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Applications,
measured properties:
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Sensors & measuring systems for position,
dimension
(e.g.:
angle sensors, displacement sensors, distance sensors, elongation
sensors, gap sensors, inclination sensors, light barriers,
limit indicators, position indicators, position sensors, proximity switches,
rotary position sensors, thickness sensors, tilt sensors, etc...)
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Sensors & measuring systems for mechanical /
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Sensors & measuring systems for pressure, flow
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Sensors & measuring systems for acoustic
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Melexis receives “Supplier of the Year
2009” Award from Flexpower |
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 Melexis,
a leading supplier in mixed signal semiconductors and sensors, today
announces it was honored by the Dr. Bob Roohparvar, CEO of Flexpower, a
subsidiary of Flextronics and leading manufacturer of battery chargers
for handheld devices, with the award of “Supplier of the Year 2009“. For
both companies this is the result and reward of a long-lasting
relationship. “Melexis is honored to receive Flexpower’s “Supplier of
the Year 2009” award. This recognition validates a significant mutual
effort to achieve world-class quality and performance in power supplies.
Both our companies believe close alignment is fundamental to achieving
the optimal combination of product performance, manufacturing cost and
time-to-market”, says Rudi De Winter, CEO of Melexis. Melexis has
developed several exclusive products over the past years for Flexpower
that are used in chargers and switched mode power supplies with a green
label ... |
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SHT21
Humidity Sensor – AEC-Q100
reliability confirmed again |
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 Sensirion’s
new SHT21 humidity and
temperature sensor has now been qualified in
accordance with the AEC-Q100 automotive standard. This confirms the
outstanding reliability, stability and robustness of the sensor, which
has been in regular production since April 2010. Successful AEC-Q100
qualification is remarkable in the sense that humidity sensors, unlike
fully encapsulated electronic components, are constantly exposed to
their surroundings and sensitive to ambient conditions. During the
qualification process, the SHT21 was put through the series of tests
specified by AEC-Q100. In the High Temperature Operating Lifetime (HTOL)
test, the sensor was operated at 125°C for 1000 hours to test its aging
characteristics. The 96-hour Unbiased Highly Accelerated Stress Test (UHST)
at 130°C and 85% relative humidity confirmed the sensor’s stress
resistance. Furthermore, the package was tested in the Temperature
Cycling (TC) test with 1000 cycles between -50°C and +150°C, which
measures the compatibility of the packaging material with the chip and
the substrate. The series concluded with the Electrostatic Discharge (ESD)
and Electromagnetic Compatibility (EMC) tests, which indicate the
robustness of the sensor with regard to these two parameters. The SHT21
humidity sensor passed all of the tests ... |
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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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Sensors &
measurement news
and technical articles
in week 33 / 2010: |
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4B Bulldog - Conveyor Belt Alignment &
Rip Detection System |
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 The
Bulldog is a new addition to 4B’s range of hazard monitoring
components. A belt alignment and rip detection switch, this
electro-mechanical system has been designed to detect dangerous
misalignment of the conveyor and also detection of belt tear damage. The
switch will detect horizontal misalignment of belts when contact is made
with the roller, the roller arm will be forced to pivot by the belt
activating a switch at 15º to trigger an alarm, and 30º to trigger a
shut down procedure of the conveyor. The sensors are usually installed
in pairs on opposite sides of the belt. A steel flexible wire is set
below the running conveyor belt approx 20-30mm attached by a rare earth
magnet at each end. If the belt is ripped or damaged the wire is pulled
away releasing the magnet connection which in turn will activate a
switch. ... |
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Smart Alternative to Vibrating Fork Level
Switches |
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 With
the level switch LBFS, Baumer offers a cost-efficient and
reliable alternative to widely-used vibration
level switches. The device
is able to detect the level of viscous or dry substances as well as
liquids and can be mounted in any position in tanks or pipelines. The
sensor is unaffected by flow, turbulence, bubbles, foam, and suspended
solids. As the sensor head is smooth and very small, even adhesive media
do not stick to it. The sensor’s short response time enables fast
filling processes as well as an accurate and reliable keeping of levels.
The level switch detects high and low levels in tanks and pipelines.
Furthermore, it can be used for overfill protection, dry running
protection of pumps and phase separation in oil-water mixtures. There
are many fields of applications: drinking water, wastewater, filtration,
HVAC, hydraulics, oil and gas, bio energy, wood pellets, flour mills,
railway transportation or pump systems. The sensor is mounted in a
compact, very robust, and corrosion-resistant stainless steel housing. ... |
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Silicon Designs Announces Global Market
Launch of Low Cost Universal Triaxial Capacitive Accelerometer Modules |
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 Silicon
Designs, Inc. (SDI) (www.SiliconDesigns.com), an international
industry supplier of highly rugged industrial-grade capacitive MEMS-based
accelerometer chips and modules, has announced the global market launch
of the SDI 2460 series, a new family of easy-to-use universal
triaxial capacitive accelerometer modules. Available in eight
different g-ranges, these lower-cost sensors are designed to provide
high-precision shock, vibration and acceleration measurement in three
orthogonal directions across a broad range of automotive, aerospace,
industrial, power generation, and test and measurement applications. The
SDI 2460 series combines three orthogonally mounted accelerometers in an
epoxy sealed anodized aluminum case and is the triaxial version of the
2260, the company’s best-selling single axis model. SDI’s 100% in-house
manufacturing and intense testing processes, along with the
incorporation of additive micro machining and integrated circuit
technology, produce a highly reliable and rugged capacitive sensor
tailored for zero-to-medium frequency instrumentation applications ... |
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Miniature Linear Encoder Kit |
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 POSIC
introduces the highly miniaturized inductive linear encoder kit ID1101L.
The encoder-head measures only 9.0 x 6.8 mm with a thickness of 0.9 mm
and provides A and B outputs in quadrature. The linear scale is 3.7 mm
wide and 0.9 mm thick and comes with a length of 200 mm that can be “cut
to length”. The encoder is available in resolutions from 0.3 mm down to
0.3 um. The maximum speed depends on the resolution and ranges from 100
mm/s at a resolution of 0.3 um up to 40 m/s at a resolution of 75 um or
larger. The main features of this kit encoder are its extremely small
dimensions and its insensitivity to dust, water, oil, grease and even
magnetic fields. Typical applications are in the mechatronics and
motion-control domains as speed or position feedback device. Markets
served include industrial, robotics, medical, instrumentation,
laboratory automation, office equipment. ... |
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Variable Capacitance Accelerometers with
Piezoresistive Electrical Interface, 7600B Series |
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 Dytran
Instruments is pleased to introduce a new technology of high
performance,
variable capacitance (VC) accelerometers. The 7600B series
is a family of DC response accelerometers which were designed to
directly replace piezoresistive units in new or existing applications.
The 7600B series accelerometers utilize a capacitive sensing element and
an advanced ASIC to simulate the operation of a piezoresistive bridge.
It combines an integrated VC accelerometer chip with high drive, low
impedance buffering for measuring acceleration in aerospace, automotive,
commercial and industrial environments. These accelerometers are
tailored for zero to medium frequency instrumentation applications. The
module contains a hermetically sealed micro-machined capacitive sensing
element, a custom integrated circuit amplifier, and differential output
stages. ... |
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| RLI Shaker – Rotary Level
Indicator |
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 4B
BRAIME Components LTD: The RLI “Shaker” rotary paddle switch
is used to detect high / low levels of bulk granular solids in
bins, tanks and silos. It can also be used to detect plug
conditions in spouts, where long life and failsafe detection is
required. Utilizing a unique stepper motor drive, the RLI
“Shaker” rotates clockwise, then counter-clockwise and then
shakes to shed any excess material build up. If the paddle
rotation is impeded at any time by the bulk material then the
electronic circuit provides a signal for level indication or
control. The RLI “Shaker” uses fewer mechanical parts compared
with standard
rotary level indicators. No gearbox or clutch is
required as the stepper motor drive is directly coupled to the
output shaft and is practically indestructible and cannot be
damaged by forced or backwards rotation. Also, an adjustable
torque control allows ... |
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New hall sensor for applications in
rolling stock |
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 Baumer’s
new MTRM 16 hall sensor was specifically developed for the contact-free
pulse detection of fast-spinning gear wheels. With its robust metal
housing it is predestined for the use in harsh conditions. The sensor
was particularly optimized for applications in railway gear boxes and
therefore meets all of the demanding requirements for the employment in
this industry. The very compact
hall sensor picks up the rotational direction as well as rpm speed
of gear wheels with up to 20,000 pulses per second. Due to the
non-contact measuring principle, the sensor is maintenance-free, thereby
guaranteeing long-term trouble-free use. At the same time it is very
robust and temperature-resistant. Thanks to the completely sealed and
coated all-metal housing, the sensor may be exposed continuously to gear
box lubrication oils. Its optimized housing design with integrated
O-ring allows fast and easy installation. The notably robust housing
design qualifies the sensor not only for the direct integration into the
railway gear box or the engine ... |
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MEMS Sensors and Structural Health
Monitoring System successfully deployed in Chilean earthquake zone |
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Digitexx Inc and Colibrys SA announced the successful results of
an innovative mobile Structural Health Monitoring system deployed since
March in a newly constructed building in Vina del Mar, Chile. The system
has 16 Colibrys
MEMS based accelerometers embedded throughout the
building to monitor the integrity of the building structure during
ongoing construction these past months. The Digitexx PDAQ (Portable Data
Acquisition System) is an all-inclusive, fully-portable, battery or AC
power operated 16 channel system with integrated hardware and software
to measure, record, broadcast and analyze building dynamic response. The
system is used for Structural Health Monitoring. Real-time streaming
acceleration data is provided both locally as well as remotely via a
proprietary Client Software transmitted via the Internet. When an event
happens, such as an earthquake or an aftershock, and any pre-set
thresholds are surpassed, an email alert goes out. To date the system
has recorded 100’s of aftershocks. Digitexx was invited by EERI
(Earthquake Engineering Research Institute) to participate on the
Instrumentation Team of the Earthquake Reconnaissance in ... |
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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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The World’s Most Energy-Efficient CO2
Sensor Module |
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 With
its unparalleled low power consumption the new EE892 from E+E is
a highly impressive CO2 sensor module. Features such as an adjustable
measuring interval enable optimum adaptation to specific applications
while maintaining an average current consumption of less than 60μA. This
makes the EE892 CO2 sensor module the ideal battery-operated,
energy-saving device. The
CO2 sensor module was specially developed for
OEM applications and high-volume production. The digital interface and
extremely compact design facilitate clear-cut integration in mobile and
energy-sensitive applications such as data loggers or demand controlled
ventilation. The CO2 load cell is based on infrared technology (NDIR)
and, thanks to the patented E+E autocalibration process, it is
completely maintenance-free. Ageing effects are compensated
automatically to guarantee outstanding ... |
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The new MLD 500 and MLD 300 series—simply
innovative |
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 Leuze
electronic presents Multiple Light Beam Safety Devices and, for the
first time, 3-beam Transceiver systems as well in various function
classes for access guarding, also with Muting. And no additional modules
are necessary! It is advantageous from a cost effectiveness and optimum
usability standpoint to use safety sensors that are characterized by
functions that match the specific requirements of the given application
as closely as possible. Leuze electronic developed the new MLD 300 (type
2, PLd) and MLD 500 (type 4, PLe) series Multiple Light Beam Safety
Devices especially with this in mind. The individual models of the
respective series are equipped with certain features and capabilities
(function classes). By selecting a given function class, the user can
appropriately determine the performance of his safety sensor for the
application and the respective requirements. For example, the
start/restart interlock and contactor monitoring functions are available
and, if necessary, various Muting modes can be selected. As a result,
the series can be used both as standard access guarding as well as for
applications where sequential, parallel or partial Muting is required.
... |
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Sensors & Measurement News in week 32 '2010 <<
>>
Sensors & Measurement News in week 34 '2010 |
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All sensors &
Measuring devices Homepage |
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Find all sensor & measurement suppliers &
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