Detector Tube Measurement Range 0.01 to 0.8 ppm Gas Detected Formaldehyde For Use With Mfr No GV-100-SOHA-TR Mfr No GV-110-S-TR Mfr No GV-110-SOHA-TR Color Change Pale Yellow to Pink Operating Pressure Ambient Operating Temperature - Minimum 41 Degrees F Tube Material Glass Break-Off Tip Yes Calibrated Yes Product Type Gas Detection Tube Shelf Life 1 yr Application Industrial Safety and Health Sampling Time 30 min (0.01 to 0.2 ppm) Sampling Volume 6 000 mL