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Gas Actuated Thermometers

Supplier: GTS Gauges Transmitters Switches

Gas pressure thermometers are used for the most demanding requirements of measuring range, response time and accuracy in the mechanical temperature measurement field.

Price Guide: POA

The measuring system in the gas thermometers consists of the stem, capillary and Bourdon tube in a case. These parts are connected to form a unit. The complete measuring system is filled with an inert gas under pressure.

A temperature change causes the internal pressure in the stem to change. The deflection of the Bourdon tube thus caused is transmitted to the pointer by a movement. A bimetallic element is fitted between the movement and Bourdon tube to compensate for fluctuations of ambient temperature at the case.