Orthodyne S.A.

Orthodyne - Model TCD - Gas Chromatograph Analyser Brochure

The TCD Gas Chromatograph is not as sensitive as other detectors but it is non-specific and non-destructive. A TCD detector consists of an electrically-heated wire or thermistor (tungstenrhenium wire). The temperature of the sensing element depends on the thermal conductivity of the gas flowing around it. as Oxygen, Air, Carbon Dioxide, Nitrogen, ...