MSA Calibration Cylinders

Combination gas cylinders contain 2.5% methane, 300 ppm carbon monoxide, 15% oxygen, and 10 ppm hydrogen sulfide in nitrogen.

For the Econo-Cal, the contents are 500 psig. The aluminum cylinders measure 13 3/4″ x 3″. Econo-Cal weighs 1lb 1oz and contains approximately 34 liters at atmospheric pressure.

For Model RP, the contents are 500 psig. The aluminum cylinders measure 13 3/4” x 3”. Model RP weighs 1lb 11oz and contains approximately 58 liters at atmospheric pressure.

Reactive gases have an expiration date listed on the cylinder.
Cylinders ship via air freight at an additional charge.