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Position sensors,
Draw-wire sensors
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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| Draw-wire sensors with a plastic line |
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 The
use of a "wire" of synthetic material in
draw-wire sensors is ensuring additional application
areas for the wireSENSOR P85 sensors from
Micro-Epsilon.
Thanks to its high tensile strength, its low expansion
and extremely long service life, it is technically equal
in every way to conventional steel wire while its lower
weight is a further bonus. Even the cable connector is
completely free of metal, since the ring eyelet is made
entirely of plastic. It is used, for example, in high
voltage areas where no conductive connection between the
measuring system and the target is allowed for safety
reasons. In medical technology too, the absence of metal
offers major advantages. The plastic line means there is
no interference when taking X-ray films or when scanning
with MRI systems. This makes the P85 an ideal sensor for
such applications. The flexible and modular construction
concept of the draw-wire sensor means that sensors with
plastic lines are now available as OEM versions with
many other sensor series.
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Miniature Cable transducer ideal for the
testing industry |
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 Variohm
EuroSensor are pleased to launch Celesco Transducers Inc latest
addition to their range, the new 150 series miniature cable transducer.
Designed with the requirements of testing in mind this 19mm x 19mm x
10mm transducer fits ideally in space critical applications. Offering a
38mm measurement range and a linearity of 0.25% the 150 series gives the
perfect measurement solution where linear parallel alignment and other
mounting constraints may be a problem. With the Aerospace, Automobile
and instrumentation markets in mind the unit has also been approved
across a wide temperature range for -50 to + 100 degrees. ... |
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+Info |
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Draw-wire sensors for the testing of
rotor blades |
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 Draw-wire
sensors from Micro-Epsilon are being used in the testing of new
wind turbine rotor blades at the Fraunhofer Institute IWES, Bremerhaven.
The test rig is designed for rotor blades with a maximum length of 70m.
The rotor blade distortion due to wind loads is simulated in this rig.
The tip of the rotor blade can be distorted by up to 10m due to
mechanical loads. The rotor blade is mounted horizontally in the test
rig for this. Steel cables are routed to the rotor using guide pulleys
and attached to the rotor blade at various positions, either directly or
via mechanical clamps. Twelve draw-wire sensors from Micro-Epsilon are
used for to measure the distortion. Mounted on the rails on the floor
are two draw-wire sensors for each steel cable, which measure the
movement and the distortion of the rotor blade. The sensors of the
wireSENSOR P115 series have measuring ranges of between 3m and 10m and
operate with a digital signal output. The sensors are particularly
robust due to their aluminium housing. ... |
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A
selection of recently
published
technical
articles & products:
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| Low-cost draw wire sensors for a
measuring range of up to 5m |
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 The
new wireSENSOR MK-88 extends the
Micro-Epsilon portfolio of
ultra-compact draw wire sensors. A low-cost
alternative to the aluminium-based standard
industrial range, the MK series excels in its
compact design, its glass fibre reinforced
plastic construction and its particularly low
price for large quantities. The wireSENSOR MK88,
in particular, offers an outstanding balance of
sensor size and measuring range. Wire lengths of
2.3m, 3.5m or 5m open the door to applications
that used to be exclusive to larger and more
expensive sensors. Sensors with
potentiometer-based interfaces are available
(4…20mA, 0-10V, 0-1 kΩ). For OEM projects, all
common incremental and absolute digital
interfaces or field busses may be used. ... |
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| New wire-actuated encoders for
more flexibility and safety in linear measuring systems |
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 SIKO’s
compact wire-actuated encoders are backed by decades of
experience and offer an easy-to-install and reliable way
of linear position measurement. A wide range of
industrial applications is possible, even in difficult
environmental conditions. With the introduction of the
new wire-actuated encoder range, SIKO supplements its
tried and tested range with versions that set new
standards in terms of flexibility and safety.
Temperature ranges down to -40°C and a design that is
suitable for use in wet and dirty environments result in
a high degree of protection and guarantee reliability as
well as durability and maintenance-free functionality.
The new SG21 and SG31 models allow almost any adaptation
of encoders thus resulting in unique flexibility for
integration into various control concepts. The SG32 and
SG42 wire-actuated encoders offer improved safety
through special redundant sensors which are used to
monitor the rotation of the drum. In this way, the
safety of passengers on aerial work platforms is given
special consideration. The new SIKO wire-actuated
encoder range ... |
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Application of Draw Wire Transducers in a
burial monument |
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 WayCon
Positionsmesstechnik GmbH: Accuracy measurement for monitoring of
structural deformations and convergences in an ancient burial monument
through a draw wire displacement transducer of the SX series with 50mm
measurement range. An ancient burial monument ca. 300 BC, was unearthed
100 years ago in the near of Thessaloniki, Macedonia, Greece. Over the
years the monumnet is becoming unstable due to ground erosion. A
solution to stabilize the monument was needed. The responsible Division
of the Ministry of Culture appointed the company “Neotek” a greek
distributor of WayCon Positionsmesstechnik GmbH in Germany to find a
solution. To accomplish this project, an accurat measurement system was
necessary to collect the relevant data. Various draw wire transducers
from the series SX are connected to a self-standing data logger and a
battery box. Power is conserved by a timing switch. The Waycon
displacement transducers monitor structural deformations and
convergences. Readings are taken every 6 hours. Waycon is a manufacturer
of accurate measurement systems and professional sensors for industry
and research for all applications in areas of position and distance
measurement techniques, level measurements and ... |
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Lowcost draw-wire sensors measure up to
7.5m |
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 The
latest draw-wire sensor from measurement technology manufacturer
Micro-Epsilon is the wireSENSOR MK120. This new MK model is part of
the company’s well-established low-cost draw-wire sensor range and
offers a measuring range of up to 7.5m. This is currently the largest
measuring range available in this product range. The new draw-wire
sensor completes the company’s MK sensor series. The sensor’s ultra
compact design and large measuring range is particularly beneficial to
the customer. The MK120 series is available with measuring ranges of
3,000mm, 5,000mm and 7,500mm. The sensors are available with outputs of
4… 20 mA, 0 … 10 V or potentiometric outputs. Derived from numerous
standard draw-wire sensors, the MK120 is based on extensively tried and
tested technology. A significant difference from the standard sensors in
the series is the housing, which is made from glass fibre reinforced
plastic (GRP) rather than metal. The sensor can therefore be provided at
a relatively low cost for high volume orders. With a measuring range of
7,500mm, applications that require a large measuring range and a
low-cost sensor can now be used. In the case of special requirements,
other signal types and particularly redundant variants are also
optionally realised for the MK series. ... |
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