Thermal Conductivity Gauge

A pressure gauge consisting of a heated surface. The heat transported by the gas molecules from the surface is related to gas pressure.

The heat transfer results in changes in surface temperature or the heating power required to maintain a constant surface temperature.

Types of thermal conductivity gauges are distinguished according to the method of indicating the surface temperature:

See also: Ionization Gauge, Knudsen Gauge, Manometer, McLeod Gauge, Vacuum Gauge.

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Subjects: Instrumentation