Detector Tube Measurement Range 0.5 to 120 ppm Gas Detected Ethyl Mercaptan For Use With Mfr No GV-100-SOHA-TR Mfr No GV-110-S-TR Mfr No GV-110-SOHA-TR Color Change White to Yellow Operating Pressure Ambient Operating Temperature - Minimum 32 Degrees F Tube Material Glass Break-Off Tip Yes Calibrated Yes Product Type Gas Detection Tube Sampling Method With Pump Shelf Life 3 yr Application Industrial Safety and Health Sampling Time 2 min (5 to 120 ppm)