Gas Detector Sensor Gas Detected Oxygen Measurement Range 0 to 30 Percent vol Compatible Detector Model/Series Ventis Pro5 Compatible Detector Grainger Part Number 49JZ98 Sensor Type Electrochemical For Detector Type Portable T90 Response Time 15 sec Sensor Life 4 yr Series Ventis Pro5 Resolution 0.1 Percent vol T50 Response Time 6 sec Operating Temperature - Maximum 131 Degrees F Operating Temperature - Minimum -4 Degrees F Chemical Formula O2