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displacement sensors, linear position sensors,
linear transducers, transmitters
linear
position measurement
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A
selection of recently
published
technical
articles, white papers, products
&
application examples: |
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NASA Stennis Space Center Awards Sensor
Development Contract to Lion Precision |
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Lion Precision, a leading manufacturer of high-performance
displacement sensors, was awarded a Cooperative Agreement with NASA’s
Stennis Space Center to develop a smart sensor and the associated
communication protocols to monitor valve position and wear. The
eddy-current displacement sensors will monitor valves responsible for
the flow of liquid oxygen and liquid hydrogen in rocket engine test
cells. Sensor measurements and sensor health information will be
transmitted using MTConnect communication protocol. Development of the
system will require the expansion of MTConnect to include new XML tags
for sensor measurement and health parameters. Don Martin, president of
Lion Precision, is the chairperson of the Sensors Working Group for
MTConnect. Rocket engine tests are very expensive to perform. Failures
during the test require scrapping and later repeating the test at great
expense. To help prevent failures, the sensors will monitor the
condition of critical valves. The sensors will provide a precise
measurement of the final seated position of the valve when closed. That
position verifies that the valve is closed and also indicates valve
wear. This data will inform operators when a valve requires maintenance
rather than waiting until it fails or performing costly, unnecessary
maintenance at a predefined time interval. The sensors will also monitor
their own functionality and report any apparent malfunctions of the
sensing system. ... |
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+ Info |
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Understanding Capacitive Position Sensors |
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MicroSense, LLC: Introduction to Capacitive Displacement Sensors:
Capacitance sensing is a high precision, high bandwidth, non contact
displacement measurement method which has been in common use for over 50
years. This white paper describes various characteristics of capacitive
sensing, principles of operation, performance characteristics and the
fixturing of capacitive sensors. Capacitive sensors, when used for high
resolution displacement and position measurement, are also commonly
known as cap gages (or gauges), since some of the early commercial
applications for capacitive sensors involved dimensional gaging of
precision components. Characteristics of Capacitive Sensors: Capacitive
sensors are used to make non contact displacement measurements with high
precision, very rapidly over modest ranges. Non Contact: Capacitive
sensing is a non contact measurement method. Because the system never
makes contact with the part there are no witness marks, parts distortion
or probe wear. In addition, because the system is non contact, high
volume measurements are facilitated because there is no sensor cycle
time. High Resolution: Only a laser interferometer offers similar
resolution to a capacitive sensor. Capacitive sensors are used in ... |
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+ Info |
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New DIN-Rail Amplifier for use with LVDTs |
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 Stellar
Technology: The new Series AP5102 is a standard DIN-rail Amplifier
for use with LVDT’s (linear variable differential transformer) requiring
AC excitation and synchronous demodulation. The AP5102 produces analog
outputs of 0-10 Vdc, ±10 Vdc, or 4-20 mA, and incorporates a DC-DC
converter which ensures that the output of the unit is isolated from the
supply. Signal inputs of 20mV to 4V are accepted. The DIN mount housing
is constructed of high-impact thermoplastic and permits easy access to
screw terminal connections for power, analog output, shunt, and sensor
signals. Zero and span adjustments are made directly from the front
panel with 25-turn trim pots. All other controls are internal including
coarse gain and zero, zero input switch, jumper links for master/slave
setting, and excitation frequency setting. All internal settings are
easily accessible by disengaging the front panel and board assembly from
the housing. The AP5102 is compatible with the complete range of Stellar
Technology AC/AC LVDT transducers, and most other manufacturers LVDT’s. ... |
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+ Info |
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A
selection of recently
published
technical
articles & products:
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New DIN-Rail Amplifier for use with LVDTs |
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 Stellar
Technology: The new Series AP5104 is a convenient DIN-rail Amplifier
for use with 4-, 5-, or 6-wire LVDT’s (linear variable differential
transformer). The AP5104 provides regulated AC excitation with remote
sensing capability for cable runs exceeding 20 feet. The AP5104 produces
filtered analog outputs of ±0-5Vdc, ±0-10 Vdc, 4-20 mA, 4-12-20 mA which
are field-selectable via the front panel. These outputs are filtered
using a low-pass active filter that removes unwanted high-frequency
measurement-signal components and thus eliminates aliasing errors.
Signal inputs from 16 to 1600 mV/V are accepted. The DIN mount housing
is constructed of high-impact thermoplastic and permits easy access to
screw terminal connections for power, analog output, shunt, and sensor
signals. All controls are external including 25-turn trim pots for Zero
and span, as well as coarse gain and zero, zero input switch, jumper
links for master/slave setting, and excitation frequency setting. The
manual or automatic phase shift adjustment ... |
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+ Info |
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Precision Capacitive Position Sensor –
Model 6810 from MicroSense |
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 MicroSense
introduces the model 6810 high resolution capacitive position sensor.
The 6810, in combination with 6000 series measurement probes, is a
non-contact displacement measurement instrument intended to provide
exceptionally high resolution, low noise measurements. The 6810 offers
state-of-the-art performance for high dynamic measurements such as motor
and spindle run out – nanometer level resolution is possible at
measurement bandwidths up to 100kHz! No other capacitance sensor
approaches this level of performance. * Designed for measuring “high
dynamic” targets that change position, rotate or vibrate at very high
speeds, including poorly grounded targets. * User selectable measurement
bandwidths up to 100 kHz for ultra-fast output response. * Non-contact
design for virtually unlimited service life. * Current MicroSense model
5810 customers can immediately improve measurement performance. The 6810
is a “drop in” replacement for customers who wish to upgrade from ... |
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+ Info |
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Tyco Electronics Presents Drive Mode and
Speed Sensor Module for Dual Clutch Transmission |
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 Tyco
Electronics: New legal requirements for fuel and CO2 reductions
require appropriate optimizations and new concepts in the powertrain.
Various automobile manufacturers developed and implemented double clutch
transmissions to reach economic targets. Due to system requirements, it
is necessary to detect the position of the drive mode lever and the
different gear speeds joined with the two individual clutches as
controlling variables. In collaboration with a leading automobile
manufacturer Tyco Electronics has developed a sensor integrated module
for detecting the drive mode and the different wheel speeds. In this
specific application the sensor module is integrated and located inside
the transmission. Due to the system safety requirements it is necessary
to have complete redundant drive mode signals. This sensor module is
based on PLCD technology (Permanentmagnetic – Linear -
Contactless-Displacement) and two hall-based speed sensors. ... |
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+ Info |
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ACANTO Absolute Length Gauge |
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 At
this year’s Control trade show, HEIDENHAIN will be presenting new
length gauges of the ACANTO Series. They are characterized by absolute
position value formation and are ideal for use in production-related
metrology, at multipoint inspection apparatuses and in automated
inspection equipment. The product is based on the optical scanning of
absolute graduations, which permits high accuracy at high resolution and
linearity over the entire measuring length. The technology behind the
scanning in the ACANTO is similar to the optical scanning in absolute
rotary encoders, which have proven themselves for years. The EnDat 2.2
interface, which is well known in the absolute HEIDENHAIN encoders,
offers a convenient status request function and diagnostic capabilities,
makes it possible to quickly put a system into operation, and permits
high clock frequency. During commissioning, the device data can be read
out over the EnDat 2.2 interface for self-configuration; during
operation, valuation numbers permit diagnostics on the quality of the
incremental and absolute tracks. In addition, OEM-specific information
can be saved in the length gauge’s memory. ACANTO length gauges are
available for measuring lengths ... |
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+ Info |
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More technical articles & products to this topic:
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors
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Tyco Electronics Presents Hall Travel-
and Rotary Sensor Platforms for Automotive Applications |
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Tyco
Electronics: In the automotive industry, development time is a key
factor for successful market positioning. Tyco Electronics’ answer for
this is a platform strategy for non-contact switches and angular- and
travel sensors. Standardized designs and production processes offer
short-term availability of fully functional sensors for functional
testing. One highlight is the hall technology based travel- and angular
sensor platform for measurement ranges up to 40mm or angle ranges of
360° (see picture). Travel and angle measurement can be realized within
one sensor package. The applied hall technology is a 2D measurement
principle which results in a significant measurement performance
increase compared to existing Hall sensors. These sensors show a high
performance related to a linearity error of only 2-3% and a temperature
drift of lower than 2%. ... |
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Precision Short Stroke LVDT |
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Stellar
Technology offers the Series LSU61X short stroke precision LVDT,
ideally suited for applications where dynamic measurement is needed but
space is limited. This DC/DC displacement sensor operates from
unregulated power supplies of +24 Vdc to +40 Vdc or dual ±12 Vdc to ±20
Vdc. Model LSU61X utilizes an internal amplifier to generate a ±5 Vdc
output signal and the internal electronics include a filter circuit. The
armature covers a stroke from ±0.10 to ±0.40 inches and is loose-fit
(unguided) in the bore of the LVDT. Precise alignment along the bore
produces a frictionless movement and long sensor life. ±0.5% linearity
is standard. Linearities of ±0.25% or ±0.1% are available as options.
Both the body and probe are constructed from stainless steel. These
units are shipped with traceable calibration ... |
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Tyco Electronics Presents PLCD Position
Sensors for Exhaust Gas Recirculation of Truck Engines |
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Tyco
Electronics: New emission laws demand new technologies for
optimization of the combustion process. Along with the addition of
chemical substances (SCR) there is also the significant technology of
exhaust gas recirculation. A pneumatic cylinder, controlling a flap,
regulates the volume of exhaust gas which is recirculated. For precise
control in this application, a displacement sensor has to fulfil these
requirements: * Safe fixture on the cylinder, * Wear free measurement
with millions of cycles of the actuator, * Very precise measurement, *
Suitable for temperatures up to 150°C, * High resistance against
vibration. For precise measurements of displacement and positions, Tyco
Electronics employs the PLCD sensor (Permanentmagnetic Linear
Contactless Displacement). As a sensor manufacturer and development
partner in the automotive industry, Tyco Electronics offers their long
experience of development and project engineering for new sensor
application systems. Diverse portfolios of electromagnetic components
and sensors are available, with modern process technologies, and are the
basis of successful products within the automotive industry. . ... |
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Submersible Long Stroke AC/AC LVDTs |
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Stellar
Technology offers submersible long stroke LVDTs with the LYU60X and
the LYS60X. These AC/AC displacement transducers are designed
specifically for applications in which the sensor is submerged in fresh
water or most other noncorrosive liquids and gases for prolonged
periods. These displacement transducers are ruggedly constructed of all
stainless steel and are able to withstand harsh underwater environments
as found in mining, upstream oilfield, geophysical, and industrial
processes. Model LYU60X features an unguided armature with a stroke
range from ±0.5” to ±8”; while the LYS60X has an internal spring return
and a ±0.5” to ±3” stroke range. Both units deliver ±0.5% linearity and
are built to withstand pressures from 145 psi to 3000 psi. Linearities
of ±0.1 and ±0.25% are available options on many units. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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Laser Triangulation up to a distance of
2m |
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Measurement
technology company Micro-Epsilon has launched a new laser sensor
with a 1m measuring range. The optoNCDT 1710-1000 sensor has a measuring
range that starts from a distance of one meter from the sensor, so
displacement can be measured at a distance of 2m from the sensor. The
sensor comes with an integrated controller in a compact 200mm x 83mm x
48mm housing. The diameter of the light spot is constant across the
complete beam path. With a measuring rate of 2.5kHz, the sensor is
technically superior to existing alternative sensors on the market,
providing 100µm resolution without averaging. 4 … 20 mA, 0 … 10V, RS422
or USB outputs are available. The optoNCDT 1710-1000 is used for
measurement objects that have a high degree of freedom or movement.
Other potential applications are in harsh ambient conditions, where the
sensor has to measure onto the object from a safe distance or if the
target is in a vacuum. The sensor also ... |
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Tyco Electronics Presents Sensors for
Detection of Neutral Position on Manual Transmissions -
Start-Stop-Application (Mild Hybrid) |
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Tyco
Electronics: New legal requirements for fuel and CO2 reductions also
require appropriate optimizations in the powertrain. Various automobile
manufacturers have developed and implemented Start-Stop systems
currently on the market Due to system requirements, it is necessary to
detect the transmission neutral position as one of the controlling
variable. In collaboration with a leading automobile manufacturer and
two gearbox suppliers, Tyco Electronics has developed a contactless
sensor for detecting the neutral position at various manual
transmissions. This sensor is based on PLCD technology (Permanentmagnetic-Linear-Contactless-Displacement
sensors).
A permanent magnet, located at the shifting shaft, serves as the target
object, whose position will be reflected in the neutral zone. The PLCD
sensor is mounted on the outside of the gearbox and detects the neutral
position of the transmission. Due to the functional principle of a
non-contact system, mechanical wear is avoided and the system
requirements of measurement ... |
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Subsea LVDT Series is Submersible to 7,500 ft. |
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Stellar
Technology: The Series LWU is a family of submersible LVDT
displacement transducers available in either DC or AC versions. These
units are specifically designed for use in sea water and other
submersible environments, including many corrosive liquids. The LWU
Series features unguided armatures with stroke lengths from 0.5” to 4”
and linearity of +/- 1%. Operating temperature is from -40 to 140 deg.F.
The LWU60X is an AC/AC unit with v/v output. The LWU61X and LWU65X are
DC/DC units with outputs of +/-5 Vdc or 0-10 Vdc and 4-20mA,
respectively. The LWU units are made of 316 stainless steel, and are
fully welded. The heavy duty construction makes these units able to
endure the most rigorous applications including 10 years submersion in
seawater at a depth of 7500 ft. (2300 m). The free unguided armature
design allows non-magnetic fluids to enter the transducer body without
affecting the operation of the transducer. In addition, this thru-hole
design ... |
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High Accuracy Gauging LVDT |
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Stellar
Technology, Inc.: The Model LPS60X AC/AC LVDT is designed for
precision displacement and position measurement for quality assurance
applications in industrial environments. These high accuracy
displacement sensors are constructed of stainless steel and utilize a
ball probe to smoothly interface with the target. The spring guided
armature is supported with precision linear ball bearings to ensure
excellent repeatability, high life cycle, and stable overall performance.
The compact LPS60X LVDT’s Series measures displacement from ± 0.02
inches to ±0.2 inches, with 0.25% linearity, and infinite resolution.
Operating temperature is from -40° to 212°F. The unit features a 6’
integral Polyurethane insulated cable which is resistant to oils and
chemicals. All Series LPS60X displacement transducers are shipped with
traceable calibration certificates. Mounting brackets, alternative
electrical connectors and a variety of probe tips are optionally
available. ... |
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Sensors for wind turbine systems |
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In
its latest brochure, measurement technology specialist Micro-Epsilon
is presenting new possibilities for displacement measurement, profile
and temperature measurement of wind turbine systems. The brochure
provides details on the specific benefits associated with the use of
sensors in specific applications and describes the sensor required for
this. For example, highlighted are the condition monitoring
possibilities that arise from the use of IR temperature sensors. Amongst
other things, the thermoMETER CT sensors are used for the temperature
measurement of the generator windings or for the rotor gearbox.
Noticeable, abnormal temperature developments indicate a technical
problem, which can then be rectified before any major repairs are
required. Minimising shutdown times is therefore possible. In addition
to temperature measurement, examples of displacement measurement and
profile measurement for quality assurance purposes during the
manufacture of ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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High-Performance Eddy Current Sensor
Offers Improved Displacement Measurements |
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Lion
Precision: The ECL101 Eddy-Current displacement sensor is an
improved, CE compliant version of Lion Precision’s original ECL100
sensor. The ECL101 noncontact sensor offers improvements in immunity to
electromagnetic interference (EMI) and thermal stability as well as
lower power consumption. The linear output sensor is available with a
selection of probes offering measurement ranges from 0.5mm to 15mm, and
features a unique front panel range indicator to alert the operator to
out-of-range conditions. The sensor has applications in any industry
requiring precision noncontact displacement measurement, especially in a
hostile environment involving fluids or debris in the measurement area ... |
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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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Eddy currents – magnetically controlled |
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Due
to be launched at the Hanover Trade Show and Sensor + Test, is a new
product range from Micro-Epsilon called mainSENSORs
(“Magneto-inductive”). The standard MDS-40 M30 industrial version has a
40mm measuring range and an M30 cylindrical stainless steel housing. The
OEM alternative, the MDS-40MK, has a miniature square plastic housing
and also provides a 40mm measuring range. Other advantages of these
sensors are their very compact design relative to the measuring range,
as well as extremely attractive price-performance ratios. Over many
years, Micro-Epsilon has been renowned as a specialist supplier of eddy
current displacement sensors. This technology enabled the technological
core of the new sensors range to be developed. The new sensors offer a
combination of high speed and high resolution measurements. The sensors
also benefit from extremely high basic sensitivity and temperature
stability. A small permanent magnet on the measurement object is used as
the target ... |
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AC-Powered Long Stroke LVDT |
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The
new Series LLS60X from Stellar Technology is a high performance
long stroke LVDT displacement transducer with a spring return armature.
The armature is restrained and guided by an ultra-low friction bearing
assembly and the internal spring automatically positions the armature to
its full extension. This design is used where it is not possible to
connect the transducer armature to the moving part being measured. The
compact size of the LLS60X series makes it ideal for limited-space
applications requiring a stroke range from ± 0.5” to ± 3.0”. These
displacement transducers are ruggedly constructed of stainless steel and
able to withstand harsh environments where high ambient temperature or
vibration is present. LLS60X displacement transducers can be specified
with either ±0.5% or ±0.25% linearity. Each unit is shipped with
traceable calibration certificates. We invite you to visit the Stellar
Technology website (www.stellartech.com) and review our comprehensive
offering of load cells, force sensors, pressure transducers and
transmitters, temperature transducers, and instrumentation ... |
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Capacitec High Temperature Non-Contact
Displacement Sensors Offer Performance to +1000 °C in Manufacturing and
Testing Applications |
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Capacitec,
Inc., a global leader in the design and manufacture of non-contact
capacitive displacement, gap and parallelism sensing technologies for
scientific and industrial customers, has announced the successful
application of high-temperature non-contact displacement sensors within
disc brake wear analysis, glass manufacturing and aircraft engine
testing applications. Since the 1970’s, Capacitec high temperature
non-contact sensing technology has been in use in North America, Europe
and Japan to solve the most demanding applications, measuring
displacement of up to 0.4” (10 mm), within extreme temperature
environments where resolution of one micron or better is a requirement,
such as: * In-vehicle disc brake wear analysis. Capacitec Model
HPC-150C-H sensor assembly offers small size (OD 9.5 mm), large range
(2.5 mm) and 0.25 micron resolution. Operating at +400 °C, they are used
to test runout, thickness variation, coning, wobble and thermal
expansion of disc brake rotors. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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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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Electromechanical NC Joining Module NCFB – a Low-Cost Alternative |
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Kistler's
electromechanical joining modules facilitate automation of
force-displacement monitored joining and press-fitting processes. The
new NC joining module NCFB Type 2160A... has been specially designed for
standard joining processes and is an enhancement of the existing
product range. With its cost-optimized design, it offers a more
favorable price/performance ratio. The piezoelectric force sensor
integrated into the robust case offers a choice of two predefined
measuring ranges, 50 kN and 25 kN, for precision force measurement. Even
deep end points such as the position of bearings in half-shell gear
boxes can be easily reached with a 400 mm stroke. The speed of up to 150
mm/s offers a quick return stroke and hence a short machine cycle, even
for a long idle stroke. The use of the absolute encoder, which is part
of the standard equipment on all Kistler NC joining modules, eliminates
the need for reference point determination even during operation. The NC
Compact Firmware (2159A…), which is integrated into the servo
controller, is perfect for simple force displacement evaluation ... |
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Precision sensory in medical technology –
the use of foil sensors in medical appliances |
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Sensor
elements are used in numerous ways to measure and control changes and
deviations. For many years Metallux AG, located in Korb near
Stuttgart, supplies the medical industry with mostly custom specific
products. The new flexible foil sensor MetaPot is used as a linear and
angular sensor in custom specific applications. Safety, precision,
soundness and reliability are a hallmark of this new generation of foil
sensors. Medical instruments and products need to comply with the
highest demands. Be it for diagnose, treatment or as an aid to
compensate for disability or ailments – sensor systems will be called
upon in most instances. The medical technology consists of various
areas. These are from diagnose and treatment of illness to therapy and
rehabilitation up to improvement for people with disabilities and to
support their mobility. Following examples in diagnose, treatment,
therapy and rehabilitation will show, how important sensory has become
in medical technology. Infusionpump syringes are used for consistent
dosage of medication. It is important that dosage is always consistent.
Sensors are used as precise measurement system to ... |
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Noncontact Displacement Sensor for National Instruments CompactRIO
System |
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Lion Precision: The new ECD140 sensor, scheduled for release in
Q4 2009, will add displacement and position data to test, measurement,
and control systems designed around National Instrument’s CompactRIO
architecture. Based on eddy-current (inductive) sensing technology, the
new sensor provides displacement measurements of conductive targets with
sub-micron resolutions and measurement ranges of 2mm to 3.5mm. Other
ranges are also available upon request. A fully functional ECD140 will
be demonstrated during NI Week in Austin, Texas August 4-6 (www.ni.com/niweek).
The CompactRIO system from National Instruments is an open, expandable
system powered by LabVIEW. The system allows hot swapping of a multitude
of modules to quickly configure a data acquisition system. No other
noncontact displacement sensor module is available for the CompactRIO
system ... |
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Measuring principle for low cost displacement sensors |
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Micro-Epsilon
has developed a completely new displacement measurement principle with
its new Magnetic Displacement Sensor (MDS). In contrast to the widely
used Hall Effect principle, the MDS is based on a method patented by
Micro-Epsilon, which is based on a linear relationship between the
position of the magnet and the output signal. As printed coils are used
for this measurement principle, the manufacturing method does not depend
on semiconductor processes. This makes customer-specific adaptations
considerably easier. The sensors have an extremely high basic
sensitivity, which enables a very simple and low cost evaluation
circuit. With an eddy current sensor as the technological core, very
fast, high resolution versions can be achieved. Compared to Hall Effect
sensors, much larger measuring ranges (currently 60mm limit) can be
achieved. In addition, significantly smaller magnets are required as the
target. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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Linear- and rotary sensors, new custom specific designs |
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Metallux AG: Next to the innovative contact less linear sensor MMP,
which features high accuracy in even the smallest dimensions, additional
custom specific rotary sensors like the PLL 95° as well as the POS 50
were added to the range. Rotary sensor PLL 95°: Metallux PLL 95° is a
favourably priced rotary sensor, fulfilling the highest demand on
quality and performance. The sensor is easy to install. The robust
design and the plastic housing will resist oils and greases. A sleeve
bearing ensures a high lifecycle. Rotary sensor PLL 95° ... |
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The New BPS 8 Barcode Positioning System |
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The
new BPS 8 position measuring system from Leuze electronic enables
positioning with millimetre accuracy at distances of up to 10,000 m in a
very simple manner. Used together with the MA 8 connector unit, the
system makes possible economical solutions in industrial environments.
Optical measurement techniques are especially well suited for position
determination of rail-mounted industrial trucks, suspension tracks,
crane systems, high-bay storage devices or similar automatically moved
systems. They function without mechanical wear and slippage. With the
barcode positioning systems (BPS) from Leuze electronic, positions can
also be precisely determined along horizontal and vertical paths. By
means of a visible red light laser, the measuring unit of the BPS reads
the position relative to the barcode tape. The code that is read in the
scanning area of the laser beam is used to calculate the position from
code information and code position with millimetre accuracy. ... |
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OptoNCDT1402 laser sensor from Micro-Epsilon |
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The
new optoNCDT1402 laser sensor from Micro-Epsilon replaces the
company’s previous optoNCDT 1401 product. The new sensor provides
improved performance and extreme flexibility. This flexibility comes
from a brand new Teach-In function, which can be used to limit or change
the measuring range for each application. In this way, both the
resolution and the linearity of the sensor in the pre-set measuring
range can be significantly improved. This is of particular benefit in
applications where only a small measuring range but high performance is
required. The flexibility of the optoNCDT 1402 is further enhanced by an
integrated swivelling cable connector, which can be used to change the
direction of the cable output to suit the individual application. By
utilising a CMOS sensor, the optoNCDT 1402 has an increased measuring
rate of 1.5kHz making it suitable for rapid processes. An RS422 digital
interface is provided, as well as analogue current / voltage output. As
before, the new series comprises seven sensors, which have measuring
ranges between 5mm and 250mm. Together with the integrated controller,
the very compact design makes mounting faster and easier and
installation is possible in restricted spaces. Due to its very
effective, real time compensation process for the changing reflection
characteristics of different target surfaces, the optoNCDT 1402 sensor
is ... |
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Compact Electromechanical NC Joining
Systems for Efficient Assembly now with 15 kN Nominal Joining Force |
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With
its well-proven electromechanical NC joining modules such as NCFH Type
2151B…, Kistler offers a particularly compact and high-precision
system solution for a wide range of press-fitting and joining tasks with
integral force displacement monitoring. This series has now been
enhanced with a new joining module with a 15 kN nominal joining force.
The smaller size 1 electromechanical NC joining modules NCFH Type 2151B…
are therefore now available with nominal joining forces of 10 and 15 kN
and in various measuring range combinations from 1 kN to 15 kN. Size 2
covers joining forces of 30 and 60 kN and measuring range combinations
of 15, 30 and 60 kN. The two new types differ from the established 10 kN
version by a strengthened construction on the same compact space. With
the piezoelectric force sensor, there is a choice of a second measuring
range of 5 kN (Type 2151B15052001) or 2 kN (Type 2151B15022001). These
NC joining modules are mechanically and electrically compatible with the
existing sizes ... |
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Non-contact displacement sensor, Laser
distance sensor / “Adaptable laser sensors with teach function” |
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ELTROTEC:
For tasks in measurement machine builders, measurement technicians and
R&D engineers require laser displacement sensors with adaptable ranges
at highest resolution , high frequencies, all adaptable interfaces – at
an economical price. With the newly designed displacement sensor LDS 72
from ELTROTEC Sensor GmbH the above requirements will be perfectly met.
7 ranges from 5 to 250 mm for all technical surfaces, 3 ranges from 5 to
20 mm for distance measurement on glass surfaces will be available with
resolutions starting at 0,6 μm. Adjustable frequencies from 1500 Hz to
375 Hz as well as RS 422/115,2 Kbaud, 4-20 mA and 1-5 VDC interfaces are
available. For each range the beginning and end of the measuring range
can be teached. This teached measurement range will be adjusted to the
full analogue output at full resolution so that the full analogue output
is always available – the latest development in this range. The 250 mm
range is for high-vibration applications available in 20 g protection
class – an advantage whenever high accelerations of large weights are to
be measured. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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NC Compact System Speeds Setting Up of NC
Joining Modules with Force-Displacement Monitoring |
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Kistler:
Standard joining processes, such as pressing bearings onto shafts, can
be flexibly and reliably automated by the use of electromechanical NC
joining modules from Kistler with integral force-displacement
monitoring. Kistler's new NC Compact System now makes setting up and
operation of these modules quicker and easier. As a closed system with
integral controller and firmware it cuts capital expenditure and
installation costs, reduces susceptibility to faults and facilitates
integration into existing on-site control environments. In addition to
the NC joining module with matching IndraDrive servo controller, NC
Compact System consists of firmware (NC Compact (Type 2159A)) and
operating panel (Type 2158A) with 5,7" TFT touch screen display. The
operating panel is used for configuring the parameters of a standard
joining process, visualizing the process and backing up data. As it is
not needed for ongoing operation, a single panel is sufficient for
configuring the parameters of several joining modules. The NC Compact
firmware is preinstalled in the IndraDrive servo controller. It includes
up to 16 programs with force-displacement monitoring and integral
sequence control. ... |
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Laser Triangulation System |
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MTI
Instruments Inc.: MTII's Microtrak family of laser triangulation
sensors offer high speed, high resolution displacement, position and
vibration measurements. The Microtrak features state-of-the-art CMOS/CCD
laser triangulation technology which is ideal for solving tough in-proceess,
production and quality control applications. The large variety of laser
triangulation sensors provide operating distances to 300mm, measurement
ranges to 200mm and measurement resolution to less than 1 micron. The
Microtrak II comes standard with an interface controller that provides a
convenient digital display of the target position, alarm set points and
connections for analog and RS-485 outputs.. ... |
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Magnetic cylinder sensors - Exact
detection of piston positions |
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Baumer
Electric: The new, magnetic T and C slot cylinder sensors from
Baumer are employed to detect the exact position of pistons in pneumatic
cylinders. Many automation technology applications require pneumatic
cylinder movements of to be closely monitored and the exact piston
position to be detected. In order for the sensor to achieve a precise,
repeatable switching behavior, each sensors activation sensitivity is
exactly defined and individually tested. The compact and rugged plastic
housing offering IP 67 protection provides reliable operation even under
the harshest and most moist conditions. The MZTK 06P1003 line of sensors
for T slots can be easily and quickly installed in the slot from above.
No cylinder disassembly is required, even if both front faces are
equipped with installation panels. The universally applicable standard C
and T slot sensors can also be used for round cylinders and cylinders
with tie-rods. Baumer offers various accessories which permit this. The
result is a reduction of the required sensor types and a simplification
of the warehousing. All sensors are available in ... |
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World’s smallest inductive encoder |
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POSIC
introduces the world’s smallest incremental inductive encoder kit ID1101
for linear and rotary applications. It measures only 8.7 x 6.3 mm with a
thickness of 0.8 mm and has an A quad B output stage that runs up to a
frequency of 200 kHz. The linear/rotary target is a 0.8 mm thick
strip/disc that comes in different lengths/diameters. The linear
resolution ranges from 1 um at a speed of 0.5 m/s to 150 um at 50 m/s.
The rotational resolution depends on the disc diameter and is for
example 12 bits (1024 A-B pulses per revolution) with a 30 mm diameter
disc. Typical applications are in the motion-control domain with
magnetic actuators like brushed and brushless motors, voice coil
actuators, linear drives and more. Markets served include industrial,
automotive, robotics, medical, instrumentation, laboratory automation,
office equipment. Evaluation kits with linear or rotational targets are
available from stock. ... |
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High-grade steel sensors - Install and
forget |
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This
is the motto behind Baumer's new high-grade steel sensors. Baumer
is now introducing a generation of high-grade steel sensors that can be
used in virtually any product. Combining this with Baumer's signature
sensor miniaturization allows simple integration of the sensors into
customer-designed housings. With decades of experience in temperature
and pressure sensors, its product range has been expanded with many
innovations in the position sensor area. Inductive sensors that are now
indispensable for automation tasks are being offered in various 1.4404
all-metal versions. Enhanced EMC immunity and expanded temperature
ranges up to +100 °C are special features of these sensors. They are
available from a diameter of 6,5 mm. Laser distance sensors with
accuracies down to the µm range can be used easily both outdoors and in
the process area. Protection classes up to IP 69K and their
insensitivity to ambient light up to 100 kLux make these sensors unique.
Baumer is also setting new standards with the VeriSens® family of vision
sensors. The rugged high-grade steel housing is resistant to most
aggressive media and suitable for use in the food or pharmaceutical
industries. The variety of integrated vision sensors, ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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Eddy current sensors in tribology testers |
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Eddy
current sensors from Micro-Epsilon are once again being used in a
new high-performance test system at the Institute for Tribology at the
Clausthal Technical University. The new tester, which is currently under
construction, will be used to examine the tribological, flow mechanics
and rotor dynamic processes of highly loaded sliding bearings at maximum
circumferential speeds of the shaft. Based on previous positive
experiences with Micro-Epsilon eddy current sensors used on existing
testers for examining hydrodynamic radial plain bearings or plain
bearings with particularly high loads, eddyNCDT series sensors will also
be used in the new tester. In doing so, the shaft reaches
circumferential speeds of up to 200m/s; conventional test systems
achieve a maximum of 120m/s. The position of the test bearing housing
and the relative movement between the rotor and the test bearing is
detected in the tester using eddy current displacement sensors. The
bearing gap of the plain bearing between bearing surface and rotor is
also measured using
eddy current sensors. Or this, 22 sensor channels
will be integrated in the test structure. Miniature eddyNCDT sensors
with 0.5mm measuring range are used due to their high cut-off frequency
and high resolution. Another key criterion is the sensor’s small
installation footprint. Therefore, measuring points for very tight
installation requirements are possible without requiring any disruptive
modifications to the test design. High environmental compatibility is
also a key reason for selecting eddy current sensors: oil or water in
the measuring gap ... |
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Noncontact position sensor exploits FPGA
technology for higher performance |
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The new ECL202 eddy-current displacement sensor /position sensor has
significantly improved thermal stability and immunity to electromagnetic
interference (EMI) as well as improved linearity and resolution. The
sensor employs FPGA technology enabling complex, proprietary
mathematical algorithms to achieve higher performance levels than purely
analog methods. According to Don Martin, president of Lion Precision,
“Using FPGA digital processing techniques, we can achieve performance
that simply is not possible with discrete analog electronics.” Digital
technology can very precisely detect the sensor’s signal and more easily
differentiate it from other electrical signals present in the sensing
environment. This means the sensor continues to work well in
electrically noisy environments such as near motor controllers or other
high-power switching electronics. Using this same proprietary method,
multiple ECL202 sensors can be positioned near each other without the
mutual interference usually experienced with eddy-current sensors. ... |
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Microtrak II - Laser Triangulation
Systems |
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High
speed laser sensor utilizing the latest CMOS / CCD technologies ideal
for industrial/process automation and quality control applications.
MTI Instruments Inc.: High Speed Laser Sensor utilizing the Latest
CMOS / CCD Technology. The Microtrak II features state-of-the-art CMOS
laser triangulation technology for precise measurements of displacement,
position, vibration and thickness. Unaffected by surface texture, color
or stray light, the Microtrak II Laser Measurement System is ideal for
solving tough production applications throughout a variety of
industries. Applications: * Thickness, * Warpage, * Alignment, *
Displacement, * Vibration, * Step Height, * Run-out, * Go/No Go
Decisions, * Presence/Absence, * Fill Height, * Flatness, * Profile, *
Thermal Expansion/Contraction, * Structural Dynamics, * Dimensional
Gauging. ... |
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Sealed linear transducer for rugged industrial applications |
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Penny
+ Giles has launched a new contactless sealed linear transducer that
provides reliable, fit-and-forget position sensing for rugged industrial
applications. The robust SLT190 is aimed primarily at the off-highway
(construction, agriculture) and utility vehicle markets and is suitable
for the harsh conditions of steering position applications, lift
mechanisms, and hydro-pneumatic active suspension systems. This
transducer has a short body to stroke length ratio for compact
dimensions making it ideal as a replacement for existing linear
potentiometers whilst providing a significant cost saving over
equivalent stroke inductive transducers. The SLT190 provides a range of
14 different strokes between 25 and 500 mm. It uses proven inductive
technology, with no electrical sliding contacts, and as a result, has a
virtually limitless life. It provides reliable, absolute analogue
position measurement with an infinite resolution. ... |
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Position Sensors for all your solutions! |
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For over 40 years now, Crouzet/CST (Custom Sensors &
Technologies), the sensors division of Schneider Electric, has been
assisting its customers in the design and creation of automation
products to meet all their equipment and industrial machinery needs,
whatever their business sector. The quality of the Position Sensor range
is inherent from the outset - from the product's design right through to
its integration at the heart of your application, it meets the growing
demand for customisation. In addition to its complete range of
microswitches and digital position sensors, as a specialist in the
"Sensors" domain, Crouzet/CST offers a wide range of analog position
sensors, thus helping its customers as they change over to a different
technology. In developing its expertise in the field of analog position
sensors and especially in its capacity to design customised products,
Crouzet relies on its dedicated position sensor Design Office, where
adapted products can be designed and industrialised for all types of
sensor. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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Universal Conditioning Module for inductive transducers |
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Penny
+ Giles, designer and manufacturer of high precision position
sensors, has launched a new Universal Conditioning Module (UCM) that
provides reliable signal conditioning for a wide range of analogue
inductive transducer types. The module can work with any manufacturer’s
transducer and is suitable to drive 4, 5 or 6 wire differential LVDTs,
ratiometric LVDTs and 3 wire inductive half bridge transducers (or RVDT
equivalents). UCM has a low current requirement of less than 10mA and
can be linked and synchronized with up to 50 modules in one network for
multiple channel measurement systems. The UCM provides a simple 0.5 to
4.5Vdc analogue signal output, or by using additional module cards, into
a variety of different voltage ranges, a current output, or digital PWM
output. It normally operates from an unregulated 10 - 30Vdc supply. ... |
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Fiber Optic Measurement Systems |
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MTI
Instruments Inc.: MTII offers advanced fiber-optic based measurement
instruments and sensors for displacement, position and vibration
applications. With frequency response to 500 kHz and resolution to 2.5
Angstroms these sensors are ideal for high performance measurement
applications that require non-contact sensing technology. High
resolution vibration measurements are provided through MTII's MTI-2100
Fotonic sensor which offers both digital and analog outputs of vibration
and displacement. Customized fiber-optic probes are available for high
temperature and harsh environment applications. ... |
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In-cylinder transducer offers reliable position sensing |
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Penny
+ Giles has launched a new in-cylinder linear displacement
transducer for small bore mobile and static hydro-pneumatic actuators.
The ICT050 provides reliable, fit-and-forget position sensing of the
cylinder rod in actuators with strokes up to 500mm. It is a robust,
non-contact transducer that works on an inductive coil principle, with
virtually infinite resolution and is capable of withstanding
temperatures up to 200°C and working pressures up to 500Bar. The new
transducer is aimed primarily at the off-highway (construction,
agriculture) and utility vehicle market. Its robust construction is
ideal for the harsh conditions of lifting and steering position
applications and hydro-pneumatic active suspension systems. ICT050 has a
very efficient body-to-stroke ratio. The overall length is only slightly
longer than the working stroke length, facilitating a much more compact
installation than can be effected with traditional linear transducer
designs. The stroke range covers 25mm to 500mm stroke actuators and the
transducer body ... |
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MICROTRAK II Stand-alone laser sensors,
Laser Triangulation Systems |
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High
speed laser sensors designed to operate independently, without a
controller, for high volume OEM, production and QC application. MTI
Instruments Inc.: MTII now offers the performance of our standard
Microtrak II Laser Triangulation System in a versatile high speed
stand-alone configuration for measuring displacement, position,
vibration and thickness. Unaffected by surface texture, color or stray
light, the Microtrak II is ideal for solving tough production
measurement applications throughout a variety of industries. The new
Microtrak II Stand-Alone Laser Head uses the latest CMOS - CCD detection
technology for accurate and reliable measurements making it ideal for
high volume OEM, production and quality control applications.
Configuration of system parameters such as measurement units, frequency
response and cut time are easily accomplished through a laptop or
desktop using the included MTII proprietary Remote Control Software
program. Applications: * Thickness, * Warpage, * Alignment, *
Displacement, * Vibration, * Step Height, * Run-out, * Go/No Go
Decisions, * Presence/Absence, * Fill Height, * Flatness, * Profile, *
Thermal Expansion/Contraction, * Structural Dynamics, * Dimensional
Gauging ... |
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Capacitance
Measurement Systems |
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MTI Instruments Inc.:
Highly accurate, stable capacitance measurement sensors and probe
systems for a wide variety of displacement, position, vibration and
dimensional gauging applications. Our Accumeasure product line consists
of single and multiple channel capacitance rack systems that can accept
up to 10 capacitance sensors with individual analog measurement outputs.
Custom OEM capacitance sensors are available for intergration into
machine tools and inspection systems with linearity to 0.01% of the
measurement range. ... |
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Find
all manufacturers and suppliers of
displacement sensors
linear position sensors |
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MTI-2100 FOTONIC - Fiber Optic
Measurement Systems |
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Extremely
high resolution fiber-optic sensor for vibration and displacement
measurements. MTI Instruments Inc.: The MTI-2100 features
advanced fiber-optic and electronic technologies for precise
measurements of displacement, position and vibration. It sets new
performance standards with resolution up to 0.01 uin. (2.5 Angstroms)
and frequency response from direct-coupled (dc) up to 500 kHz. The
MTI-2100’s modular design has the flexibility to be tailored to specific
requirements through the use of a wide range of interchangeable and
custom fiber-optic probes. These probes are immune to electromagnetic
interference (EMI) and operate on almost any type of surface: metallic,
composite, plastic, glass, ceramic or liquid. Applications: * Modal
Analysis, * Ultrasonic Horn Vibration, * Displacement, * Position
Sensing, * Fatigue Testing, * Surface Flaw Detection, * Edge Detection,
* Piezo Motion, * Bearing Analysis. ... |
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Accumeasure 1500 - Capacitance
Measurement Systems |
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Affordable,
multi-channel capacitive measurement sensors for a wide variety of
general gaging applications. MTI Instruments Inc.: Affordable
Non-contact Gaging Sensors. The Accumeasure 1500 is a multi-channel
capacitive displacement sensor for production, quality control or
laboratory applications. With a frequency response up to 5 kHz, and low
noise levels, it is ideal for a multitude of general gaging
applications. Using a patented approach, the probe to target gap is
converted to a linear 0-10 Vdc output. Displacement, position or
vibration is presented on the digital display, or can be output to an
oscilloscope or data acquisition system. Optional push/pull probes are
available for ungrounded targets. Applications: * Dimensional Gaging, *
Shaft Runout, * Structural Analysis, * Film Thickness, * Motor
Vibration, * Micro-Positioning, * Web Thickness, * Alignment, * Leveling ... |
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Accumeasure MicroCap - Capacitance
Measurement Systems |
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Custom
High Accuracy OEM solutions for micro-positioning and feedback control
applications. MTI Instruments Inc.: The Accumeasure MicroCap is a
compact, custom designed, OEM capacitance system for high-precision
non-contact measurement. It provides exceptional value and offers
sub-nanometer resolution, extremely high stability and fast response
time, making it ideal for micro-positioning, thermal correction,
focusing and closed loop control applications. The MicroCap utilizes
MTII’s latest capacitance amplifier design, backed by nearly 50 years of
product line history and thousands of installations worldwide.
Applications: * Servo-loop positioning control, * Precision dimensional
gauging, * Lens adjustment/focusing, * Flatness and profile
measurements, * Vibration monitoring, * Shaft run-out and analysis, *
Thermal expansion monitoring ... |
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ACCUMEASURE 5000 - Capacitance
Measurement Systems |
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High
frequency capacitive measurement sensor for displacement, vibration and
runout measurements with nanometer accuracy. MTI Instruments Inc.:
High-Precision, Non-contact Displacement and Vibration Measuring System
with Nanometer Accuracy. The advanced amplifier circuitry provides a
frequency response from dc to 20 kHz with a corresponding noise level of
0.01 mV rms/Hz√0.5 The Accumeasure 5000 can be used with any of MTI's
standard or custom designed miniature sensor probes for unmatched
linearity, stability and resolution. The Accumeasure System 5000 is
available in either single or dual channel designs. The dual channel
model includes a summing amplifier for applications that require sum or
difference measurements. Applications: * Spindle Runout, * Displacement,
* Flatness, * Engine Dynamics, * Positioning, * Profiling, * Vibration,
* Structural Dynamics, * Dimensional Measurements ... |
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ACCUMEASURE 9000 - Capacitance
Measurement Systems |
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Ultra-high
precision capacitive measurement sensor offering nanometer accuracy and
stability. MTI Instruments Inc.: An Ultra-high Precision
Capacitance Gage Offering Nanometer Accuracy. Outstanding accuracy,
stability and repeatability are the hallmarks of the Accumeasure System
9000, a high-resolution, capacitance-based instrument that provides the
perfect solution to many previously unattainable measurement
applications. Fast response time and extremely low noise levels make it
ideal for critical measurements of targets such as rotating
spindles/shafts, disks, tires, X-Y stages and semiconductor wafers. The
AS-9000 delivers nanometer level resolution for ultra-high-precision
measurements - each and every time. It is portable, lightweight,
compact, and setup is fast and easy. Applications: * Positioning, *
Vibration, * Profiling, * Displacement, * Go/no-go Decisions, *
Focusing, * Thickness, * Dimensional Gaging, * Alignment ... |
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