Measured Instrument, Quantity or Gauge |
Range (and Specification Where Appropriate) |
Calibration and Measurement Capability Expressed as an Uncertainty (≠) |
Calibration Equipment and Reference Standards Used |
| Calibration Gas Cylinder |
0.00001% mol fraction to 0.05% mol fraction |
0.0000021% mol fraction | Trace Moisture Concentration Electrolytic Hygrometer |
| 0.000001% mol fraction to 1% mol fraction | 0.000012% mol fraction | Trace Oxygen Concentration Electrochemical Oxygen Analyzer | |
| 0.01% mol fraction to 100% mol fraction | 0.023% mol fraction | Gas Mixture Concentration (GC and TCD) | |
| 0.1% mol fraction to 25% mol fraction | 0.023% mol fraction | Percent Oxygen Concentration (Paramagnetic Oxygen Analyser) | |
| 0.00001% mol fraction to 0.1% mol fraction | 0.000012% mol fraction | Trace Hydrogen Sulfide Concentration (Electrochemical Analyzer) | |
| 0.00001% mol fraction to 0.1% mol fraction | 0.000012% mol fraction | Percent Sulfur Dioxide Concentration (Non-Dispersive Infrared Analyzer) | |
| 0.00001% mol fraction to 0.2% mol fraction | 0.000012% mol fraction | Percent Nitric Oxide Concentration (Chemicailuminescence Analyzer) | |
| 0.00001% mol fraction to 0.1% mol fraction | 0.000012% mol fraction | Percent Nitrogen Dioxide Concentration (Chemicailuminescence Analyzer) | |
| Gravimetric Balance | 0.00001% mol fraction to 0.1% mol fraction | 0.000031% mol fraction | Gas Mixture Concentration |