MSA Calibration Cylinder Gas, 116 L, (CH4)-1.45%, (O2)-15%, (CO)-60 PPM, (H2S)-20 PPM Part# 10150595 Double Valve Pump Martor Secumax Salvex Part# 538

Martor Secumax Salvex Part# 538

They are sturdy

The pump head tubing guides are designed to keep the tubing in place during sampling

Using n = 2

MSA Calibration Cylinder Gas, 116 L, (CH4)-1.45%, (O2)-15%, (CO)-60 PPM, (H2S)-20 PPM Part# 10150595 Double Valve Pump Martor Secumax Salvex Part# 538MSA Calibration Cylinder Gas, 116 L, (CH4) 1. 45%, (O2) 15%, (CO) 60 PPM, (H2S) 20 PPM Part# 10150595 Certified gas cylinders for calibration 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