Gas Detector Sensor Gas Detected Carbon Monoxide Measurement Range 0 to 1 000 ppm Compatible Detector Model/Series Tango TX2 Compatible Detector Grainger Part Number 782KK1 Sensor Type Electrochemical For Detector Type Portable T90 Response Time 48 sec Sensor Life 3 yr Series Tango TX2 Features Immediate Configuration and Detection Upon Switching A Sensor Interchangeable Sensors Resolution 1 ppm T50 Response Time 12 sec Operating Temperature - Maximum 122 Degrees F