The 7866 Thermal Conductivity Analyzer uses the principles of thermal conductivity to determine the concentration of a sample gas. It consists of three basic components - the sensing unit (transmitter), the control unit (receiver) and a power supply. The sensing unit receives a continuous flow of the binary or multi-component gas mixture, measures the concentration of the sample gas and transmits an electrical signal to the control unit. The control unit receives the output signal from the sensing unit at the sampling site via the interconnecting cable. This unit then provides a current output signal to a remote device for monitoring or recording purposes.
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