Calibration and Test Gases  Environmental and Gas Monitoring Ltd can supply and ship calibration and test gases world-wide for the testing and calibration of portable and fixed gas detection equipment.   Specialist 4 gas mixes for multi-gas detectors are also available from stock. Please contact us with the concentration requirements required. The basic range of gas and cylinder sizes are listed below.   Selection of Standard Gases available : Size Reactive Mixture 34ltr Yes Chorine/N2 34ltr No Single Gas e.g. O2 34ltr No Four Gas Mix e.g. O2/LEL/H2S/CO 58ltr Yes Chorine/N2 58ltr No Single Gas e.g. O2 58ltr No Four Gas Mix e.g. O2/LEL/H2S/CO 103ltr Yes Chorine/N2 103ltr No Single Gas e.g. O2 103ltr No Four Gas Mix e.g. O2/LEL/H2S/CO All Gas mixtures traceable to National Standards Up to 2% accuracy of nominal value Mixtures manufactured gravimetrically For mixtures not listed above please contact us at: info@egm-ltd.com Telephone 01563 820444     Home