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What is Thermocouple Gauge ?

Thermocouple Gauge Thermocouple gauge is a device used to measure low vacuum.Working of a Thermocouple GaugeIn Thermocouple Gauge a filament is heated by passing constant current through it.When gas molecule interact with filament heat is carried away.Therefor the temperature is directly depended on the pressure in the chamber.The higher the pressure the more molecule interact with …

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What is Pirani Gauge ? Advantages,Disadvantages and Application of Pirani Gauge

Pirani GaugePirani gauge is a device used to measure low vacuum in a pressure range from 0.5 Torr to 10−4 Torr. Working Principle and Construction of Pirani gauge  Pirani gauge consist of two tungsten filaments,a power source and a volt meter or ammeter.One of the filaments is placed to gauge tube and is exposed to the environment where the pressure …

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