Gas Detector Sensor Gas Detected Chlorine Measurement Range 0 to 100 ppm Compatible Detector Model/Series GasBadge Pro Compatible Detector Grainger Part Number 9JEX8 Sensor Type Electrochemical For Detector Type Portable Sensor Life 1 yr Series GasBadge Pro Resolution 0.1 ppm Operating Temperature - Maximum 140 Degrees F Operating Temperature - Minimum -40 Degrees F Chemical Formula Cl2