Gas Detector Sensor Gas Detected Hydrogen Sulfide Measurement Range 0 to 500 ppm Compatible Detector Model/Series MX6 iBrid Compatible Detector Grainger Part Number 1TAL9 Sensor Type Electrochemical For Detector Type Portable Sensor Life 1 yr Series MX6 iBrid(R) Resolution 0.1 ppm Operating Temperature - Maximum 131 Degrees F Operating Temperature - Minimum -4 Degrees F Chemical Formula H2S