MSA Calibration Kit, 0.25 LPM REG, – 30″ Tube, Cap, Quick-Disconnect, 0 Plug – 477149

The cylinders of calibration check gas for use with Model RP kits are lightweight steel containers approximately 14-1/4 inches high and 3-1/2 inches in diameter and, depending upon the individual pressure requirements, contain 58 or 100 liters of a specified gas mixture of a known (+/- 5% tolerance) concentration.

MSA certifies that the gas mixture in the calibration gas cylinders was prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in percent by volume, percent by mass, ppm mass or volume are specified on the cylinder. Each MSA calibration gas cylinder is shipped with an individual copy of a certificate of analysis.