Gas Detector Sensor, Gas Detected Combustible Gas, Measurement Range 0 to 100 Percent, 0 to 5 Percent vol, Compatible Detector Model/Series MX6 iBrid, Compatible Detector Grainger Part Number 1TAN2, Sensor Type Electrochemical, For Detector Type Portable, Sensor Life 1 yr, Series MX6 iBrid(R), Resolution 0.1 Percent vol, 1 Percent LEL, Operating Temperature - Maximum 131 Degrees F, Operating Temperature - Minimum -4 Degrees F, Chemical Formula C5H12