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 Instrumentation (M) Sdn. Bhd.

Tel.:
+603 5590 6666
Fax:
1700 81 4140
info@wika.my

FAQ

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.

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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