Industrial Scientific 18109191 Calibration & Bump Test Gas with iCard, 100 ppm CO, 25 ppm H2S, 18% O2, 25% LEL Pentane, 34 Liter, Hazmat

(Direct replacement for ISC Part# 18103937)

Industrial Scientific 34 liter Combination Calibration Gas for the following Industrial Scientific Gas Monitors that are equipped with LEL, O2, CO, H2S sensors; Ventis MX4, iQuad MX4, M40, MX6, iTX.

Each cylinder comes with its own smart card for connecting to the new DSX and legacy DS2 Docking Station & iGas Regulators.

Concentration: 100 ppm CO, 25 ppm H2S, 18% O2, 25% LEL Pentane

Regulators sold separately.


As part of our continuing effort to provide the best calibration gas concentrations for all applications, Industrial Scientific has transitioned all 19% O2 calibration gas blends to 18% O2. All 19% O2 calibration gas blends will be discontinued by the end of 2016. The transition has the following customer advantages:

  • Reduces O2 bump test failures
  • Improves calibration gas lead times
  • Simplifies calibration gas selection
  • 18% O2 calibration gas blends are completely interchangeable with the 19% versions
  • Same price as the 19% O2 blends
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