Gas Detector Sensor Gas Detected Hydrogen Sulfide Measurement Range 0 to 100 ppm Compatible Detector Model/Series AreaRAE AreaRAE Plus AreaRAE Pro MeshGuard MultiRAE MultiRAE IR MultiRAE Plus QRAE QRAE Plus RAEGuard RAEGuard S ToxiRAE II ToxiRAE Pro VRAE Sensor Type Electrochemical Compatible Detector Manufacturer Part Number AreaRAE Pro/Plus MultiRAE ToxiRAE Pro Sensor Life 2 yr