Contains a mixture of 1.45% methane (CH4), 15% oxygen (O2), 60 PPM carbon monoxide (CO), 20 PPM hydrogen sulphide (H2S) Contains sufficient calibration gas for multiple MSA instrument calibrations Nitrogen background gas Regulator required (sold...
Contains a mixture of 1.45% methane (CH4), 15% oxygen (O2), 60 PPM carbon monoxide (CO), 20 PPM hydrogen sulphide (H2S) Contains sufficient calibration gas for multiple MSA instrument calibrations Nitrogen background gas Regulator required (sold...