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The TGS 2602 has high sensitivity to low concentrations of odorous gases such as ammonia and H2S generated from waste materials in office and home environments. The sensor also has high sensitivity to low concentrations of VOCs such as toluene emitted from wood finishing and construction products. Due to miniaturization of the sensing chip, TGS 2602 requires a heater current of only 56mA and the device is housed in a standard TO-5 package.