Detector Tube Measurement Range 500 to 5 000 ppm Gas Detected Water Vapor For Use With Mfr No 73151 Mfr No GV-100-SOHA-TR Mfr No GV-110-S-TR Mfr No GV-110-SOHA-TR Color Change Green to Purple Operating Pressure Ambient Operating Temperature - Minimum 32 Degrees F Tube Material Glass Break-Off Tip Yes Calibrated Yes Product Type Gas Detection Tube Shelf Life 3 yr Application Industrial Safety and Health Sampling Time 1 min (500 to 5 000 ppm) Sampling Volume 300 mL