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SEMA Gases

Carbon Dioxide (CO2) Calibration Gas

Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 60% higher than that of dry air. It occurs naturally in Earth’s atmosphere as a trace gas. Carbon dioxide is odorless at normally encountered concentrations, but at high concentrations, it has a sharp and acidic odor.

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Available sizes 34L, 58L, 110L
Certification tolerance +/- 2% or N/A
Production tolerance +/- 5% or N/A
Stability 60 months

Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 60% higher than that of dry air. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth’s atmosphere as a trace gas. The current concentration is about 0.04% (410 ppm) by volume, having risen from pre-industrial levels of 280 ppm. Natural sources include volcanoes, hot springs and geysers, and it is freed from carbonate rocks by dissolution in water and acids. Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, ice caps, glaciers and seawater. It is present in deposits of petroleum and natural gas. Carbon dioxide is odorless at normally encountered concentrations, but at high concentrations, it has a sharp and acidic odor.

 

34L 58L 110L Cert. tol. Prod. tol. Stability
(months)
500 ppm Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
500 ppm Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
1000 ppm Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
5000 ppm Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
5000 ppm Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
1 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
1 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
1.5 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
2 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
2 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
3 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
3 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
5 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
5 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
10 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
10 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
18 % Carbon dioxide // Argon Available Available Available +/- 2% +/- 5% 60
20 % Carbon dioxide // Air Available Available Available +/- 2% +/- 5% 60
30 % Carbon dioxide // Argon Available Available Available +/- 2% +/- 5% 60
40 % Carbon dioxide // Methane Available Available Available +/- 2% +/- 5% 60
50 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
50 % Carbon dioxide // Methane Available Available Available +/- 2% +/- 5% 60
60 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
80 % Carbon dioxide // Nitrogen Available Available Available +/- 2% +/- 5% 60
100 % Carbon dioxide (3.0) Available Available Available N/A N/A 60
SEMA Gases leaflet SEMA Gases leaflet_A4

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