Calgaz calibration gas 200PPM R-40 | Chloromethane (CH3Cl), 20.9% Oxygen (O2) Balance Nitrogen 17 Liter Steel Cylinder, Inlet: CGA-600, Cylinder/Blend: 7EOC 200PPM CH3CL/20.9%O2/N2, Catalog: A0441987
Calibration gas is non-returnable
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Calgaz gas mixtures and regulators are manufactured, fully tested and shipped from Calgaz state-of-the-art production facility in Cambridge, Maryland, USA.
Gas Mixtures
- ISO 9001-2008
- ISO 17025:2005 accreditation for Ethanol in Nitrogen
- All gas mixtures are made gravimetrically
- All gas mixtures are fully traceable back to their original raw materials
- All master blends are analyzed 100%
- Lot analysis on transfilled cylinders
Cylinders
- Cylinders are leak checked with mass spectrometer
- All cylinders are pressure checked
- All lots of cylinders are traceable by lab database