MSA offers a complete line of calibration gas cylinders to calibrate all instruments. The gas mixture in calibration gas cylinders is certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in volume, percent by mass, PPM or volume is specified on the cylinder.
MSA 10048890 Calibration Gas H2S, O2, CH4, N2 20 ppm H2S, 15% O2, 2.5% CH4 500 lb/in² C-10 58 l
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