol is an aggressive, acidic solvent.
The liquid has a density of 0.881 kg/l and a temperature of 78 degrees
Celsius. The operator chose the Tantalum version because a mass
flowmeter with extremely high chemical resistance was the only option
considered for this application. A Tantalum meter from a different
manufacturer had been used previously. However, due to problems with
deposits in the device, the customer was looking for a replacement. He
opted for the KROHNE OPTIMASS 7300 C Tantalum because it offers one
crucial advantage: the OPTIMASS features one single, straight measuring
tube, eliminating the need for a flow splitter. Thanks to the straight
tube, the customer was able to select a significantly smaller diameter (DN
25 instead of the DN 50 used previously), thus achieving an increased
flow rate. This prevents the product from being deposited on the inner
wall of the measuring tube. For a long time, there was no suitable
measuring tube material available in the field of Coriolis meters for
measuring highly aggressive or corrosive media. It has only been since
Tantalum has been widely available that a few manufacturers have started
manufacturing Coriolis meters for these applications. However, due to
the twin U-tube format, the products were extremely costly, as in
addition to the measuring tubes both the flange and the flow splitters
were made of Tantalum. Thanks to many years of experience in the
development of Coriolis straight tube meters. ... |
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SCHMIDT® Flow-sensor SS 20.260 for
process technology |
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For
the employment in process technology the latest SCHMIDT® flow
sensor SS 20.260 offers three crucial upgrades compared to his
forerunner. With an expanded measuring range of 0 … 50 m/s the sensor
can be applied for flow rate control in a wide range of systems. Many
processes require the measurement of heated gases and therefore an
enhanced operating temperature. Depending on the configuration of the SS
20.260 it is up to 120 °C. The temperature can be measured with an
additional linear output and no separate sensor is required any more.
The unit is robust due to a chamber in which the sensing element is
protected against impacts. The stainless steel sensor tube is available
in different length and thus can be placed at the correct position
regardless of the size of the duct. Two LED’s indicate the correct
operation or inform about wrong supply voltage or sensor defects.
Applications: Flow measuring in air ducts, volume flow measuring in test
benches, control of combustion air of oil, wood, gas or coal burners,
flow control in cooling or drying constructions. Main technical data:
Immersion sensor with integrated transducer. Use of sensor: Free air and
guided air in ducts from ... |
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Error limits of variable area flowmeters:
KROHNE applies new VDI/VDE 3513 guideline |
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KROHNE:
After 30 years of validity, the definition regarding the accuracy of
variable area flowmeters in the VDI/VDE 3513-2 guideline was revised in
the August 2008 edition. Instead of the accuracy classes, requiring a
formula to calculate the permissible deviation for each measuring point,
all that is now required is the simplified indication of the error limit
which states the maximum permissible percent of deviation from the
current measured value. For example, if the error limit is stated as 1%,
that refers to a constant, permissible measuring error of one percent of
the current measured value. It is only for the beginning of the
measuring range that additional error influences, depending on the
design, will be taken into special consideration. This translates into
considerable change for the manufacturers applying this guideline: From
determining and verifying the new error limits to amending
documentation, calibration protocols and procedure instructions right
down to user information. In the end, however, the simplified definition
meets one of NAMUR's demands as a lobbyist for measurement and
automation technology ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Sierra's Smart-Trak® Model 100 Series
Chosen as Part of Key Test Equipment in Measuring CO2 Absorption in
Antarctica |
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Sierra
Instruments, Inc.: With just days left before Stanford researcher
David Mucciarone would leave on his annual pilgrimage to Antarctica, the
mass flow controller in his carbon analyzer failed. His instrumentation
supplier recommended that he make the transition to Sierra. On a wing
and a prayer, he purchased a Sierra Smart-Trak® Model 100 digital mass
flow controller just prior to boarding ship. He installed it on the trip
down to Antarctica, and it worked, perfectly. But fierce trials lay
ahead as the icebreaker he was travelling on plunged through miles of
thick ice before delivering him to one of the most severe environments
on Planet Earth. Despite the challenges, the Smart-Trak® has never
faltered. “We’re very happy and that’s the bottom line,” says Mucciarone.
No greater challenge faces our planet right now than determining
conclusively how we are impacting the environment and what can be done
to arrest and reverse global warming. To deepen our understanding,
Stanford researcher David Mucciarone spends two months in the Antarctic
every year measuring the breakdown of inorganic carbon in both sea and
ice to learn how much carbon dioxide the ocean can effectively digest.
Based on his success with the carbon analyzer, he plans to employ
additional analyzers on ocean reef and other ecosystems around the
world—each containing a Sierra Smart-Trak® mass flow controller. The
Smart-Trak® digital mass flow controller ... |
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The new OPTISONIC V6: High-accuracy gas
measurement for non-custody transfer |
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With
the new OPTISONIC V6, KROHNE has launched the next generation of
ultrasonic gas flowmeters for non-custody transfer applications. OPTISONIC V6 sets new standards in accuracy and cost-effectiveness. This
novel flowmeter has been specially developed for applications in the
production of natural gas and for gas suppliers’ city gates and transfer
stations. Its rugged construction makes it ideally suitable for use in
extreme environments, such as offshore platforms. Beneath its strong
housing is a sensitive and highly accurate technology: OPTISONIC V6 has
6 measuring chords, two of which are solely dedicated to diagnostic
functions. Once commissioned, it continuously checks the operating
state. The positioning of the chords in two horizontal parallel planes
compensates for swirl and thus provides reliable measurements even with
turbulent flow profiles. For the first time ever in a gas flowmeter for
non-custody transfer applications, KROHNE has separated the information
on the flow from the information on the diagnostics. This data is
transmitted directly to the user via two separate signal outputs.
Continuous monitoring of the diagnosis data via a web server is being
developed which will permit ... |
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Virtual Reference: reduced costs and
increased safety for chemical processes |
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Many
chemical processes concern highly aggressive media. KROHNE’s
range of electromagnetic flowmeters OPTIFLUX with a high chemical
resistance, is ideally suited to measure aggressive, toxic and abrasive
fluids. Up to now for these applications grounding rings or grounding
electrodes made of exotic thus expensive materials, such as tantalum,
nickel or titanium had to be used. This involves considerable
investments. The possibility to omit grounding rings or –electrodes is
the most economical solution. KROHNE now offers an alternative to
classical grounding: virtual reference. The innovative and patented
concept does not require the installation of grounding rings or
grounding electrodes. The technology company Andritz, headquarted in
Austria, uses KROHNE’s IFC 300 signal converter with the Virtual
Reference option and OPTIFLUX 4000 flow sensors with diameters from DN
10 up to DN 300. The devices are used in lines in which acids are
treated, like for example with high grade steel corrosives. Hydrofluoric
acid, nitric acid and water are blended just before the flowmeter The
acids are measured at an operating temperature of 90 Degrees Celsius,
under a pressure of 3 bar and at a flow velocity ... |
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New Heavy Industrial Mass Flow Controller
with ANSI or DIN Flanges Now Available from Sierra Instruments |
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Sierra
Instruments is proud to announce its award winning Max-Trak® Model
180 Industrial Mass Flow Meters and Controllers are now available with
316 stainless steel (ANSI or DIN) flange mounting for gas flow rates up
to 1000 slpm (pipe sizes up to 1 inch / 25mm). The new Max-Trak® Model
180 + Flanges' significant design enhancement expands the processes and
applications where the Max-Trak® can be installed. Sierra’s Dial-A-Gas®
technology makes Max-Trak® the industry’s only multi-gas capable
Industrial Mass Flow Controller. The Max-Trak® Model 180 + Flanges has
excellent accuracy (+/-1% of FS) and repeatability (+/-0.2% of FS)
coupled with unsurpassed instrument stability resulting from a patented,
inherently-linear design, advanced platinum sensor technology, and a
valve that is strong, flexible and forgiving. Max-Trak® can communicate
to a user workstation via RS-232, RS-485 or one of 4 analog signals.
Max-Trak® is the Industry’s only NEMA 6/IP67 rated mass flow controller
conforming to rigorous water-resistant requirements. Rugged and
reliable, the Max-Trak® is well-suited to handle to most demanding
challenges commonly found in heavy industrial applications such as those
found in metals and ceramics manufacturing, combustion control systems,
chemical processing, pharmaceutical/biotech, and food and beverage. ... |
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Sierra Introduces Improvements to Its
Innova-Sonic® Line of Transit-Time Ultrasonic Flow Meter |
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Sierra
Instruments continues its strong tradition of innovation with the
release of its improved Innova-Sonic® Ultrasonic Flowmeter product line.
Sierra’s Innova-Sonic® flow meters are universal transit-time
instruments incorporating the latest advances in digital signal
processing. The Innova-Sonic™ Portable features an industry-unique
Bluetooth® wireless PDA interface for a truly flexible and convenient
flow measurement tool. Innova-Sonic® is also available with fixed
display readout in your choice of either clamp-on or insertion
transducers. While principally designed for clean liquid applications,
Innova-Sonic® is tolerant of liquids with small amounts of air bubbles
or suspended solids common in most industrial environments. All Innova-Sonic®
flow meters offer low power consumption, high reliability and
outstanding applicability at an economical cost. An easy to read display
and clear, user-friendly menu selections make using the instrument
simple and convenient. The instrument can be configured via keypad
without any additional programming devices and is packaged in a die cast
NEMA 4X (IP65) housing. ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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Veolia Water Solutions & Technologies
relies on KROHNE |
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Veolia Water Solutions & Technologies has chosen KROHNE as one of
its international suppliers of measurement equipment and related
services. The framework agreement was signed on Tuesday, Nov 4 at KROHNE
headquarters in Duisburg. KROHNE will be one of the suppliers providing
flow measurement devices and services for water and wastewater projects
and applications. Veolia Water Solutions & Technologies is the worlds’
leader in water treatment, providing turnkey installations and
technological solutions for local authorities and industries worldwide.
The French based company employs 7,741 people and has 120 subsidiaries
in over 55 countries. As its new business partner, KROHNE will provide
instruments for volumetric and mass flow measurement, along with
additional calibration and maintenance services. This will not be the
first time that KROHNE and Veolia Water Solutions & Technologies have
joined forces: In the past, both companies have completed several joint
projects, including the instrumentation of a desalination plant in
Australia. ... |
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Sierra Instruments Releases New Innova-Sonic®
In-Line Ultrasonic Flow Meter with Order-of-Magnitude Improvement to
Transit-Time Measurement Technology |
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Sierra
Instruments, Inc.: Sierra’s new Innova-Sonic® In-Line is targeted to
customers as an alternative choice for typical liquid Mag-Meter
applications where high performance and affordable pricing are
important. The +/- 0.5% of reading accuracy is as good as any typical
magnetic flowmeter, but the ability to measure down to zero flow and
virtually any clean liquid regardless of conductivity sets Sierra’s
Innova-Sonic® In-Line apart. Literally an order-of-magnitude improvement
in transit-time ultrasonic flow measurement, Sierra’s PicoFly™
technology is an industry first. PicoFly™ allows ultrasonic transit
time-of-flight to be measured in picoseconds 10 -12 (one trillionth of a
second) rather than the typical nanoseconds 10 -9 (one billionth of a
second). The result is excellent resolution that enables extreme low
flow detection. With distinctive features such as high precision, high
reliability, high capability and low cost, Innova-Sonic® offers low
power consumption, digital signal processing with advanced noise
filtering capability and outstanding applicability. Our Innova-Sonic®
In-line features ... |
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Model BG®-3 with TDAC™
Particulate Partial Flow Sampling System for Transient Test Cycles from
Sierra Shown at Automotive Testing Expo |
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Sierra’s
Emissions Systems Division showed their world renowned Model
BG®-3 Particulate Partial Flow Sampling System at the
Testing-Expo in Novi, Michigan, October 22-24, 2008. The Model
BG®-3 provides accurate, repeatable Engine Particulate Matter
(PM) emissions measurements for transient and steady-state
engine and vehicle testing. Led by the Model BG®-3, particulate
partial flow sampling of particulate emissions has gained great
acceptance and popularity due to clear advantages over CVS
systems. Designed to reduce the capital and operating costs
associated with full-flow dilution testing and accelerate
development and certification cycles, the BG®-3 is ideal for
transient test cycles of diesel, gasoline, or natural gas
engines of any size to be used in both engine and chassis test
cells. It is also exceptionally suited for steady-state test
cycles as well. The BG®-3's patented Transient Dilution Airflow
Control (TDAC™) is at the heart of its sampling speed. TDAC™ is
Sierra's ultra fast flow apportionment, measurement, and control
system to execute proportional sampling effectively. Using TDAC™,
the BG®-3 accomplishes transient proportional sampling to
accurately compensate for large variations of change in engine
speed, load, airflow, and fuel values over ... |
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Sierra Introduces Engine Air Intake Mass
Flow Meter for Engine Testing Applications at Automotive Testing Expo
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Sierra
Instruments’ Emissions Systems Division showed their Air-Trak™ Model
628S Air Intake Mass Flow Meter at the Automotive Testing Expo in Novi,
Michigan on October 22-24, 2008. The Air-Trak™ Model 628S, originally
designed to work specifically with Sierra’s Model BG®-3 Partial Flow
Sampling System as an extremely fast, accurate, and repeatable engine
air intake mass flow meter, is now offered as an excellent solution
across the board in all engine testing applications. Air-Trak™ is
specifically designed to measure engine air intake mass flow rate. The
meter uses Fast-Flo Sensor Technology® for an extremely fast, 200
millisecond response-time making it ideal for the toughest transient
test cycles. Integral Dual-Plate laminar flow conditioning elements and
a wide 15:1 turndown make Air-Trak™ a flexible solution for the
constrained piping environments commonly found in today’s engine test
cells. In addition, the versatile microprocessor-based instrument
integrates the functions of flow-range adjustment, meter validation and
diagnostics encased in a probe-mounted NEMA 4X (IP65) housing. Mass flow
rate ... |
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Sierra Instruments Introduces New Primary
Standard Gas Flow Calibrator For High Flows Up To 500 Slpm |
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Sierra
Instruments announces the release of its new Cal=Trak™ XL Primary
Standard Gas Flow Calibrator for high flows up to 500 slpm. Ideal for
calibration of gas measuring instruments including mass flow meters and
controllers, Cal=Trak™ XL offers class-leading accuracy of +/- 0.25% of
reading. The dimensionally-based primary accuracy of the Cal=Trak™ XL is
superior to pressure-based secondary methods and is backed by a rigorous
uncertainty analysis. Like all members of Sierra’s Cal=Trak™ Series, the
Cal=Trak™ XL is a primary standard piston prover that operates with the
press of a button--assuring end-users the ultimate in calibration
accuracy, convenience, ease-of-use and productivity. At 33”H x 24.6”W x
12”D, Cal=Trak™ XL fits on any laboratory bench replacing large bell
provers with one simple, integrated package. It can be used in the
manufacture, inspection, validation and recalibration of mass flow
controllers, flow meters and many other varieties of flow equipment with
flow rates too high for common primary standard devices. In either
manual or automatic operation, Sierra’s Cal=Trak™ XL measures, displays
and outputs the flow of gas, either in mass or volumetric units. ... |
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Find
all manufacturers and suppliers of
flow sensors
flow meters, flowmeters |
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A corrosion resistant Coriolis Mass
Flowmeter |
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Krohne
has launched a new Tantalum version of its OPTIMASS 7300 Coriolis mass
flowmeter, to handle the highly aggressive and corrosive fluids found in
the chemical industry. The past decade has seen Coriolis flowmeter
technology become the accepted standard in many chemical industries.
However, one area where the technology was challenged was the
measurement of highly aggressive and corrosive fluids. This was due to
the commercial availability of a suitable measuring tube material to
handle these chemicals. Generally, the wall thickness of Coriolis
measuring tubes are significantly less than the associated process
piping, which will tolerate a higher rate of corrosion before failing.
This is an area where wetted material selection for a Coriolis meter is
critical. Tantalum has been used by some Coriolis manufacturers in the
past, but the twin bent tube designs made these expensive. This was due
to the flange, flow splitter as well as the measuring tubes all being
made from Tantalum. ... |
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Republic of Singapore Navy Saves Money
With New Ultrasonic Flow Meter From Sierra Instruments |
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Sierra
Instruments, Inc.: When a ship of the Republic of Singapore Navy (RSN)
deployed overseas recently, it did so with a Sierra Innova-Sonic® Model
206 In-Line Ultrasonic Flow Meter installed as a critical element of its
refueling system. In these days of soaring fuel costs, getting what you
pay for is crucial. Since the RSN deploys frequently to all parts of the
world, the navy wanted to be assured that the quantity of the expensive
fuel they are being billed for is in fact what is piped aboard. Before
choosing the Sierra Model 206 In-Line Ultrasonic, an exhaustive search
was undertaken to identify the best meter to “double check” the fuel
amounts received. Impressed with their high accuracy, the RSN first
looked at coriolis meters but found the 2-3” sizes required
prohibitively expensive. They then looked at positive displacement
meters and, while more economical, the navy was concerned about
potential fouling problems plugging up the sensor ports since marine
bunkering fuel can sometimes be very dirty. Electromagnetic flow meters
can get around this problem, but they do not work on fuel oil because it
is non-conductive. The RSN chose Sierra's Innova-Sonic® In-Line
state-of- the-art Digital Correlation Transit-Time Ultrasonic flow meter ... |
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The intelligent alternative for VA
Flowmeters |
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Bronkhorst
High-Tech B.V., specialists in low flow measurement and control,
have designed a new series of mass flow meters, offering a modern,
economical, digital alternative to conventional VA meters (variable area
meters) also known as purge meters. The new MASSVIEW ® flow meter series
incorporates a digital bar graph of actual gas flow, which is, thanks to
the OLED (organic light emitting diode) technology, clearly visible from
all angles, as well as indicating flow units, gas type and totalised
figures. Also available with an optional in-built needle valve for flow
control duties, it is designed to mimic the straightforward features and
vertical format of the VA meter, but with the considerable added
benefits of an electronic output signal, high measuring accuracy,
virtual independence from gas temperature and pressure variations,
freedom from parallax error and inherently safe construction, with no
fragile glass components in the flow path. MASS-VIEW® operates on the
principle of direct thermal mass flow measurement and is virtually
independent from gas temperature and pressure. It offers best accuracy
of ±1% FS plus ±1% RD, with flow ratings from 0.01 to 200 ln/min (SLM),
and handles pressures up to 10 bar (g) / 150 psi (g). One can easily
select a pre-installed gas (Air, N2, O2, Ar, CO2, CH4 and C3H8) which
eliminates the need to recalibrate for different gases. Power
consumption is low and mechanical process connections are fitted for
straightforward VA meter replacement. ... |
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KROHNE ultrasonic measuring device
receives biofuel award |
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The
KROHNE UFM 3030 won the prize for "Most advanced flow technology
for measuring biofuels" at the ISA ExpoControl 2008 international trade
fair. Alternative fuels was one of the most discussed topics at this
year's fair in Mexico. Jonathan Fiedler, one of the KROHNE product
specialists, gave a well-attended presentation on the topic of
"Measuring alternative fuels". Mexico is planning to increase the
portion of domestically produced bioethanol when manufacturing
automobile gas, thus promoting its own oil industry in the long term.
The UFM 3030 is a universal 3-beam in-line ultrasonic flowmeter for
liquids. It features three measuring paths which guarantee reliable
measurement, regardless of the flow profile. The advantage of ultrasonic
flowmeters like the UFM 3030 is that they have no moving parts or
fixtures in the sensor, making them extremely low-wearing and virtually
maintenance-free. These characteristics were crucial when it came to the
KROHNE UFM 3030's award as the most innovative measuring solution. ... |
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Large order for KROHNE variable area
flowmeters from Kuwait |
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KROHNE
has received the order to equip 14 oil and gas collection centers
belonging to the Kuwait Oil Company with a total of 432 H250 variable
area flowmeters. The devices will be used for dosing and monitoring the
flow of anti-corrosion fluids in the system. "The decisive factor for
the operating company was the flexibility shown when it came to meeting
customer requirements", said Dirk Landmann, who is managing the project
as the Regional Sales Manager Middle East at KROHNE. For example, the
device software for the digital converter was adapted to
customer-specific wishes. Specially produced floats are used for the
sometimes high viscosities and low flow volumes. Additional requirements
ranged from pressure-resistant enclosed electronic housings permitted
for use in hazardous areas to quality statements through calibration
protocols, pressure tests and material certificates. KROHNE H250
variable area flowmeters are a standard solution in the process industry
due to their robust build and precision. They reliably measure the flow
of gases or liquids using simple means. With over 100,000 devices
produced every year, KROHNE is the world leader in the field of variable
area flow measurement ... |
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flow sensors
flow meters, flowmeters |
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