Teledyne Analytical Instruments 2000XTC details:
The Model 2000XTC Transmitter resets the standard for thermal conductivity detector based applications with the process control industry. As an intrinsically safe transmitter, packaged within a rugged, weatherproof housing. The 2000XTC is suitable for use in harsh, hazardous outdoor environments. Using a novel, solid-state thermal conductivity sensor, this cost effective transmitter can be configured to detect H2, He, N2 Ar, CO2 a number of other gases of or a number of other gases of interest in binary or multi-component interest in binary or multi-component sample gas mixtures.
