Thermometers with switch contacts

Wherever the process temperature has to be indicated locally and, at the same time, limit values must be monitored, thermometers with switch contacts find their application. The switch contacts make or break the circuit dependent upon the pointer position of the indicating measuring instrument. If the reading is significantly above or below a set value, they trigger an alarm, hence also the term “alarm contact”. The instruments are also suitable for starting, stopping or switching processes.

Sales contact

WIKA Instrumentation Taiwan Ltd.

Tel.:
+886 3 420 6052
Fax:
+886 3 490 0080
info@wika.com.tw

FAQ

Which standard regulates contact gauges?

Sliding and magnetic snap-action contacts fitted in pressure gauges and thermometers with housing diameters of 100 and 160 mm are governed by DIN 16085.

What are suitable materials for thermowells for negative temperatures?

The first choice for high-temperature applications should always be stainless steel, such as 1.4404 or 316L. (Approval per AD2000 W10 down to -270 °C) Carbon steels should be considered carefully in detail, through the effect of the drop-off effect.

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