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 Instrument, LP

Tel.:
1-888-945-2872
Fax.:
1-770-338-5118
info@wika.com

FAQ

Which standard regulates contact gauges?

Sliding and magnetic snap-action contacts fitted in pressure gauges and thermometers with housing diameters of 4" - 6-1/4" (100 and 160 mm) are governed by DIN 16085.

Why must the clearance between the thermowell stem wall and the bimetal coil be as low as possible?

Since the heat transfer from the wetted thermowell stem to the bimetallic spring is improved.

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