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Micro-Epsilon will showcase displacement sensors and non-contact temperature measurement products for subsea oil and gas applications at Instrumentation Scotland and Offshore Systems 2010.

The company, which will be found on Stand 703 at the event, which is scheduled to be held on 8-9 September, will display draw-wire sensors, eddy-current displacement sensors, thermal imagers and inline process temperature sensors.

Micro-Epsilon’s Wiresensor range of draw-wire (string-pot) displacement sensors can use three main measurement methods: a multi-turn potentiometer, an incremental encoder or an absolute encoder.

One of these devices is mounted onto the drum axle, converting the rotary motion of the drum into a signal that can be evaluated.

The measured displacement can be output as an analogue current, voltage or potentiometric signal.

For a digital output, there is a choice of HTL or TTL, with interfaces for most of the common fieldbus systems, including Canopen, SSI and Profibus.

As with traditional tape measures, the Wiresensor series is capable of measuring around corners and edges.

Micro-Epsilon supplies deflection pulleys as accessories that deflect the steel wire in the desired direction.

The sensors cover a measuring range from 50mm up to 50m.

Options are available for harsh environments (including subsea), with an IP67 version offered.

Chris Jones, managing director at Micro-Epsilon, said: ‘Our draw-wire sensors are being used in a wide range of applications, from general industrial machinery and scissor lifts, through to more specific uses such as pneumatic and hydraulic systems, forklift trucks and subsea oil and gas systems.

‘Our Wiresensor range is very popular with machine builders and OEMs [original equipment manufacturers] who require low-cost, robust, reliable sensing solutions that can be easily integrated into their customers’ existing machines, components or control and automation systems,’ added Jones.

Visitors to the company’s stand will also be able to see the new range of eddy-current Embedded Coil Technology (ECT) sensors.

ECT is said to overcome the previous limitations associated with using eddy-current sensors.

Thanks to its ultra-compact design and by using inorganic materials in its construction, the new EddyNCDT ECT sensors provide almost unlimited scope in terms of the external design and geometrical shape of the sensor.

This means that sensors can be adapted for almost any use, including subsea oil and gas applications.

EddyNCDT ECT sensors offer extreme mechanical robustness, resulting in longer service intervals and a higher temperature stability, according to Micro-Epsilon.

The complete circuit electronics are integrated into the sensor itself, providing a more compact solution for OEMs and machine builders.

The sensors are suitable for harsh environments, including high vibration, impact shocks, high pressure/vacuum and high operating temperatures up to 350C.

Sensors have also been produced with extremely low thermal drift and with temperature errors of less than 20ppm/K.

As well as displacement sensors, the company will also be showcasing a range of non-contact temperature measurement products, including thermal-imaging cameras and inline process temperature sensors.

After recently setting up a partnership agreement with Flir Systems, a supplier of infrared thermography systems, Micro-Epsilon is now able to offer the Thermoimager I series of handheld thermal-imaging cameras, as well as its own inline process temperature sensors.


With over 45 years experience and more than 15,000 customers worldwide, Micro-Epsilon understands the need for accurate, robust, intelligent sensors and measurement systems.

With over 45 years experience and more than 15,000 customers worldwide, Micro-Epsilon understands the need for accurate, robust, intelligent sensors and measurement systems.

If you are measuring any type of displacement / position, temperature, speed or colour parameters, Micro-Epsilon sensors and systems provide market-leading performance, together with the fastest measuring rates, highest operating temperature ranges and smart interface capabilities. From simple, low cost sensors to high volume, customer-specific OEM solutions, Micro-Epsilon will have athe correct measurement solution for your application.

Using both contact and non-contact measurement techniques, Micro-Epsilon boasts one of the largest ranges of displacement sensors including 1D, 2D & 3D laser optical, confocal chromatic, eddy current, capacitive, inductive, draw-wire and time-of-flight technologies. Measuring ranges are from nanometers to kilometers!

For temperature measurement, there is a comprehensive range of non-contact infrared temperature sensors and thermal imaging cameras capable of measuring up to that include intelligent software packages to support configuration, analysis and management during the application. LED analysers, fibre optic sensors and Colour recognition sensors measure true colour using L*A*B and CIE.

Micro-Epsilon sensors are used throughout almost all industries: from automotive to aerospace, motorsport to metal production, semiconductor to subsea. Whether it’s an R&D, test, inspection, OEM or a process control application, Micro Epsilon measurement engineers can provide the right measurement solution.

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