2-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.
2-gas Mixes – Calibration Gases
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 1 % Propane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 8 % Butane / 13.8 % Carbon Dioxide // Nitrogen (pressure restricted 100 psig) |
Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1 % Methane / 3 % Carbon Dioxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1.5 % Methane / 15 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1.62 % Methane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.9 % Butane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.7 % Pentane / 15 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.7 % Pentane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 25 % Nitrogen / 35 % Carbon Dioxide // Methane | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 2.2 % Methane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 2.5 % Methane / 18 % Oxygen // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 5 % Methane / 10 % Carbon Dioxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 0.5 % Oxygen / 30 % Carbon Dioxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
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