| Sensors principle | electrochemistry |
| Detection gas | EX/O2/C0/H2S |
| Display error | +/- 5% FS (flammable )、 +/- 10% (carbon monoxide )、 +/- 5μmol/mol (hydrogen sulfide) |
| Response time | T<30s |
| Alarm method | LCD display real-time data and system status, Light Emitting Diode, sound, vibration indication alarm, fault and underVoltage |
| Operating Environment | Temperature -20 ℃~ 50 ℃; Humidity < 95% RH (no condensation) |
| Power | DC3.7V (lithium battery Capacity 2000mAh) |
| Explosion-proof sign | Ex ib IIB T3 Gb |
| Charging time | 6h~8h |
| Standby time | More than 8 hours |
| Sensors Life | 2 years |
| Dimensions | 130*65*45mm |
| Weight | 0.5kg |
| range | EX:0~100%LEL O2:0~30%vol C0:0~1000ppm H2S:0~100ppm |
| Resolution | 1%LEL/0.1%vol/1ppm/0.1ppm |
Warranty days: 365 days