Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

CO₂ percentage in the flue gas
Specific gravity of petrofuels
Composition of an alloy
O₂ percentage in the flue gas

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Process Control and Instrumentation
Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by

Making the volume of thermometer bulb as large as conveniently possible
Reducing the volume of the receiving element to a minimum
Reducing the volume of the capillary to a minimum
All of these

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