Test and Calibration Gas

Test and Calibration Gas

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 and 5 gas mixes for multi-gas detectors are also available to purchase online from stock.

If you do not see the concentration of gas that you require please contact us with the specific concentration requirements.

Shipping Information

UK Shipments

Due to the calibration gas cylinders being classed as dangerous goods a hazardous freight charge is automatically applied per consignment by the shopping cart system.

International Shipments

The shopping cart cannot automatically calculate hazardous freight charge for international shipments.  Please email [email protected] or call +44 (0)1563 820 444 for export prices.



Calibration Gas

Gas Detector: Calibration Gas CH4-22-Air- 58 (50% LEL)

58 Litre cylinder of2.2% Methane18% Oxygen in Air (50% LEL)This cylinder requires a Regulator type R..

£111.00

Nitrogen Calibration Gas

Gas Monitor Calibration Gas - 100 % Vol Nitrogen - 58 litre cylinder

58 Litre cylinder comprising of 100% Nitrogen.This cylinder requires a Regulator type Reg-0.5 LPM...

£111.00

Isobutylene Calibration Gas

Gas Monitor Calibration Gas - 100 ppm Iso-Butylene in Air - 58 litre cylinder

58 Litre cylinder of comprising of 100 ppm Iso-Butylene in Air.This cylinder requires a Regulator ty..

£111.00

Quad Gas Calibration Gas Mixture

Calibration Gas: Quad Gas - 34 litre cylinder (4Ga18X22W25H100-34)

34 Litre cylinder of Quad Gas comprising of:18% Oxygen2.2% Methane(50% LEL)25 ppm Hydrogen Sulphide1..

£108.00

Quad Gas Calibration Gas Mixture

Calibration Gas: Quad Gas - 58 litre cylinder (4Ga18X22W25H100-58)

58 Litre cylinder of Quad Gas comprising of:18% Oxygen,2.2% Methane(50% LEL)25 ppm Hydrogen Sulphide..

£155.00

Quad Gas Calibration Gas Mixture

Calibration Gas: Quad Gas - 110 litre cylinder (4Ga18X22W25H100-110)

110 Litre cylinder of Quad Gas comprising of:18% Oxygen,2.2% Methane(50% LEL)25 ppm Hydrogen Sulphid..

£229.00

Five Gas Calibration Gas Mixture

Calibration Gas: Quint Gas - 58 litre cylinder (5Ga18X22W25H-58) - 58 litre cylinder

58 Litre cylinder of Quad Gas comprising of:18% Oxygen2.2% Methane(50% LEL)25 ppm Hydrogen Sulphide1..

£312.00

Calibration Gas Regulator

Calibration Gas: Regulator for 34, 58 and 110 Litre Cylinders

Manual Fixed Flow Regulator for 34, 58 and 110 Litre Cylinders.Privides a fixed flow rate of 0.5 lit..

£133.00

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