Calibration Gases / Gas Mixtures
Non Reactive Single Component
| Component | Balance gas | Range | Cylinder capacity in Ltrs | ||
| Oxygen ( O2) | Nitrogen | 0 to 100% | 0.5,3,10,47 | ||
| Hydrogen ( H2) | Nitrogen | 0-100% | |||
| Hydrogen ( H2) | Air | 0-50%LEL | |||
| Carbon Dioxide (CO2) | Nitrogen/Air | 0-100% | |||
| Cabon Monoxide ( CO) | Nitrogen | 0-100% | |||
| Carbon Monoxide ( CO) | Air | 0-6.25% | |||
| Methane | Nitrogen | 0-100% | |||
| Methane | Air | 0- 50% LEL | |||
| Ethane | Nitrogen | 0-100% | |||
| Ethane | Air | 0- 50% LEL | |||
| propane | Nitrogen | 0-100% | |||
| Propane | Air | 0-50% LEL | |||
| Butane | Nitrogen | 0-100% | |||
| Butane | Air | 0-50% LEL | |||
| pentane | Nitrogen | 0-100% | |||
| pentane | Air | 0-50% LEL | |||
| Hexane | Nitrogen | 0-100 % | |||
| Hexane | Air | 0- 50% LEL | |||
| ethylene | Nitrogen | 0-100% | |||
| ethylene | Air | 0-50% LEL | |||
| Propylene | Nitrogen | 0-100% | |||
| Propylene | Air | 0-50% LEL | |||
| Butylene | Nitrogen | 0-100% | |||
| Butylene | Air | 0-50%LEL | |||
| Acetylene | Nitrogen | 0-100% | |||
| Acetylene | Air | 0-50% LEL | |||
Reactive Single Component
| Component | Balance Gas | Range | Cylinder capacity In Ltrs |
| NO | N2 | 0-100% | 0.5,3,10 |
| NO2 | N2 /Air | 0-100% |
Reactive Multigas Component
| Sr.No. | Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs |
| 1 | NO | N2 | 0-100% | ±2% | 0.5,3,10 |
| CO | 0-100% | ||||
| SO2 | 0-100% | ||||
| 2 | NO | N2 | 0-100% | ±1% | |
| CO | 0-100% | ||||
| 3 | CH4 | N2 | 0-50% LEL | ±1% | |
| CO | 0-100% | ||||
| H2S | 0-1000 ppm | ||||
| O2 | 0-100% |
Non Reactive Multigas Component
| Sr.No. | Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs | |
| 1 | CO2 | Nitrogen | 0-6% | ±1% | 0.5,3,10,47 | |
| O2 | 0-5% | |||||
| 2 | CO2 | Helium | 4.50% | ±1% | ||
| N2 | 13.50% | |||||
| 3 | Methane | Nitrogen | 0-100% | ±1% | ||
| Ethane | 0-100% | |||||
| Propane | 0-100% | |||||
| Butane | 0-100% | |||||
| Pentane | 0-100% | |||||
| Hexane | 0-100% | |||||
Non Reactive Single Component
| Component | Balance gas | Range | Cylinder capacity in Ltrs | ||
| Oxygen ( O2) | Nitrogen | 0 to 100% | 0.5,3,10,47 | ||
| Hydrogen ( H2) | Nitrogen | 0-100% | |||
| Hydrogen ( H2) | Air | 0-50%LEL | |||
| Carbon Dioxide (CO2) | Nitrogen/Air | 0-100% | |||
| Cabon Monoxide ( CO) | Nitrogen | 0-100% | |||
| Carbon Monoxide ( CO) | Air | 0-6.25% | |||
| Methane | Nitrogen | 0-100% | |||
| Methane | Air | 0- 50% LEL | |||
| Ethane | Nitrogen | 0-100% | |||
| Ethane | Air | 0- 50% LEL | |||
| propane | Nitrogen | 0-100% | |||
| Propane | Air | 0-50% LEL | |||
| Butane | Nitrogen | 0-100% | |||
| Butane | Air | 0-50% LEL | |||
| pentane | Nitrogen | 0-100% | |||
| pentane | Air | 0-50% LEL | |||
| Hexane | Nitrogen | 0-100 % | |||
| Hexane | Air | 0- 50% LEL | |||
| ethylene | Nitrogen | 0-100% | |||
| ethylene | Air | 0-50% LEL | |||
| Propylene | Nitrogen | 0-100% | |||
| Propylene | Air | 0-50% LEL | |||
| Butylene | Nitrogen | 0-100% | |||
| Butylene | Air | 0-50%LEL | |||
| Acetylene | Nitrogen | 0-100% | |||
| Acetylene | Air | 0-50% LEL | |||
Reactive Single Component
| Component | Balance Gas | Range | Cylinder capacity In Ltrs |
| NO | N2 | 0-100% | 0.5,3,10 |
| NO2 | N2 /Air | 0-100% |
Reactive Multigas Component
| Sr.No. | Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs |
| 1 | NO | N2 | 0-100% | ±2% | 0.5,3,10 |
| CO | 0-100% | ||||
| SO2 | 0-100% | ||||
| 2 | NO | N2 | 0-100% | ±2% | |
| CO | 0-100% | ||||
| 3 | CH4 | N2 | 0-50% LEL | ±2% | |
| CO | 0-100% | ||||
| H2S | 0-1000 ppm | ||||
| O2 | 0-100% |
Non Reactive Multigas Component
| Sr.No. | Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs | |
| 1 | CO2 | Nitrogen | 0-6% | ±2% | 0.5,3,10,47 | |
| O2 | 0-5% | |||||
| 2 | CO2 | Helium | 4.50% | ±2% | ||
| N2 | 13.50% | |||||
| 3 | Methane | Nitrogen | 0-100% | ±2% | ||
| Ethane | 0-100% | |||||
| Propane | 0-100% | |||||
| Butane | 0-100% | |||||
| Pentane | 0-100% | |||||
| Hexane | 0-100% | |||||
Natural Gas Standard
| Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs |
| Natural Gas Mixture Up to C6 | 0.5,3,10,47 | |||
| Ethane | Methane | 0.1% -14% | ±2% | |
| Propane | 0.05-8% | ±2% | ||
| Iso-Butane | 0.01% – 1.2% | ±2% | ||
| N-Butane | 0.01% – 1.2% | ±2% | ||
| Neo-Pentane | 0.005%-0.5% | ±2% | ||
| Iso-Pentane | 0.005%-0.5% | ±2% | ||
| N-Pentane | 0.005%-0.5% | ±2% | ||
| N-Hexane | 0.005%-0.5% | ±2% | ||
| Carbon Dioxide | 0.05%-8% | ±2% | ||
| Nitrogen | 0.1%-12% | |||
| Natural Gas Mix upto C 10 | 0.5,3,10,47 | ||
| 2,2 Diamethylbutane | 0.0001 to 0.10% | ±2% | |
| Cyclo Pentane | 0.0001 to 0.10% | ±2% | |
| 2-Methyl pentane | 0.0001 to 0.10% | ±2% | |
| 3-Methyl pentane | 0.0001 to 0.10% | ±2% | |
| N-Hexane | 0.0001 to 0.50% | ±2% | |
| Benzene | 0.0001 to 0.10% | ±2% | |
| Cyclohexane | 0.0001 to 0.10% | ±2% | |
| N-Heptane | 0.0001 to 0.10% | ±2% | |
| Toluene | 0.0001 to 0.10% | ±2% | |
| Methylcyclohexane | 0.0001 to 0.10% | ±2% | |
| N-Octane | 0.0001 to 0.05% | ±2% | |
| N-Nonane | 0.0001 to 0.02% | ±2% | |
| N-Decane | 0.0001 to 0.005% | ±2% |
Gas Mixtures Under NABL Scope
| Sr.No. | Component | Balance Gas | Range | C.A | Cylinder capacity In Ltrs |
| 1 | Methane | Air / Nitrogen | 0.5% to 2.6% | +/-2% | 3,10,47 |
| 2 | Propane | Air / Nitrogen | 0.2% to 1.3% | +/-2% | |
| 3 | Carbon Monoxide | Air / Nitrogen | 0.005% to 0.5% | +/-2% | |
| 4 | Oxygen | Air / Nitrogen | 17.0% to 22.0% | +/-2% | |
| 5 | Helium | Air / Nitrogen | 8.0% to 10.0% | +/-2% | |
| 6 | Carbon Dioxide | Air / Nitrogen | 4.0% to 8.0% | +/-2% | |
| 7 | Nitric Oxide | Air / Nitrogen | 0.005% to 0.1% | +/-2% |
NIST Traceable Gas Mixtures
| Sr.No. | Component | Balance Gas | Range | Cylinder capacity In Ltrs |
| 1 | NO | N2 | 0-100% | |
| 2 | SO2 | N2 | 0-100% | |
| 3 | CO | N2 | 0-100% | 0.5,3,10,47 |
| 4 | NO2 | N2 | 0-100% | |
| 5 | H2S | N2 | 0-100% |