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Miniature infrared temperature sensor requires no separate controller

07 January 2011

Micro-Epsilon has introduced a miniature infrared temperature sensor with integrated controller for temperature measurements from –50 deg C to 1,600 deg C. The new thermoMETER CSlaser has a double sighting laser rather than a single laser, which would only mark the centre of the measuring spot, not the real size. Double laser sighting precisely follows the infrared optical path and marks the real spot size at any distance, therefore preventing inaccurate measurements on small objects.

The smallest spot size of 0.05mm (M2 version) is reached on the CSlaser at the crosspoint of both laser beams at 150mm. The sensor can also be optimised for specific measurement tasks by fitting different lenses with varying focal lengths. As the controller is now integrated within the sensor, the thermoMETER CSlaser is ideal for applications in which installation space is limited – whether on a machine, product or tool.
Initially, the thermoMETER CSlaser is available as either an SF version (8 to 14µm) with a measuring range between –50 deg C and 975 deg C and optical resolution of 50: 1. This version of the sensor is aimed at general temperature measurement tasks.

There’s also an M-2 version (1.6µm) for metal processing applications, which measures temperatures from 385 deg C up to 1,600 deg C and has an optical resolution of 300:1. This version is ideal for use with ceramics, metal processing and metal oxides. The short wavelength of 1.6µm reduces temperature measurement errors on surfaces with low or unknown emissivity or with changing emissivity during the process, which is often the case on metal surfaces.

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