Our dial thermometers work on the bimetal, expansion or gas actuation principle. This enables scale ranges of -200 to +700 °C in different class accuracies, response times and resilience to environmental influences. Diverse connection designs, stem diameters and individual stem lengths enable a flexible measuring point design. Dial thermometers with capillaries are particularly versatile. All thermometers are suited for operation in a thermowell if necessary.

Sales contact

WIKA Bulgaria EOOD

Tel.:
+359 2 8213810
Fax:
+359 2 8213813
info@wika.bg

FAQ

How does an expansion thermometer work?

The measured value registration is made through the liquid-filled measuring system which consists of a temperature probe, capillary and Bourdon tube. All three components combine to form a closed tube system. The internal pressure in the system changes with the adj ... More

Why is liquid damping in bimetal thermometers only possible up to medium temperatures of 250°C?

Since the filling liquid (silicone oil) in the complete thermometer (i.e. it is also present in the stem) this means the filling liquid is heated to the temperature of the medium.  This can lead to fire in the silicone oil.

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