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 USA

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

FAQ

What influence does the ambient temperature have on the measuring result?

This depends on the following parameters:
1. Ratio of the volume of the probe (tube) to the measuring line and Bourdon tube (rule-of-thumb: 99:1)
2. Length of the measuring line (capillary) - the longer it is, the more the influence
3. Magnitude of t ... More

Why can't the shaft of the bimetal thermometers be manufactured longer than 1m?

Since the weight of the pointer shaft would be greater than the turning bimetal coil (i.e. the pointer would no longer be able to move).

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