PK Safety Watchgas Equivalent 4 Gas Calibration Gas Mix 34 Liter Saf-Tech check out the BW Flex4

check out the BW Flex4 with the catalytic type LEL sensor

NDIR is blind to it

BWC2-H 2 Year H2S 10-15

and lengths up to 20 feet are available

PK Safety Watchgas Equivalent 4 Gas Calibration Gas Mix 34 Liter Saf-Tech check out the BW Flex4PK Safety WatchGas Equivalent 4 Gas Calibration Gas Mix 34 Liter contains Methane, Oxygen, Hydrogen Sulfide, Carbon Monoxide in balance Nitrogen. This 34 Liter standard bump test and calibration gas is fully compatible with calibration sensors, equipment and monitors (provided the monitor is setup accordingly). Gas monitors needs to be bump tested and calibrated regularly to make sure it is functioning properly. Key Features: WatchGas CAL QUAD 34