Gas Detector Sensor Gas Detected Hydrogen Sulfide Measurement Range 0 to 500 ppm Compatible Detector Model/Series Tango TX2 Compatible Detector Grainger Part Number 782KK2 Sensor Type Electrochemical For Detector Type Portable T90 Response Time 20 sec Sensor Life 3 yr Series Tango TX2 Features Immediate Configuration and Detection Upon Switching A Sensor Interchangeable Sensors Resolution 0.1 ppm T50 Response Time 8 sec Operating Temperature - Maximum 122 Degrees F