Resistance thermometers

Resistance thermometers with Pt100/Pt1000 resistance

Resistance thermometers are equipped with platinum sensor elements which change their electrical resistance as a function of temperature. In our range of products you will find resistance thermometers with connected cable as well as versions with connection head. A temperature transmitter can be installed directly in the connection head. Resistance thermometers are suitable for applications between -200 ... +600 °C (dependent on instrument model, sensor element, accuracy class and materials coming into contact with the medium). Accuracy classes AA, A and B apply to all resistance thermometers. They are available with a tolerance value to IEC 60751.

Sales contact

WIKA Instruments Namibia (Pty.) Ltd.

Tel.:
+264 61 238 811
info@wika.com.na

FAQ

What are the response times of the various measuring inserts?

The measurement of the response time is carried out in flowing water in accordance with DIN EN 60751 and VDI / VDE 3522.

Ø 6 mm 1xTyp K, ungrounded: t0,5 = 3,3 sec. t0,9 = 7,9 sec.
Ø 6 mm 1xTyp K, grounded: tMore

What are the Callendar-van-Dusen-coefficients and how do I calculate these?

The Callendar-van-Dusen-coefficients are used to describe a polynomial function of the actual characteristic of a platinum measuring resistor. This can be stored in a transmitter and thus increases the accuracy of the entire measuring chain. To calculate the Callen ... More

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