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 Instruments Ltd.

Tel.:
+64 9 847 9020
Fax:
+64 9 846 5964
info.nz@wika.com

FAQ

What is the minimum insertion length of a thermowell?

The insertion length of a thermowell will be specified through the thermometer  used. In general one can assume a length of  60-100 mm for mechanical thermometers from a minimum total length. Electrical thermometers need an insertion length of at least 35 ... More

What tests and inspections are stipulated for thermowells?

In accordance with DIN 43772 Point 4.6, all tests and certifications should be agreed between the manufacturer and operator.

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