Gasco 58L-437 58 Liter 50 PPM Carbon Monoxide, 50% LEL Propane, 25 PPM Hydrogen Sulfide, 18.0% Oxygen Calibration Gas, Nitrogen, 1 Each

Gasco 58L-437 58 Liter 50 PPM Carbon Monoxide, 50% LEL Propane, 25 PPM Hydrogen Sulfide, 18.0% Oxygen Calibration Gas, Nitrogen, 1 Each

The Gasco 58L-437 58 Liter 50 PPM Carbon Monoxide, 50% LEL Propane, 25 PPM Hydrogen Sulfide, 18.0% Oxygen Calibration Gas, Nitrogen is a precision calibration gas used to calibrate sensors in gas detection equipment for environmental emissions monitoring, industrial hygiene monitors, and trace impurity analyzers. It is fully compatible with all manufacturers’ calibration sensors, equipment, and detectors. Exceeds or meets the requirements of Gas Detection Equipment Manufacturers and precision blended and inspected to industry standards – National Institute of Standards and Technology (NIST) traceable and certified. Made in the USA by Gasco.