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Micro-Epsilon has expanded its range of non-contact infrared temperature sensors to include a programmable two-wire loop-powered version.

The Thermometer CSmicro 2W sensor is a 4-20mA loop-powered device that measures temperatures from -30C up to 1,600C.

The processing electronics are integrated in the cable itself, making the sensor a compact programmable pyrometer.

The sensor features inbuilt processing/conditioning electronics to linearise the sensor output.

With silicon-coated optics (15:1 or 75:1), the Thermometer CSmicro 2W offers a system accuracy of +/-1.0 per cent and +/- 0.3 per cent of the reading respectively.

The sensor can be used in ambient temperatures of up to 130C without having to cool the sensor head.

A two-wire loop-powered sensor extracts the power it needs to operate its electrical circuits from the loop itself.

There is no separate power feed from the analogue input card or from anywhere else.

The current that the device draws becomes part of the 4-20mA that flows in the loop, meaning that the device does not require more than 4mA to operate.

As a result, the number of wires and connections are reduced.

Two-wire loop-powered sensors are predominantly used by the process manufacturing industry, including oil-and-gas, petrochemical, chemical and power-generation companies.

With the Thermometer CSmicro 2W, an optional USB connection and Micro-Epsilon’s Compactconnect software enable the user to set up and configure the sensor or to change the emissivity to suit the target material.

The USB interface enables the user to connect to a PC or a laptop to configure the temperature range and output span of the sensor or to download parameters.

The free software includes analysis functions such as a graphical display that shows temperature trends and enables automatic data logging for analysis and documentation.


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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