TGS832-F01

PRODUCT INFORMATION TGS 832-F01 - for the detection of Chlorofluorocarbons Features: * High sensitivity to refrigerant gases * Improved selectivity * Long term stability * Uses simple electrical circuit Applications: * Stationary refrigerant leak detectors The sensing element of Figaro gas sensors is a tin dioxide (SnO2) semiconductor which has low conductivity in clean air. In the presence of a detectable gas, the sensor's conductivity increases depending on the gas concentration in the air. A simple electrical circuit can convert the change in conductivity to an output signal which corresponds to the gas concentration. TGS 832-F01 has high sensitivity to commonly used refrigerant gases in air conditioning systems and refrigerators such as R-134a, R-404a, R-407c, and R-410. TGS832-F01 uses filter material in its housing to eliminate the influence of interference gases such as alcohol, resulting in highly selective response to CFC’s. This feature makes the sensor ideal for stationary type leakage detectors which require durability and resistance against interference gas. The figure below represents typical sensitivity characteristics, all data having been gathered at standard test conditions (see reverse side of this sheet). The Y-axis is indicated as sensor resistance ratio (Rs/Ro) which is defined as follows: Rs = Sensor resistance of displayed gases at various concentrations Ro = Sensor resistance at 3000ppm of R-407c Sensitivity Characteristics: 100 Air R-407c...