Gasco 44ES-490 Ecosmart Calibration Gas 35 PPM CO, 10% LEL CH4 (0.5% vol), 10 PPM H2S, 18% O2 – 44 Liter, 1 Each

Gasco 44ES-490 Ecosmart Calibration Gas 35 PPM CO, 10% LEL CH4 (0.5% vol), 10 PPM H2S, 18% O2 – 44 Liter, 1 Each

The Gasco 44ES-490 Ecosmart Calibration Gas 35 PPM CO, 10% LEL CH4 (0.5% vol), 10 PPM H2S, 18% O2 – 44 Liter 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.