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Packaging technologies for detectors for non-contact temperature measurement in metal industry.

Non contact temperature measurement for the metal industry

IR Thermopile detectors for operating temperatures ranging from -20 to +180 °C

Casting, forging or die forming: Sensors survey material temperatures for control and optimization of the entire process in metal production or processing.

In the metal industry, work is performed usually fully automated because of the high process temperatures of 100 °C up to 3000 °C. Sensors constantly monitor the temperature of the materials for quality management and process control. Measuring the large temperature range and thus the different spectral ranges requires various technologies for remote temperature measurement: pyrometers, thermal imaging cameras and infrared thermometers.


Thermal IR detectors reliably determine the surface temperature at close and medium distances of metal

  • on moving objects or objects that are difficult to access
  • in harsh environments or
  • of fragile measurement targets

Thermopile detector for high-temperature ranges

In comparison to common packaging technologies, the filter of the MTS 1 High-Temp is soldered and therefore resistant to various environmental influences such as heat, aggressive gases or high humidity and allows operating temperatures between -20 and +180 °C.

MTS High-Temp on white background
MTS 1 High-Temp

The IR detector MTS 1 High-Temp provides excellent performance in contactless temperature measurement. Best materials (bismuth antimony and antimony) ensure the optimal thermoelectric effect:

  • Best detectivity up to 7.2 x 108 cm x Hz1/2/W
  • High sensitivity up to 295 V/W
  • Short response times of typ. 30 ms

The silicon-based temperature detectors feature chips with 80 thermocouples, connected in series. The MEMS sensors are sensitive to absolute temperatures or to changes in the temperature gradient from which they generate an electrical voltage signal. The analog output signal of a few millivolts is evaluated and released in the measuring device by an electronic module.

The MTS 1 High-Temp is available as a standard version in TO-39 housing in our webshop. Our sales team would be happy to advise you on customer-specific adaptations, such as other housings, filling gases or thermistors for compensation of the ambient temperature.

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