CalGasOnline is an authorized distributor of GASCO, manufacturer of calibration gas.
GASCO's precision and quality is consistent with NIST standards.
3-Day Lead Times, many in stock.
Gasco Calibration Gas Cylinder with Chlorine (Cl2) 0.5 ppm. Balance Nitrogen. Available Sizes 34, 44, 58, 66 and 116 Liters. Detected as ***** Fluorine 0.7 ppm ***** by Electrochemical Fluorine sensors.