Product Description ISC Part# 1810-9191Industrial Scientific 34 liter Combination Calibration Gas for the following Industrial Scientific Gas Monitors that are equipped with LEL, O2, CO, H2S sensors; Ventis MX4 & PRO Series and MX6 MonitorsEach cylinder comes with its own smart card for connecting to DSX and legacy DS2 Docking Station & iGas Regulators.Concentration: 100 ppm CO, 25 ppm H2S, 18% O2, 25% LEL PentaneRegulators 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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