| Model | 7291 |
| Methane Range | 40~640 ppm |
| Methane Sensitivity | 40 ppm |
| Propane Range | 40~640 ppm |
| Propane Sensitivity | 40 ppm |
| Gas Discrimination Filter | N/A |
| Response Time | within 10 seconds |
| Warm Up Time | within 60 seconds |
| Meter Size | 175(L) * 47(W) * 28(H) mm |
| Operating Temperature | -5~45℃ |
| Operating RH% | 5~95% RH (avoid condensation) |
| Storage Temperature | -20~50℃ |
| Storage RH% | 0~95% RH (avoid condensation) |
| Power Supply | 4 PCS AA Batteries or 9V Adaptor |
| Weight | ~120g |
| Flexible Probe Length | 18” (465 mm) |
| Standard Package | Meter, Manual, Batteries, Carry Case |