4-gas Mixes | SEMA Gases

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4-gas Mixes

SEMA Gases is a manufacturer of span gases in disposable cylinder cans from the Netherlands, established from the want to create a label which is applicable for all brands of gas detection equipment. The products of SEMA Gases are used for calibration of portable gas detection instruments and calibration of fixed gas detection systems. SEMA Gases produces single gases (flammable gases, oxygen, toxic gases) and gas mixtures (2, 3, 4 or 5 gas mixtures) in various cylinder size up to 110 ltr.

4-gas Mixes – Calibration Gases

34L 58L 110L Cert. tol. Prod. tol. Stability
(months)
60 ppm Carbon Monoxide / 1.5 % Carbon Dioxide
/ 2.5 % Methane / 18 % Oxygen // Nitrogen
Available Available Available +/- 2% +/- 5% 60
100 ppm Carbon Monoxide / 2 % Carbon Dioxide
/ 2.2 % Methane / 15 % Oxygen // Nitrogen
Available Available Available +/- 2% +/- 5% 60
100 ppm Carbon Monoxide / 2 % Carbon Dioxide
/ 0.75 % Propane / 15 % Oxygen // Nitrogen
Available Available Available +/- 2% +/- 5% 60
100 ppm Hydrogen / 100 ppm Methane
/ 5 % Carbon Dioxide / 16 % Oxygen // Nitrogen
Available Available Available +/- 2% +/- 5% 60

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