GAS LIST
Below is a list of the most common gases that require monitoring and their risk factors (Ex = Explosive gas, Tox = Toxic gas). A suitable sensor for controlling each gas can also be found in the list. Download the gas list in PDF format here: Gas list and HTP value publications. HTP values:
| Gas | Formula | DENSITY OF AIR = 1 | Normal sensor | Atex sensor |
|---|---|---|---|---|
| Ammonia | NH3 | 0,59 | SX-482, SX-200SE | iTrans, OLCT series |
| Acetone | C3H6O | 2,01 | SX-402 | OLCT series |
| Acetylene | C2H2 | 0,90 | SX-402 | OLCT series |
| Benzene | C6H6 | 2,70 | SX-917 | iTrans, OLCT series |
| Ethanol | C2H6O | 1,59 | SX-917 | iTrans, OLCT series |
| Ethylene | C2H4 | 0,97 | SX-200, SX-912 | iTrans, OLCT series |
| Ethylene oxide | C2H4O | 1,52 | SX-200 | OLCT series |
| Phosphine | PH3 | 1,17 | SX-200SE | iTrans, OLCT series |
| Phosgene | COCl2 | 3,42 | SX-200SE | OLCT series |
| Oxygen | O2 | 1,10 | SX-200, MOX | iTrans, OLCT series |
| Carbon dioxide | CO2 | 1,52 | CTX300, SX-303SA | OLCT series |
| Carbon monoxide | CO | 0,97 | SX-213, SX200, SE | iTrans, OLCT series |
| Chlorine | Cl2 | 2,45 | SX-200, -SE | iTrans, OLCT series |
| Chlorine dioxide | ClO2 | 2,33 | SX-200SE | iTrans, OLCT series |
| Hydrochloric | HCl | 1,26 | SX-200, -SE | iTrans, OLCT series |
| Xylene | C8H10 | 3,67 | SX-402 | OLCT series |
| Methane (natural gas) | CH4 | 0,55 | SX-917 | iTrans, OLCT series, IR |
| Methanol | CH4O | 1,11 | SX-917 | OLCT series |
| n-Butane | C4H10 | 2,01 | SX-917 | iTrans, OLCT series |
| n-Hexane | C6H14 | 2,98 | SX-917 | iTrans, OLCT series |
| n-Heptane | C7H16 | 3,46 | SX-917 | iTrans, OLCT series |
| n-Pentane | C5H12 | 2,49 | SX-917 | iTrans, OLCT series |
| Ozone | O3 | 1,66 | SX-200, -SE | OLCT series |
| Propane | C3H8 | 1,52 | SX-917 | iTrans, OLCT series |
| Sulphur dioxide | SO2 | 2,21 | SX-200 | iTrans, OLCT series |
| Hydrogen sulphide | H2S | 1,18 | SX-200, -SE | iTrans, OLCT series |
| Styrene | C8H8 | 3,60 | SX-402 | OLCT series |
| Hydrogen cyanide | HCN | 0,70 | SX-200, -SE | iTrans, OLCT series |
| Toluene (solvents) | C7H8 | 3,18 | SX-402 | OLCT series |
| Nitrogen | N2 | 0,97 | SX-200/O2 | iTrans ja OLCT series O2 |
| Nitrogen dioxide | NO2 | 1,59 | SX-200, -SE | iTrans, OLCT series |
| Nitric oxide | NO | 1,04 | SX-200, -SE | iTrans, OLCT series |
| Hydrogen | H2 | 0,07 | SX-917, SX-200, SE | iTrans, OLCT series |
Sensorex Oy
Maskuntie 2 (entry via Lietsalantie)
FI-21110 Naantali
Finland