Carbon Monoxide (CO)
Carbon monoxide (CO) is a colorless, odorless, and tasteless flammable gas that is slightly less dense than air. It is toxic to animals that use hemoglobin as an oxygen carrier (both Invertebrate and vertebrate) when encountered in concentrations above about 35 ppm, although it is also produced in normal animal metabolism in low quantities, and is thought to have some normal biological functions. In the atmosphere, it is spatially variable and short lived, having a role in the formation of ground-level ozone.
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.
Carbon Monoxide Calibration Gases
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 20 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 10% | +/- 20% | 60 |
| 20 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 10% | +/- 20% | 60 |
| 50 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 5% | +/- 10% | 60 |
| 60 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 10% | 60 |
| 100 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 10% | 60 |
| 100 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 10% | 60 |
| 150 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 200 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 200 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 250 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 300 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 500 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 500 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1000 ppm Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1000 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 2000 ppm Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 1 % Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 5 % Carbon Monoxide // Air | Available | Available | Available | +/- 2% | +/- 5% | 60 |
| 5 % Carbon Monoxide // Nitrogen | Available | Available | Available | +/- 2% | +/- 5% | 60 |
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