Pre-calibrated Replacement Sensors 
| Gas | 
Sensor Range | 
Sensor Type | 
Part Number | 
 
| Butane | 
0-100 %LEL | 
IR | 
6600-8216 | 
 
| Butane | 
0-100 %LEL | 
CB | 
6600-8239 | 
 
| CO | 
0-500 ppm | 
EC | 
6600-8309 | 
 
| CO2 | 
0-5,000 ppm | 
IR | 
6600-8210 | 
 
| CO2 | 
0-10,000 ppm | 
IR | 
6600-8211 | 
 
| CO2 | 
0-20,000 ppm | 
IR | 
6600-8212 | 
 
| CO2 | 
0-30,000 ppm | 
IR | 
6600-8213 | 
 
| CO2 | 
0-40,000 ppm | 
IR | 
6600-8214 | 
 
| CO2 | 
0-50,000 ppm | 
IR | 
6600-8215 | 
 
| Ethylene | 
0-2,000 ppm | 
SC | 
6600-8275 | 
 
| HFO1234YF | 
0-1,000 ppm | 
SC | 
6600-8252 | 
 
| HFO1234ZE | 
0-1,000 ppm | 
SC | 
6600-8253 | 
 
| HFO1234ZE | 
0-10,000 ppm | 
SC | 
6600-8267 | 
 
| LPG | 
0-100 %LEL | 
CB | 
6600-8235 | 
 
| Methane | 
0-100 %LEL | 
IR | 
6600-8217 | 
 
| Methane | 
0-100 %LEL | 
CB | 
6600-8236 | 
 
| Methane | 
0-5,000 ppm | 
SC | 
6600-8273 | 
 
| NH3 | 
0-10,000 ppm | 
SC | 
6600-8269 | 
 
| NH3 | 
0-100 %LEL | 
CB | 
6600-8234 | 
 
| NH3 | 
0-100 ppm | 
EC | 
6600-8219 | 
 
| NH3 | 
0-1,000 ppm | 
EC | 
6600-8220 | 
 
| NH3 | 
0-5,000 ppm | 
EC | 
6600-8221 | 
 
| NO2 | 
0-20 ppm | 
EC | 
6600-8224 | 
 
| O2 | 
0-30 Vol% | 
EC | 
6600-8225 | 
 
| Propane | 
0-100 %LEL | 
IR | 
6600-8218 | 
 
| Propane | 
0-100 %LEL | 
CB | 
6600-8238 | 
 
| R-134a | 
0-1,000 ppm | 
SC | 
6600-8242 | 
 
| R-134a | 
0-10,000 ppm | 
SC | 
6600-8256 | 
 
| R-290 | 
0-5,000 ppm | 
SC | 
6600-8270 | 
 
| R-32 | 
0-1,000 ppm | 
SC | 
6600-8241 | 
 
| R-32 | 
0-10,000 ppm | 
SC | 
6600-8255 | 
 
| R-404A | 
0-1,000 ppm | 
SC | 
6600-8243 | 
 
| R-404A | 
0-10,000 ppm | 
SC | 
6600-8257 | 
 
| R-407A | 
0-1,000 ppm | 
SC | 
6600-8244 | 
 
| R-407A | 
0-10,000 ppm | 
SC | 
6600-8258 | 
 
| R-407C | 
0-1,000 ppm | 
SC | 
6600-8245 | 
 
| R-407C | 
0-10,000 ppm | 
SC | 
6600-8259 | 
 
| R-407F | 
0-1,000 ppm | 
SC | 
6600-8246 | 
 
| R-407F | 
0-10,000 ppm | 
SC | 
6600-8260 | 
 
| R-410A | 
0-1,000 ppm | 
SC | 
6600-8247 | 
 
| R-410A | 
0-10,000 ppm | 
SC | 
6600-8261 | 
 
| R-422A | 
0-1,000 ppm | 
SC | 
6600-8248 | 
 
| R-422A | 
0-10,000 ppm | 
SC | 
6600-8262 | 
 
| R-422D | 
0-1,000 ppm | 
SC | 
6600-8249 | 
 
| R-422D | 
0-10,000 ppm | 
SC | 
6600-8263 | 
 
| R-427A | 
0-1,000 ppm | 
SC | 
6600-8250 | 
 
| R-448A | 
0-1,000 ppm | 
SC | 
6600-8305 | 
 
| R-449A | 
0-1,000 ppm | 
SC | 
6600-8306 | 
 
| R-452A | 
0-1,000 ppm | 
SC | 
6600-8307 | 
 
| R-507 | 
0-1,000 ppm | 
SC | 
6600-8251 | 
 
| R-507 | 
0-10,000 ppm | 
SC | 
6600-8265 | 
 
| R-513A | 
0-1,000 ppm | 
SC | 
6600-8308 | 
 
| R-600 | 
0-5,000 ppm | 
SC | 
6600-8271 | 
 
 
 |