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Applications,
measured properties:
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Sensors & measuring systems for pressure, flow
and level
(e.g.:
pressure sensors, pressure transmitters, pressure transducers,
pressure measurement, absolute pressure sensors, differential pressure sensors, flow sensors,
gas flow sensors, gas pressure sensors, level sensors, liquid level sensors, mass flow sensors, microflow sensors, etc...)
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Kavlico Pressure Sensors are Ideal for
Next Generation Modulated Furnaces |
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 Moorpark,
CA – Kavlico, a global business unit of Custom Sensors &
Technologies (CST), has developed two new, high accuracy, low-pressure
sensors for pressure measurement applications in next generation
modulated furnaces. The model P992 is ideally suited to measure airflow,
while the P356 measures propane or natural gas flow. The rapid
escalation of energy costs over the past several years has “fueled” a
new urgency to improve the efficiency of residential and commercial
heating systems. Kavlico’s high precision pressure sensors provide
furnace controls suppliers with a device that assists with combustion
optimization parameters making the furnace efficiency jump from 65% to
95%. P992 Low Pressure Differential Sensor: - Pressure Ranges: 0 – 2 to
0 – 10” H20 - Output: 0.25 to 4.5 Vdc linear amplified output
proportional to pressure - Ceramic MEMS sense element ... |
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Fully Compensated Mini Pressure
Transmitter |
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 KELLER
AG, the pressure measurement technology specialist, has now
introduced miniaturized absolute pressure transmitters (Pisello type,
series 20 P), featuring optimized temperature compensation and measuring
ranges from 10 bar to 600 bar. Keller developed the ingenious PromComp
principle as many as 20 years ago, and it can now be exploited to full
advantage thanks to the general miniaturization of electronics. A
circuit no larger than a cent coin compensates the Pisello pressure
transmitter perfectly against fluctuations in operating temperature. A
temperature sensor in the PromComp divides the temperature range into
fields with a width of 1.5 Kelvin each. Two values are assigned to each
field in an EEPROM: one value for the zero point and another for the
amplification, determined by mathematical interpolation in the
calibration process. During operation, the corresponding values are
‚switched in‘ at the relevant temperatures. Temperature fluctuations of ... |
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FUTEK Introduces Intrinsically Safe
Pressure Sensor |
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 FUTEK
Advanced Sensor Technology, Inc. is pleased to present the
intrinsically safe PMP500 Pressure Sensor. Multiple intrinsically safe
approvals include FM, ATEX, CE conformity and CSA to help support
international shipments of OEM equipment designed with these
transmitters. These four approvals also provide global recognition and
acceptance of the intrinsically safe ratings. The stainless steel,
rugged construction features an all welded measuring cell making the
transmitter improved for media compatibility. The compact design also
makes the PMP500 suitable for industrial applications including,
chemical, petrochemical, oil and gas refining, food industry, and
mechanical engineering functions. The PMP500 pressure sensor can
specifically be used in pressure measurement applications where
intrinsically safe ratings are required. The PMP500 features an
all-welded stainless steel measuring cell for improved media
compatibility. There are no internal soft sealing materials that may
react with the media or deteriorate over time. The compact case is also
made of stainless steel and is available with environmental protection
rating up to NEMA 6P / IP 68. ... |
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Attack on the electricity bill, The new
WIKA sensor for refrigeration and air-conditioning can help to take a
big bite out of the energy bill |
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 Due
to the rapid increase in energy costs, the energy-efficient operation of
refrigeration systems becomes a must. In the future, unregulated plants
will no longer be acceptable. WIKA is now presenting its R-1 as
the latest generation of pressure transmitters in thin-film technology
at an attractive price! WIKA's tested and proven thin-film technology
has been adapted optimally to refrigeration and air-conditioning
requirements. A sturdy and reliable pressure transmitter that allows
accurate pressure control of the refrigeration system is now available
on the market, thus providing new opportunities for drastic savings. The
extremely high long-term leak tightness of the R-1 has been achieved
through a hermetically sealed weld of the thin-film sensor. On the
process side, the monolithic structure of the sensor makes any seals
unnecessary, which otherwise could result in leaks. Nor will any complex
testing of material compatibility be any longer required. The pressure
transmitters ... |
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FUTEK offers Pressure Sensor with USB
Output |
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 FUTEK
Advanced Sensor Technology, Inc is now offering its PFP350 Pressure
Sensor with an USB output option. FUTEK Engineering Labs has been
working on the USB technology since the 2nd quarter of 2008 as the
demand for USB Output has increased. Utilizing metal foil strain gage
technology, the PFP350 is made from 17-4 Stainless Steel, weighs 5.5 oz,
has mV/V output as a standard and ranges from 300 – 10,000 psig. This
PFP350 is designed and manufactured in USA. Product Highlights: - Metal
foil strain gauge technology - 17-4 Stainless Steel Construction -
Weight: 5.5 oz - Unamplified out mV range - Capacities from 300 – 10,000
psig. FUTEK also offers its Semi Flush Mount (PFS) and OEM (PMP) series
as additional solutions in the Pressure Sensor line. In addition to our
Pressure Sensors, FUTEK carries over 400 products covering various Load
Cells, Torque Sensors, Force Sensors and related Instruments. ... |
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CoMo Injection Monitoring System – New
Features for up to 24 Channels |
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 Monitoring
of cavity pressure is the most effective tool for injection molding
process analysis and quality assurance. The new generation of the CoMo
Injection Type 2869B… process monitoring system with Version 2.0
software is extremely user friendly. Kistler has further
optimized the interface and tuned the system even more finely for
injection molding requirements. In addition to the interface the
functionality of the system has been significantly enhanced. The results
include optimized real-time functionality for cascade control: the
"opening" and "closing" or the needles can now be activated by means of
a pressure signal or timed on an absolute or differential basis. In
conjunction with the optional 12,1" TFT color touch screen display this
now provides an ideal process control monitoring system with integral
multichannel cabling technology for Kistler pressure and temperature
sensors. ... |
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Kavlico Develops Urea-Dosing Sensor for
Heavy Duty Truck Applications |
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 Kavlico,
a global business unit of Custom Sensors & Technologies (CST) and an
operation of Schneider Electric, is pleased to announce the development
of their new sensor for urea-air dosing utilizing (AUS32) Aqueous Urea
Solution 32.5% or AdBlue™ in Selective Catalytic Reduction (SCR)
after-treatment systems with diesel engines. This (AUS32) solution is
high purity urea in de-mineralized water that is clear, non-toxic, and
safe to handle. Kavlico’s urea-dosing sensor generates an output used to
provide feedback to the SCR system to assist in optimizing the reduction
of NOx emissions by monitoring the SCR system and helping to determine
the appropriate amount of AdBlue reducing agent to be delivered to the
catalytic converter module. AdBlue is carried on-board SCR-equipped
trucks and buses in specially designed tanks and it is dosed into the
SCR system at a rate equivalent to 3-5% of diesel consumption. The low
dosing rate ensures long refill periods and minimizes the tank’s impact
on chassis space. Currently used throughout Europe, Japan, Australia,
Hong Kong, Taiwan, Korea, New Zealand, and Singapore in on-highway SCR
systems, urea dosing will become prevalent in North America due to
legislative limits placed upon NOx emissions. Kavlico’s urea-dosing
pressure sensor ... |
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Low Cost OEM Pressure Sensors Ideal for a
Wide Variety of Industrial Applications |
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 Moorpark,
CA – Kavlico, a global business unit of Custom Sensors &
Technologies (CST) and an operation of Schneider Electric, has
recently introduced the Models P4055/P4056 OEM Pressure Sensors. These
devices have a piezo-resistive sense element and the P4050 is available
in pressure ranges of 0-3 through 0-300 psi gage, sealed gage, and
absolute while the P4056 is available in measurement ranges of 0 - 200
mBar through 20 Bar. The rugged, brass sensors are compatible with many
types of liquid and gaseous media. Small in size (40 grams max.), the
P4055/P4056 have a built-in Metri-Pack 150 electrical connector.
Operating on 5 Vdc, the sensors provide a 0.5 to 4.5 Vdc output
proportional to pressure. Pressure port options include NPT, G 1/4, M10,
and M12. The temperature compensated sensors exhibit exception EMI/RFI
performance and can tolerate high vibration environments. The sensors
have a total error band is ... |
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Customised Industrial Pressure
Transmitters |
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 Keller
AG, the pressure measurement specialists, can meet spontaneous
requests from customers with expertise, thanks to its ultramodern
production, compensation and calibration processes. The Series 21 G is
the latest fruit of more than 30 years’ experience in pressure
measurement. The pressure port and all parts in contact with the media
are made of stainless steel, Keller use an ingenious heat treatment
process to ensure maximum stability. Series 21 G is an excellent example
of our OEM products. The structure is highly modular, and the production
concept is based on quantities of several thousand units. The user
defines the key features as appropriate to the specific measuring task:
pressure connection, measuring range, temperature compensation, output
signal format, etc. Even in the widest temperature range from -40 °C to
+135 °C, the typical error band remains within 2,0 %FS (Full Scale). ... |
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Compact precision pressure measuring
instrument with touchscreen and Ethernet interface |
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 With
the new CPG2500 precision pressure measuring instrument from the WIKA
Calibration Line, users can now have a high-end table-top instrument
that is both compact and high-accuracy. The model is available as a one-
or two-channel variant with a DKD-certified accuracy of 0.01%. The
CPG2500, which WIKA offers under the label of their renowned US daughter
Mensor, covers measuring ranges from 0 ... 25 mbar up to 0 ... 700 bar.
Thanks to its handy dimensions and diverse functions, such as min./max.
memory, pressure rate, tare and differential pressure measurement via
two sensors, this powerful and yet reasonably priced digital instrument
can be used in a wide variety of applications. For connection to IT
systems, three other interfaces in addition to Ethernet are available:
RS-232, IEEE-488.2 and an analogue output signal (0...10 V DC). For
convenient calibration of pressure measuring instruments, WIKA’s EasyCal
PC software can be used. ... |
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Top-7 Sensors &
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Instruments &
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The International Sensors,
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Manufacturers and suppliers of sensors & measurement devices |
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A
selection of recently
published
technical articles & products
in the field of:
Pressure
sensors / Pressure transmitters /
Pressure
transducers / Pressure measurement
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Find
all manufacturers and suppliers of pressure sensors
pressure transmitters, pressure transducers, pressure measurement devices |
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>> Find
more recent articles
about pressure sensors |
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New Options for Spark Plug Sensors |
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 Piezocryst
Advanced Sensorics: By combining the expertise of the AVL group, AVL
DiTEST and Piezocryst have created a novel product for tuning shops,
garages, as well as all motorsports. The combination of Piezocrysts’
sensor know-how with the systems knowledge of AVL DiTEST enables us to
create an inexpensive, easy to use measurement and diagnosis system for
cylinder pressure by determining essential engine parameters for
performance improvements or diagnostic testing. The system is based on
sensor solutions that utilize the existing engine bores and thereby
enable a fast and simple assembly. To achieve this, the pressure inside
the cylinder is measured by replacing the glow plug in diesel vehicles
by a compliant mounting pressure sensor and the sparkplug in gasoline
engines by a pressure measuring sparkplug. The measurement provides a
variety of information such as compression or maximal pressure. It also
detects irregular combustion in gasoline engines (such as detonation and
preignition) and in combination with the crank angle signal, the
position of fractional mass burn (e.g. crank angle to achieve 50% mass
burn), the indicated mean effective pressure, or the torque-time
performance of each cylinder. . ... |
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Kavlico P6060 Pressure Sensors are Ideal
for Medical Air Applications |
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 Moorpark,
CA – Kavlico, a global business unit of Custom Sensors &
Technologies (CST) has recently introduced the P6060 high accuracy
pressure sensors that are suitable for air pressure measurements in
Oxygen concentrators, Respirators & Ventilators. These rugged,
lightweight (1.3 grams Max.) devices have a piezo-reseitive (PRT) sense
element in a low-profile surface mount package. Small in size, the
sensors measure 21.29 x 16.71 mm. Using a 5 volt input, the sensors
provide a 0.5 to 4.5 Vdc linear analog amplified output proportional to
pressure. The user has the option to specify a digital output that
conforms to SPI protocol. Internal temperature compensation using a
state-of-the-art ASIC insures an accurate ±1% of span total error band (TEB)
over 0 to +60°C. Available pressure ranges include 13" H20 and 0–1
through 0–75 PSIA, PSIG, and PSID. The easy-to-use P6060 sensors are
EMI/RFI and ESD protected, experience no mounting position effects and
provide a fast response. The sensors can be configured with custom
pressure ranges and port connections dependent upon the end-users
application-specific requirements. For applications that do not require
a ±1% accuracy, the P6050/P6060pressure sensors is available with a ±2%
TEB specification over temperature. As an additional benefit, the
sensors are RoHS compliant. ... |
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New Switching Adapter Type 7533A... |
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 Kistler
offers a multitude of cooling and switching adapters for accurate
measurement of absolute pressure in the exhaust system of combustion
engines. Sensors installed in cooling adapters are constantly exposed to
the exhaust gases, while sensors in switching adapters only come into
contact with the exhaust gases during the measuring periods. When the
switching adapter is not activated the diaphragm is exposed to ambient
pressure. This increases the life of the sensors, particularly in
combustion engines with high exhaust temperatures and high pressure
fluctuations. The new switching adapter Type 7533A... has a M14x1,25
thread for connection to the exhaust system. In order to be able to use
existing bores, the adapters 7543A1 (G1/2”) and 7543A2 (M18x1,5/thread
lambda probe) are available. Various models of the switching adapter are
available for the sensors ... |
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Mold Cavity Pressure Shows Process and
Quality O.K.! |
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 Kistler:
For over 30 years cavity pressure has been the process parameter of
greatest importance in evaluating molding conditions. It is not for
nothing that experts regard this variable as the fingerprint of
injection molding. The curve of the cavity pressure for a particular
process and molding is just as distinctive and unmistakable as the human
fingerprint. It uniquely identifies the quality of each and every
component. Deviations from the optimum are clear indications of
fluctuations in the process that lead to molding defects ranging from
incomplete mold filling to flashing or dimensional discrepancies.
Predominantly used for optimization and analysis of the injection
molding process in the initial years, cavity pressure measurement is now
synonymous with every molding achieving the required quality through
100% monitoring of volume production, and with rapid, systematic
start-up of processes without significant initial reject rates. Cavity
pressure sensors for any conceivable materials and mounting situations,
simple sensor mounting, patented single-wire technology for quick and
reliable cabling of molds, convenient multichannel cabling for
connecting the sensors, and the CoMo Injection monitoring system type
2869B… with its multiplicity of functions: these are the modern tools
used to routinely take and exploit this fingerprint. ... |
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Cavity Pressure Sensors Now Available
without Cables |
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 As
technology leader in sensors and systems for monitoring injection
molding processes, Kistler presents a new generation of cavity
pressure sensors without connecting cables. These designs use the
mechanical support sleeve to conduct the pressure signals from the
sensor via mold platens. Cable-free sensors simplify handling and
mounting, increase flexibility and availability and cut maintenance
costs. The first cavity pressure sensors to be available with a spring
contact for this new approach to conducting the charge will be Types
6183AN (front diameter of 1 mm) and 6182BN (2,5 mm). With this new
technology the sensor is mounted with a sleeve that supports it in the
mold platen or the molding module and senses the forces under load. In
the cable-free system this sleeve is designed to transfer the charge
signals of the sensor from the sensor to a contact element in the
supporting mold platen. The moldmaker can shorten the sleeve as required
to suit different platen thicknesses. The ends of the sleeve are
finished square with its axis. The contact element is provided with a
single-wire cable that transfers the charge to the single- or
multichannel connector on the mold. ... |
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Digital HDI Pressure Sensors Offer Ultra
High Total Accuracy Better Than 0.5 % |
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 Sensortechnics’
new HDI series performs precision digital signal conditioning to achieve
ultra high total accuracies. An internal ASIC compensates sensor offset,
temperature effects and non-linearity to allow for an excellent Total
Error Band (TEB) better than ±0.5 %FSS. The pressure sensors provide
digital interfaces with I²C bus protocol and analog 0.5 … 4.5 V output
signals. The HDI series offers absolute, differential and gage pressure
measurement in various ranges from 10 mbar up to 10 bar. The sensors
feature unidirectional, bidirectional or barometric calibrations and are
intended to be used with air and non-corrosive gases. Optional 3 V
supply voltage versions and special low power devices make the HDI
series ideal for battery powered applications, e.g. in portable or
handheld devices. Miniature SMT housings allow for space-saving
PCB-mounting and maximum OEM design flexibility. Sensortechnics is able
to provide fast and flexible modifications for all HDI pressure sensors
based on custom specific requirements. ... |
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PRESENS Announces Space Contract with ESA |
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 Presens
AS is pleased to announce the award of a new contract from the
European Space Agency (ESA) to design and develop pressure sensors for
deployment in a wide array of space applications. The product
development project is worth EUR 500.000 and is scheduled for completion
in the first quarter of 2010. PRESENS patented pressure sensing
technology enables extremely accurate measurements of pressures under
demanding conditions. Due to several key properties such as long-term
stability, small size, large output signal, fast response and extreme
robustness, PRESENS’ sensors are well-suited for spacecraft
applications. Over the last few years, PRESENS has participated in a
number of research and development projects within the space sector. The
previous collaboration program with ESA resulted in space qualification
of a high pressure sensor. This is now installed on the Swedish
spacecraft PRISMA, scheduled for launch in June 2009. “This contract
signifies an important step towards further commercialization of PRESENS
pressure sensors in the space industry” ... |
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New KTE2000CS Submersible OEM
Transmitters Measure Low Liquid Levels From 0.5 m H2O |
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 Sensortechnics’
new KTE2000CS submersible OEM pressure sensors offer precision
hydrostatic low level measurement from only 50 mbar (0.5 m water column)
Full Scale. The KTE2000CS series consists of highly accurate capacitive
ceramic pressure cells in a rugged stainless steel construction. They
feature excellent long term stability and are compatible with many
corrosive and aggressive liquids. The KTE2000CS transmitters are
calibrated and temperature compensated from -20…+70 °C and provide a
4...20 mA output signal. A special cable with an integrated vent tube
allows a true reference pressure to the sensor element and eliminates
errors due to atmospheric pressure changes. The sensor is protected
against environmental conditions to the IP68 standard and withstands
overpressures of up to 10 times the rated pressure. Important features
of the new KTE2000CS series are: - Low liquid level measurement from 50
mbar (0.5 m H2O) Full Scale - Capacitive ceramic pressure cells in a
rugged stainless steel construction ... |
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Mechatronic pressure gauge - Now also for
UHP applications |
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 WIKA
have extended their "intelliGAUGE" range (pressure gauge plus electrical
output signal) by a pressure gauge for all applications in the
Ultra-High-Purity sector. The new model PGT23.063 UHP can be delivered
with all standard ultra-high-purity gas connections such as VCR®
compatible fittings. A high-quality, stainless steel, safety pattern
pressure gauge is the basis of the new UHP model. The fully welded
Bourdon tube measuring system first provides an on-site pressure display
without the need for an external power supply, which means that the user
will get a value in any case even in case of power failure. The
electronic angle encoder of the PGT23.063 UHP moreover transforms the
measured value proportionally to the pressure and contact-less into an
output signal of 4 ... 20 mA. This allows the information to be
displayed, for example, in a control centre. Its multi-functionality
makes the new UHP pressure gauge – as all intelliGAUGE instruments ... |
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New M5 Sensor for Monitoring Cylinder
Pressure |
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 Kistler's
new piezoelectric Type 6351A1 offers a high-temperature M5 size pressure
sensor with in-line charge amplifier and a robust, steel-sheathed cable.
The minimal dimensions of this sensor make it ideal for compact engines
offering extremely limited mounting room. In addition to conventional
mounting in the cylinder block, the sensor can even be integrated into
engine components such as gas injection valves. With the new PiezoStar®
crystal the sensor, despite its miniaturization, is very sensitive and
can be used for knock control as well as monitoring thermodynamic
parameters. The service life of the new Type 6351A1 is comparable with
the tried and tested M10 monitoring sensor Type 6613C. ... |
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air2guide measuring instruments for
ventilation and air conditioning (VAC) |
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 WIKA
presents a new generation of measuring instruments for mandatory filter
monitoring in ventilation and air conditioning systems. WIKA introduces
two new products: the mechanical differential pressure gauge air2guideP
and the mechanical differential pressure gauge with analogue display and
analogue output signal air2guideP+E. The new measuring instruments were
developed in response to a wide-ranging analysis of market and customer
requirements. The differential pressure gauges are available for filter
monitoring in the following standard measuring ranges: 0 … 250 / 500 /
750 / 1000 / 1500 / 3000 / 6000 Pa. All devices can be installed and
dismantled easily without the need for tools. air2guide measuring
instruments offer a time saving of up to 50% during installation
compared with conventional models. They are designed for dry, clean,
nonaggressive and non-combustible gases, mainly air. ... |
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Filling Contents in Tanks - Accurate,
digital, battery powered, waterproof |
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 Under
the name of Castello, Keller AG has introduced a flexible,
modular system for the accurate indication of the content of a liquid in
a tank. Castello offers a user-friendly way to represent the pressure
measurement at the bottom of a tank as the quantity of remaining liquid.
At the push of a button, the microprocessor performs the calculations
using the information of the tank shape and dimensions and displays the
remaining tank content quantity on the clearly legible 5-digit LED
display in the desired unit (litres, gallons etc.). The easy to use
software to configure Castello is free of charge. It contains the most
current tank shapes. Other tank shapes can be easily integrated at the
factory. The exclusive use of absolute pressure sensors in the Castello
system eliminates the use of capillary vented cables with all the
problems associated with a gauge pressure measurement. The Castello
enclosure integrates an air pressure sensor, ranged between 0,8 bar and
1,3 bar absolute. The sensors to measure the hydrostatic pressure at the
bottom of the tank are calibrated from 0,8 to 1,8 bar abs for tanks up
to 5 m in height, and 0,8 to 2,3 bar abs for tanks up to 10 m in height.
The pressure difference, calculated by the μP, is the relative
hydrostatic pressure. ... |
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High Quality Pressure Solution |
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 FUTEK
Advanced Sensor Technology, Inc has expanded its Pressure Sensor
product line yet again by adding the new model: Pressure Sensor PMP300
to its line up. This marks the second pressure sensor release for FUTEK
in 2008. The PMP300 Pressure Sensor (OEM) is precision engineered and
manufactured to fit many industrial and OEM pressure measurement
applications. The rugged design provides resistance to vibration, shock,
wide temperature variations, RFI and other extreme environmental
conditions that are typical of industrial and OEM applications.
Performance and reliability is enhanced by the all stainless steel
welded measuring cell that eliminates the need for soft sealing material
that may deteriorate over time. The state-of-the-art manufacturing and
assembly process increases the long term reliability of the PMP300.
Typical applications process control and automation, hydraulics,
pneumatics, and machine controls. ... |
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Cool Performer - the R-1 compact
pressure transmitter for refrigeration and HVAC applications |
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 The
new WIKA R-1 pressure transmitter has been optimally designed for
the specific requirements of refrigeration and HVAC applications. The
R-1 has proven condensation resistance - the most important requirement
for refrigeration and HVAC applications - with excellent results in a
multitude of tests. As a result of the monolithic design of the body,
with its welded thin-film measuring cell, the need for a separate seal
between the sensor and the housing, in contact with the medium, is
eliminated. One advantage of this is that no elaborate material
compatibility tests are required; another is that there will be no
chance for leaks due to the seals. Therefore, high long-term sealing can
be guaranteed. A robust and compact design, plus resistance to the
most-widely used refrigerants are further requirements of this market’s
customers which are fully satisfied by the R-1. ... |
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Crevice-free compact pressure transmitter
for industrial and automotive applications |
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 With
the Series 22 S and 22 M, Keller AG für Druckmesstechnik,
Winterthur (Switzerland), has introduced a wide range of pressure
transmitters that are totally crevice-free after assembly. The brazing
technique that the company has developed has made the use of internal
O-ring seals obsolete for many applications. The parts that come into
contact with the media are made from stainless steel (AISI 316L) in the
Series 22 S transmitters. In the Series 22 M the steel piezoresistive
pressure measuring cell is brazed to the brass pressure connection using
a nickel diaphragm. Brazing in tunnel furnaces has considerable cost
advantages in comparison to the usual electron beam welding at measuring
ranges up to 250 bar. The Series 22 pressure transmitters are available
in finely graduated pressure ranges from 5 bar to 250 bar sealed gauge.
Absolute transmitters with a vacuum reference ... |
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Pressure transmitter / temperature transmitter for
dual-mode engines |
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 With
the approval of the Series 22 DT transmitter Keller AG für
Druckmesstechnik, Winterthur (Switzerland) has succeeded in moving
into the area of production engine applications that are governed by
extreme demands. So-called dual-mode vehicles have experienced a
tremendous boom due to the voluntary commitment of European car
manufacturers to reduce CO2 emissions to 140 g/km by 2008. These
vehicles can be operated using normal petrol during the start-up phase
and then with natural gas during continuous operation. The combustion of
natural gas such as methane (CH4) creates 25% less CO2 than petrol with
the same engine performance. The pan-European introduction and promotion
of this dual-mode technology has forced leading manufacturers to undergo
additional system optimisation that includes exact control of the gas
pressure and highly-dynamic measurement of the gas temperature directly
at the distributor (rail). Keller AG für Druckmesstechnik has developed
the transmitters ... |
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