


Portable 4 Gas Detector Ex O2 CO H2S with Pump for Petroleum Chemical Industries
SPECIFICATIONS
| Range | Resolution | L-alarm | H-alarm | |
| CO | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| O2 | 0-30%vol | 0.1%vol | 19.5%vol | 23.5%vol |
| H2S | 0-100ppm | 0.1ppm | 10ppm | 20ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| Accuracy | ≦±5% F.S. |
| Response Time | ≦30s |
| Indication | LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low voltage. |
| Sensor | O2 /H2S / CO: plug-in electrochemical sensor; Combustible gas (LEL): plug-in catalytic combustion sensor. |
| Working environment | -20℃~50℃, <95%RH (no dew) |
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. |
| Power Source | DC3.7V Li-on battery, 1800mAh |
| Charging time | 6h~8h |
| Working time | ≧8h continuously (without alarming) |
| Gas Sensor Life | 2 years |
| Explosion-proof grade | ExiaIICT3 |
| Protection Grade | IP65 |
| Weight | Appr. 400g (with battery) |
| Dimensions | 130mm×67mm×30mm(L × W × H) |
| Standard accessories | Suit case packaging, 1pc; Charger, 1pc; Calibration cap, 1pc; Communications cable, 1pc; User manual, 1pc.Pump,1pc |