P/N: 74L-437S Key Specs
Item
CALIBRATION GAS CARBON MONOXIDE 74L
Condition
New OEM Original
Calibration Certificate
NIST
Connection Size
C-10 (5/8 in UNF)
Cylinder Diameter
4-1/4 in
Cylinder Material
Aluminum
For Use With
Any and All OEM Gas Detectors
Gas Mixture
50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.05% Propane (50% LEL) , Balance Air
Gas Name
Carbon Monoxide, Hydrogen Sulfide, Nitrogen, Oxygen, Propane