Gantner Instruments GmbH, Montafonerstr. 4, A-6780 Schruns, Austria
Precise Temperature Measurement with Pt100
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Precise Temperature Measurement with Pt100

Temperature measurement is one of our key competence areas. Here we maintain a position of global leadership. Our advanced 4-channel Q.bloxx A105 measurement module sets new standards in terms of stability and precision. For many different applications, the extremely precise and stable measurement of temperatures is an absolute prerequisite for the control of processes or the success of product innovations. In addition to the essential precision, particularly important aspects of this are the maintenance of stability when changes occur in the ambient temperature and ensuring long-term stability.

In the following examples of applications, our products are being used with great success:


Development and testing of air conditioning components for the automobile industry. The extremely high demands for efficiency make it necessary when measuring heat levels to ensure a very precise recording of tempera­tures. For this reason, our modules have been employed in this area for several years.

German Weather Service (DWD)

The weather stations installed throughout the country have to deliver reliable measurement values at all extremes of external tempera­ture. Whether in the winter in the Alps or in the summer at the seaside, Gantner modules are used by the DWD to produce accurate measurements, whatever the ambient temperature.

Max-Planck-Gesellschaft, Institute for Plasma Physics

The development of the fusion facility Wendelstein 7X would be impossible without reliable and precise temperature recording. Our modules are also used in this project, as there are no comparable alternatives on the market.

The following are the most important characteristics of the module A105, which is available as Q.bloxx for top hat rail mounting, as a mobile system Q.brixx or in a 19″ version:

  • 4 galvanically separated input channels for Pt100, Pt1000 and for resistance measurement
  • Measurement precision
    0.05 °C
  • Temperature stability
    0.02 °C per 10 °K change
    in ambient temperature
  • Analog/digital conversion
    24 bit
  • Filter, linearization, min/max and alarm independently configurable for each channel
  • Versions can be provided for special sensors, for example cryosensors (TVO, Cernox)

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