301 Combustible & Toxic Sensors for 301EM
Replacement Combustible and & Toxic Sensors for the 301EM Controllers
| Sensor Description | Part Number |
| Combustible sensor - (GAIN 1.0-1.3 / Methane) | 129570-L3 |
| Combustible sensor - (GAIN 1.3-1.599 / Hydrogen) | 129426-L3 |
| Combustible sensor - (GAIN 1.6-1.999 / Propane, Ethanol) | 129427-L3 |
| Combustible sensor - (GAIN 2.0-2.219 / n-Pentane) | 129428-L3 |
| Combustible sensor - (GAIN 2.220-2.5 / Toluene) | 129429-L3 |
| Combustible sensor - (GAIN +2.5 / n-Decane) | 129430-L3 |
| Carbon monoxide (CO) sensor | 129431-L3 |
| Chlorine (Cl2) sensor | 129435-L3 |
| Nitrogen dioxide (NO2) sensor | 129432-L3 |
| Hydrogen sulfide (H2S) sensor | 129433-L3 |
| Oxygen (O2) sensor | 129436-L3 |
| Sulfur dioxide (SO2) sensor | 129434-L3 |
