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Welcome to
the world of measurement & sensors technology.
Read up-to-date measurement & sensors technology news and search for worldwide manufacturers, suppliers
of sensors, detectors & measuring devices.
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The Sensor to Business -
sensors & measurement database:
Find sensor manufacturers, sensor suppliers
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Applications,
measured properties:
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Sensors & measuring systems for pressure, flow
and level
(e.g.:
level sensors, level switches, 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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Sensors & Measurement news:
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Sensor & Measurement news in other languages |
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New Contact-Free Capacitive Level Switch
Allows For Complete Media Compatibility |
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 Sensortechnics’
new CLW series detects point levels of liquids and granular or
pulverised materials without contacting the media. The user can easily
adjust a high and low switch point with a hysteresis of less than 25 mm.
The CLW device uses a new non-invasive capacitive sensor technology and
allows for complete media compatibility and sterility. Due to its
miniature size these level switches can be perfectly integrated into OEM
devices. The CLW sensor can be mounted to the outside of a container or
vessel and is able to measure through almost any non-metallic wall
material. The level switch is highly flexible and can be easily
calibrated to measure to the desired levels, media and application
set-up. The CLW series achieves a very high accuracy and reliability due
to an additional reference electrode which compensates for all changes
in ambient environmental conditions such as temperature and humidity.
Additionally, Sensortechnics can also provide continuously measuring
level sensors based on the same contact-free capacitive technology. ... |
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Level measurement in cavities with only
4mm diameter |
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 SNT
Sensortechnik AG: Many industrial applications can be solved with
the miniature ultrasonic sensors series UPS, where optical, inductive or
capacitive sensors might have problems with detection. Furthermore with
the UPS sensors with analogue output a precise distance or level
measurement can be realized, with a precision of approx. 0.3mm, with
0…10V or 4…20mA output. The special version “FOCUS Beam” (center on
picture) has a focusing device for the ultrasound. It has been
particularly successful in various applications. It proved its advantage
in the detection through very narrow openings. Since the FOCUS Beam does
not have any disadvantageous blind range, one can place it very close
(few millimeters only) to the opening of a cavity. There the beam is
only 3mm wide in diameter. This allows e.g. to measure the level in only
4mm wide cavities with an accuracy of only few 1/10mm. The other special
version "CP" (Chemical Protection, right on picture) has a PTFE
diaphragm with a protective sleeve. This can be used as a level sensor
also in small containers with aggressive liquids. SNT Sensortechnik AG
is a specialist in ultrasonic sensors for ... |
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Micronas presenting the smallest linear
Hall sensor with integrated EEPROM |
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 Micronas,
a leading manufacturer and supplier of innovative and user-specific IC
and sensor system solutions for use in automobiles and in industry,
presents its HAL 1820, the first member of a new family of
value-optimized linear Hall sensors. The HAL 1820 is Micronas’ answer to
the market demand for an adaptable, robust and cost-effective sensor
with low space requirement for detecting the position, the direction of
movement or fluid levels, for current measurements and as an alternative
to conventional potentiometers. The HAL 1820 meets every quality
criteria of an automotive component, has best-in-class EMC capability
and features internal overvoltage and reverse voltage protection at the
power supply terminal. “The electrical characteristics of the sensor
such as field strength, sensitivity, offset and temperature coefficient
are stored in an internal EEPROM. ... |
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Distributed level measurements via the
GSM network, Wireless communication with data loggers all over the world |
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 Keller
AG has now developed a universal, energy-optimised
radio module with integrated data logger. The GSM-2 remote data
transmission unit and the free PC software allow you to conveniently
observe levels, measurements and trends and monitor limits from the
comfort of your office. This applies to groundwater levels, waste water
levels and the filling levels of mobile tanks on vehicles. However, it
also applies to completely different measurements from appropriate
sensors with suitable output signals. The cylindrical design of the
GSM-2 with a diameter of just 48 mm has been chosen so that the data
logger, which ”selfdials” in accordance with user requirements, can
simply be placed in the top of a normal 2-inch diameter sounding pipe
that is used in groundwater measuring equipment. Installation takes a
matter of seconds. The housing is designed to withstand condensation and
being under water for short periods. The GSM antenna is covered with a
lockable covering cap made from solid plastic. The data logger is
therefore protected from theft and vandalism when level measurements ... |
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Three new versions of Level Sensor Series
LS03 |
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 MEDER
electronic AG: Three new versions of Level Sensor Series LS03 have
been introduced into the market to meet the wider demands of our
customers for special applications. These new versions are LS03 DL, GZ
and GK. The code DL stands for “Dichtung Lang” (German) meaning “long
sealing gasket”); GZ for “Gewinde Kurz” (German) meaning “short thread”;
and GZ for “Gewinde Zoll” meaning “Thread in Inches”. Different market
norms or usage customs have been also taken into consideration to
develop these three new versions. GZ Series has a thread that is usually
used in American market that even no sealing is necessary, therefore,
the cost is lower; DL Series has the norm more for European market and
suitable for low pressure and thin container walls, while the DK Series
is more robust in construction for a higher resistance against filling
pressures (up to at least 10bar). The new
level sensors of LS03 are
made respectively of PP or PA, or both. Under normal situations, level
sensors from the standard LS03 series are mounted inside the liquid
container to detecting the changes of liquid levels, but with more and
more sophisticated and ... |
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Series DCX 16 Level Probes - Autonomous
Data Collectors with Ø 16 mm |
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 KELLER
AG:
Level measurement: 1.5 billion people around the globe have no access to clean
water. Managing water as a resource is therefore the challenge of the
21st century. A significant part of the world’s water resources is
located underground. Large areas are surveyed using
pressure sensors to
monitor changes in the water level in relation to usage as well as
rainfall. These sensors are inserted in wells up to 200 m in depth. The
major share of the cost of a measuring point is caused by the drilling
operation and the pipe inserted into the earth. Until now, pipes with an
inner diameter of 1 inch (2,54 cm) were mainly used, required by 22 mm
diameter sensors. KELLER’s new DCX-16 features a Ø 16 mm diameter
without compromising exactness, enabling much lower ... |
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Ultrasonic Sensors - When a µ-liter makes
the difference |
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 Baumer
Electric: In lab automation small containers such as microwell
plates or test tubes are used in analytical processes of liquids. Since
the liquids to be analyzed are often available in limited quantities
only, this market has been confronted with an ever increasing demand for
highly precise level measurement. Baumer is now responding to this
challenge with the new Series 09 ultrasonic sensors. They are capable of
measuring into wells with as little as 3,3 mm opening diameter,
providing a 0,1 mm resolution. This performance converted to a type 384
microplate results in a resolution of 1,09 microliters. Thus, the loss
of liquid can be kept within very tight limits. Additionally, the
measurement allows the detection of flaws at an early stage of the
analyzing process, which keeps the general process quality at a high
level. Efficiency concerning scanning speed is a further highlight of
the Series 09 sensors. Thanks to a housing width of less than 9 mm,
eight sensors arranged in-line are capable of scanning a type 96
microwell plate in one single cycle. The short response of as little as
seven milliseconds allows fast scanning rates, which in turn lead to
minimal process times. The benefit are a maximum of process quality at a
minimum loss of time. The range of applications for the new ultrasonic
sensors is far larger than the described liquid level measurement in ... |
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Industrial Laser Distance Meters for
medium and long range Measurement |
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 Jenoptik:
Fast, non-contact, precise and reliable. The compact laser distance
meters of the LDM41/42/43 series measure distances with millimeter
accuracy – also without reflectors. The phase comparison method allows
for absolute measurement results with repeated precision. Offering a
measuring range of 30 metern on natural surfaces, the sensors are
ideally suited for position determination of production goods, control
of hoisting gear or measurement of fill levels in silos. ... |
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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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Highly sensitive radiometric detector on
fieldbus basis |
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 BERTHOLD
Technologies GmbH & Co. KG: The Super-Sens detector which is
internationally renowned for its unmatched sensitivity, is now available
for the fieldbus systems HART, Profibus PA and Fieldbus Foundation. LB
490/491 Super-Sens combines highest sensitivity with the advantages of
the Uni-Probe detectors and can be used for continuous level measurement
or density measurement as well as level switch. With a high- quality
organic scintillator, which is considerably bigger than the ones
commonly used, the Super-Sens gains an outstanding high sensitivity for
gamma radiation. This property leads to extremely reliable measuring
results - even under difficult measuring conditions - by using smallest
intensities of radiation sources. Already existing sources can be used
considerably longer when installing the Super-Sens detector. Thereby, an
upcoming exchange of sources can be postponed by several years ... |
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Mobile level control |
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 SONOTEC:
With the SONOCONTROLmobil it is possible to identify the filling level
of vessels, pipes or bottles through their non-transparent walls easily
and fast. The mobile ultrasonic sensor enables the detection of liquid
levels in pipes or containers, which have a diameter between 200 and
1000 mm. The system can be used for the control of liquids and liquid
gases. The sensor differentiates reliably between liquids and air/gas.
The user friendly and mobile device can be applied for the control of
filling levels after filling procedures as well as for service controls
of bottles, containers and pipes. There is no process interruption since
openings of systems or removals of bottles for weightings are no longer
necessary: - control of bottles filled with fire extinguishant - level
control of containers filled with aggressive fluid chemicals or
diesel/fuel oil - control of coolant tanks - function control of
installed level control devices ... |
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Laser Distance Meter LDM43, with Profibus
and SSI Interface |
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 Measuring
distances with millimeter accuracy. Precisely define positions.
Registering motion processes. Jenoptik: The LDM43 is an opto-electronic
distance meter for industrial applications. Equipped with a Profibus DP
interface, the LDM43 can easily be integrated into any fieldbus-driven
process controller. The additional SSI interface provides another
convenient option for controlled operation of the measuring device. A
compact and robust design shape combines with low power consumption,
selectable switching outputs and the possibility to set specific
application parameters to warrant flexibility in use. Benefits: *
Precise: phase comparison allows distances up to 150 meters to be
measured with millimeter accuracy. * Non-wearing: distances are reliably
determined in a non-contact procedure that requires no reflector within
a range of up to 30 m. * Accurate: an eye-safe easily perceivable
measuring beam is provided for pin-point alignment of the sensor.
Applications: * Distance measurement and determination of positions, *
Fill-level measurement, ... |
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Top-7 Sensors &
Measurement News |
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Find all sensor & measurement suppliers &
news
- Access to the database - |
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Sens2B - Sensor to Business
100% Sensors,
Instruments &
Measuring Devices |
The International Sensors,
detectors & measurement Portal
Manufacturers and suppliers of sensors & measurement devices |
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A
selection of recently
published
technical articles & products
in the field of:
level
sensors / level switches |
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Find
all manufacturers and suppliers of level sensors
level switches |
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Liquid Level Sensors reach new levels
with the release of their new LS05 Series! |
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 MEDER
electronic announced the release of their new LS05 Liquid Level
Sensors, made of tough stainless steel tubing, these sensors can be
customized up to 6.5 feet in length, detect multiple liquid levels and
withstand exposure to many chemical solutions, high pressure and high
temperatures. The LS05 Series Liquid Level Sensors is the most diverse
level sensor yet, combining hundreds of standard options ranging from
switching power and connectivity to fluid types and number of liquid
levels. The LS05 housing stem, constructed of V2A stainless steel can
vary in length up to 6.5 feet long and hold any number of magnetic
floats with a minimum spacing of 1.5” between them. Its stainless steel
housing will withstand high pressure up to 12bar and temperatures up to
200°C when coupled with stainless steel floats. Choose from 10 different
magnetic floats ... |
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WATER MANAGER SOLUTION: Transmission of
Water Level- and Temperature-Data via GSM/GPRS, Radio, or Internet |
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 February
2010: STS’ newly developed watermanager solution allows for
conveniently managing and reading data loggers from any location at any
time. In case of an out-of-limits condition, a warning message is
generated and transmitted automatically via SMS and e-mail. In this way,
a maximum degree of flexibility and cost efficiency is attained with
regard to the monitoring of water levels and temperatures of rivers,
lakes, ground water, sources, and boreholes. The measuring hardware for
GSM/GPRS and radio may be easily installed in a 2"-tube or 4"-tube and
it consists of 3 elements: * A highly accurate pressure and temperature
sensor with stainless steel or titan casing exhibiting a 0.1% accuracy
of the end-scale value as regards pressure/water level and a 0,3°C
accuracy with regard to temperature. The temperature of the medium may
range from -5 to 80 °C. ... |
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Level Switch for Hazardous Areas |
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 For
applications in gaseous and dusty surroundings, Baumer offers its
FlexLevel Switch 4401 in various ATEX versions. They enable a safe level
detection in hazardous areas. The ATEX certifications cover the zones 0,
1 and 2 as well as the zones 20, 21 and 22. The FlexLevel Switch can be
easily configured on PC via the FlexProgrammer 9701. When used with a
cooling neck, the switch is suitable for process temperatures from -40°C
to up to 200 °C. Explosive gas or dust mixtures can appear in many
industrial applications, e. g. in the chemical, pharmaceutical and even
the food industry. All FlexLevel Switch versions are available with the
following ATEX approvals: Ex ia for gas applications in zone 0, 1 or 2,
if protected by a zener barrier; Ex tD for dust applications in zone 20,
21 or 22 (for use without zener protection even in zone 20
applications); and Ex nA for gas applications in zone 2 without use of
zener barrier protection. All wetted parts are made of FDA-approved
acid-proof stainless steel or PEEK thermoplastic. The FlexLevel Switch
complies ... |
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Laser Distance Meters LLD with an
extended temperature range |
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 Measure
distances with millimeter accuracy. Define positions. Measure fill
levels. register motion processes. The LLD Series from WayCon
Positionsmesstechnik GmbH is a optoelectronic distance meter
designed for industrial applications. Measurements up to 150m are
performed precisely, fast and in a non-contact fashion using the
comparative phase shift method. Equipped with interface options such as
Profibus DP, SSI, RS232 or RS422 as well as selectable switching and
analog outputs, the sensors can easily be integrated into any industrial
infrastructure including fieldbus-driven process controllers. The
compact and robust design shape combines with low power consumption, and
the possibility to set specific device parameters warrants flexibility
in use. Optional heating enables indoor and outdoor operation at low
temperatures. ... |
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UPS 150 FB Series: Level measurement in
cavities with only 4mm diameter |
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 SNT
Sensortechnik AG: Our UPS miniature ultrasonic sensors had a very
successful sales performance in 2008. Many industrial applications can
be solved with the standard model UPS 200, where optical, inductive or
capacitive sensors might have problems with detection. Furthermore with
the UPS sensors with analogue output a precise distance or level
measurement can be realized, with a precision of approx. 0.3mm. The
special version “FOCUS Beam” has been particularly successful in various
applications. It proved its advantage in the detection through very
narrow openings. Since the FOCUS Beam does not have any disadvantageous
blind range, one can place it very close (few millimeters only) to the
opening of a cavity. There the beam is only 3mm wide in diameter. This
allowed e.g. to measure the level in only 4mm wide honey comb shape
cavities as used in medical laboratory applications (see left picture
below) with an accuracy of only few 1/10mm. Of course such measurement
needs a precise alignment of the sensor axis and the cavity to be
measured. On the right side below the comparison of detection beams of
UPS 200 (standard sensor) vs. UPS 150 FB (FOCUS Beam sensor) is shown. ... |
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Level Switch with Cooling Neck for High
Temperatures |
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 For
its FlexLevel Switch 4401, Baumer offers a sliding connection
making the hygienic level switch suitable for high process temperatures
of up to 200 °C. The optional sliding connection is available in 100 and
250 mm length and can serve as a cooling neck or extension, for example
if the medium has to be reached through the tank insulation or the
level
detection has to be adjusted to a certain height. Thanks to the DN38
process connection, the sensor is excellently suitable for food and
beverage industry applications. For the use in hazardous areas,
different ATEX versions are available. The sliding connection enables
the sensor’s application either as a cooling neck in high media
temperature applications for a temperature ranges from -40 °C to a
maximum of 200 °C or as an extension for various installation options.
By using this method, the medium can be reached through a tank
insulation or from the top of a tank. Additionally, the sensor tip can
reach deeper into the tank in order to detect the correct level of
viscous media that stick to the tank wall. The FlexLevel Switch detects
the level of liquids, viscous fluids ... |
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Radiometric Measurements of Super-latives |
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 BERTHOLD
Technologies: In the area of radiometric measurement technology the
trend is heading towards lowest possible source activities. Berthold
Technologies is pioneering these developments. With its state of the art
Super-Sens, the company provides the worldwide most sensitive
radiometric detector for measuring point level, continuous level and
density, setting new standards in source limitations. Compared to common
detectors, the source activity can be reduced by 70-95% when using the
Super-Sens detector. As an example the density measurement on a dredging
application can be taken, where a source activity of 185 GBq was
required in the past to solve the measurement task. By switching to
Super-Sens technique, the source size in this application was reduced to
5.5 GBq, which is equivalent to a factor of 34. The Super-Sens is
primarily used when vessels or pipelines with large diameter or high
wall thicknesses have to be penetrated. Furthermore, the Super-Sens is
the preferred solution when it comes to source exchanges, because
already existing sources can be used considerably longer when a Super-Sens
detector is ... |
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Lab efficiency and safety |
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 With
its comprehensive sensor technologies portfolio for laboratory
automation, Baumer offers sensors for presence detection,
position verification, level measurement, or object and code
identification. Test tubes and microwell plates are often tagged with
encoding, such as bar codes. Baumer Smart Vision solutions allow for
different encoding types to be detected safely and also offer a
character recognition function (OCR). The code identification can be
combined with a crosscheck against other relevant specifications. This
feature increases the efficiency by allowing several inspection tasks to
be easily and flexibly performed in one step. When working with
microwell plates, highest precision is everything. The new Series 09
ultrasonic sensors conduct non-contact and cross-contamination-free
liquid level sensing in microwell plates with an accuracy of a
microliter. It is possible to cascade the nine-millimeter wide sensors,
which facilitates scanning the different fill levels in a 96 microwell
plate ‘on the fly’ in the course of a single scanning. Certainty about
the fill levels is important for the early recognition of potential
mistakes and for the verification of the analytical findings. ... |
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Mould Level Gauge |
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 BERTHOLD
Technologies: The mould level gauge is used to measure the level of
molten steel in the moulds. The non-contacting measuring system detects
the actual level within a measuring range of approx. 100 to 300 mm. In
connection with a downstream control unit and an actuator, automatic
casting and fully automated cast-on becomes possible in many continuous
casting facilities. . ... |
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FlexLevel Switch 4401, configurable with
the FlexProgrammer |
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 With
the FlexLevel Switch 4401, Baumer’s product segment Process
Instrumentation introduces a new hygienic level switch which is suitable
even for high temperatures up to 180°C. It can be easily configured on
PC via the FlexProgrammer 9701. A bright blue light on top of the switch
shows when a media is detected. The indication can be seen easily even
if the sensor is mounted on top of a tank. The FlexLevel Switch 4401 is
the successor of the LSM and will be available from June on. It has been
developed for hygienic applications, so all wetted parts are made of
FDA-approved acid-proof stainless steel or PEEK thermoplastic. The level
switch complies with the EHEDG demands and is prepared for the 3A
approval which makes it ideal for use in the food and beverage industry.
For applications in hazardous areas zone 0, zone 1 and zone 2, the level
switch is available in an ATEX version. Already preset ex works and
without any further adjustment, the FlexLevel Switch detects the level
of liquids, viscous fluids and even dry media. For particularly
difficult media like adhesive substances, the teach-in function enables
a manual adjustment of the level to be detected. The switching status
can be chosen as “normally opened” or “normally closed”. The output type
can be chosen as PNP, NPN or digital out by the programming unit. The
level switch can be ... |
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New Capacitive Sensor Technology Allows
for Continuous and Contact-Free Level Measurement |
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 Sensortechnics’
CLC series uses a new contact-free capacitive sensor technology to
continuously measure the fill level of liquids as well as granular or
pulverized materials. The miniature sensor can be easily mounted to the
outside of a container or vessel and is able to measure through almost
any non-metallic wall material. The level sensing range of the standard
device is up to 10 cm which can be enlarged in special multi-sensor
configurations. The non-invasive design, with no contact between the
sensor and the fluid, eliminates all media compatibility and sterility
issues. The device is highly flexible and the user can easily calibrate
the sensor to measure to the desired levels, media and application
set-up. The CLC series achieves a very high accuracy and reliability due
to an additional reference electrode which compensates for all changes
in ambient environmental conditions such as temperature and humidity. As
an optional safety feature the sensor can be supplied with an extra
sensing pad to detect if a container is actually present or not. The CLC
sensor offers an analog voltage output as well as a digital interface.
Sensortechnics can also provide modifications of its capacitive level
sensor ... |
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Photoelectric Sensors - Level measurement
on standpipes |
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 Baumer
Electric: User-friendly level measurement? Baumer’s new level
sensors are convincingly easy to handle. They can be mounted without
difficulty on a standpipe or a tube using the included cable tie. The
diameter of the (half) transparent standpipe on which the sensor can be
mounted can vary from 3 to 13 mm. Once they have been secured, no
further adjustments have to be made on the FFDK 16 as all required
circuitry is built in. However, a switch for dark or light switching
(D/L) is in place. In the optical fiber version, the fibers are arranged
in rows. This allows the sensor to suppress foam or air bubbles of up to
3 mm in size. Foam especially emerges often, and so far it has led to
many measurement errors with optical level measurement systems. Thanks
to the PFI material used, the sensor is also resistant to chemicals.
Another advantage of the optical fiber version ... |
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The SENSation for radiometric Measurement
Systems |
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 On
the 60th anniversary of the company, Berthold Technologies is
launching the new detector generation SENSeries to the market and is
setting new standards in the radiometric process control. The SENS-Detectors
stand out by their unique and extreme high sensitivity to gamma
radiation. New measurement accuracies can be achieved, well above those
possible with radiometric systems to date. The extremely high
sensitivity also means that existing sources can be used for a longer
period. Instead of an expensive source exchange, the life of the
existing sources can be extended by many years, or even decades, by
using a new SENS-detector. Moreover, in new projects the high
sensitivity results in a considerably high reduction of source activity.
Depending on the application, the source activity can be reduced by up
to 80%, to some extend even under the applicable activity underlying
authorisation obligation. These characteristics are guaranteed by a
patented process throughout the complete field of application and the
total service-life. The SENSseries offers a suitable detector solution
for each and every application. For the radiometric detection of
density, concentration or level switch, the CrystalSENS detector can be
used. In addition, rod detectors UniSENS and – for especially large
measuring ranges - TowerSENS are available for continuous level
measurements too. ... |
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JUMO temperature and level sensor for
commercial verhicles, construction and agricultural machinery |
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 JUMO:
To keep an engine or gears in optimum working order, numerous parameters
have to be continuously monitored, with corrective intervention should
there be any deviation. Two of these parameters are the oil level and
the oil temperature. The combined temperature and level sensor aids
vehicle diagnostics in modern commercial vehicles, construction
machinery and agricultural machinery. With this level sensor, which uses
the hot-wire principle, it is possible to determine the level of the
gear oil or engine oil in a 150 mm measurement section. Only by
monitoring the level of the liquid can we be certain that the engine is
not running with too much oil, or that, unobserved, the level has
dropped to too little. Engine damage is avoided. The level sensor is
also available with an additional temperature sensor. The temperature
sensor is designed with a Pt1000 shunt resistor conforming to EN 60751,
Class B, in a 2-wire circuit. But Pt100 and Pt500 sensors, as well as
NTC and semiconductor sensors, are also possible. The hot-wire voltage
signal and the temperature sensor resistance signal are forwarded
separately to the vehicle electronics for evaluation. The JUMO
temperature and level sensor is designed for continuous operation at a
temperature ... |
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New TROGAMID® Liquid Level Switches
Feature Very High Chemical Resistance |
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 Sensortechnics
introduces the new OLT liquid level switches for cost-effective optical
point level detection. These sensors feature very high chemical
resistance due to their TROGAMID® miniature plastic housings making them
suitable for a wide range of medical and industrial OEM applications.
The OLT series can be used with many liquids which are not compatible
with conventional polysulphone housings such as fuel, halogenated
hydrocarbons (e.g. chloroform), methanol, acetone and ethyl acetate.
Furthermore, TROGAMID® can also be used in direct contact with food and
drinking water. The optical OLT switches use solid state technology with
no moving parts to measure accurately and reliably the presence or
absence of liquid in tanks, reservoirs and pipes. The product range
includes basic devices with analog phototransistor outputs, switches
with microprocessor compatible TTL signals, or high power devices with
transistor outputs for switching currents up to 500 mA. With their
miniature threaded housings the OLT sensors are easy to install and
consume little space. Additionally, Sensortechnics can easily modify or
customise these products to fit special customer requirements. ... |
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New ultrasonic limit switch |
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 The
intelligent ultrasonic limit switch SONOCONTROL 40 from SONOTEC
controls the level of liquids and liquid gases. The new device of the
SONOCONTROL series is used as a non-intrusive level control system
through the wall, consisting of a probe, fastening, couplant and
evaluation instrument. The ultrasonic measurement method is applicable
in numerous industrial fields like the chemical industry, petrochemistry,
food industry and the pharmaceutical sector. The non-intrusive system
can be used for ride-height control, full-/empty signaling, protection
against dry running, position control, ice level control, limit control
in liquids and liquid gases and for air bubble- and solid detection. The
SONOCONTROL 40 combines application diversity with an outstanding
operating simplicity. The new innovative measuring method allows an easy
installation. The device can be factory-set for measuring tasks of
serial operations (plug-and-play). Additionally, the device consists of
an easy operating software, which also facilitates individual
measurement adjustments. The compact configuration of the ultrasonic
limit switch ... |
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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 ... |
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Capacitive Sensors - Aggressive media
safely detected |
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 Baumer
Electric: In quite a number of fill level applications there are
liquids to be detected which require sensor housings and media
containers to be made of materials of strongly improved properties due
to their chemical reactivity. The new Baumer capacitive sensors provide
interesting new approaches to many of these challenging cases. Since the
sensors' electrical field of detection is capable of penetrating through
insulating materials such as plastics, glass, cardboard etc., non
invasive detection of both liquids and solid matter is possible from the
outside. Capacitive sensors can therefore monitor fill levels in closed
containers whilst being attached to the outside container wall. Compared
to sensing methods requiring direct contact with matter, there are a
number of advantages. On one hand, this approach provides an excellent
protection for the sensor itself, which assures a long live expectancy
as well as a high degree of process safety. On the other hand, the
medium to be detected or monitored cannot be contaminated by the
sensor’s housing. The detection behaviour of capacitive sensors is
influenced by the dielectric constant of the surrounding materials.
Certain limitations apply when detecting liquids and objects exhibiting
a low dielectric constant using the existing, flush-mounted capacitive
sensors ... |
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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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All manufacturers and suppliers of level sensors
level switches |
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