MSA Calibration Testing Gas

• Contains a mixture of 1.45% methane, 15% oxygen, 60 PPM carbon monoxide, 20 PPM hydrogen sulphide
• Ideal for multi-gas detectors
• Designed for use with Altair 4, Altair 4X, Solaris, Altair 5 and Altair 5X series gas detectors
• Also good for use with Sirius PID multi-gas detector