AimSafety PM400 Quad Mixture Calibration Gas is a 58 Liter of 100ppm Carbon Monoxide (CO), 25ppm Hydrogen Sulfide (H2S), 50% LEL (CH4), and18%Vol. Oxygen (O2) Gas. The calibration gas is used to calibrate monitors such as the Infrared LEL Sensor Multi-Gas Monitor and the Catalytic Bead LEL Multi-Gas Monitor. It is recommended to perform a bump test in a well ventilated area prior to each day's use. The purpose of the bump test is to confirm that the monitor will react to the target gas and go into alarm. (Regulator NOT included)
Note: calibration gas is not returnable. Please check your selection carefully before ordering.
Note: This item ships via UPS Ground due to HazMat restrictions and isn't available for expedited shipping.