| Sampling Method | Pump suction |
| Gas Type | Carbon monoxide (CO), Hydrogen Sulfide(H2S), Oxygen(O2), Combustible gas (LEL), other gases can be customized. |
| Measure Range | CO: 0 PP to 1000 PPM or 0 PPM to 2000 PPM, H2S: 0 PPM to 100 PPM or 0 PPM to 200 PPM or 0 PPM to 500 PPM, O2: 0% VOL to 30% VOL or 0% VOL to 25% VOL, EX: 0% LEL to 100% LEL or 0% VOL to 100% VOL, other measure ranges can be customized. |
| Resolution | CO: 1 PPM, H2S: 0.1 PPM, O2: 0.1% VOL, EX: 1% LEL, according to sensors. |
| Response Time | ≤30 S |
| Precision | ≤±2% F.S |
| Automatically Test And Calibrate After Power-On | Including reset, maximum value (MAX), minimum value (MIN), STEL, TWA value |
| Unit | PPM and mg/m³ can be switched |
| Display | Monochrome graphics (160 x 96, screen can be automatically flipped |
| Backlight | The backlight time can be manually set, and will be turned on automatically when an alarm is issued |
| Data Record | Can store 100,000 sets data, the storage interval is adjustable from 5 to 3600 seconds, data can be exported |
| Alarm | 95 dB buzzer at 11.1 in (30 cm), vibration alarm and flashing red LED and alarm status indication on the screen, alarm latched; diagnostic alarm and battery undervoltage alarm, pump block alarm; man down alarm, with early warning and optional real-time remote Bluetooth notification function |
| Battery | 3.7 V rechargeable lithium battery, battery capacity 2200 mA |
| Working Hours | More than 15 hours in continuous pumping mode |
| Charger | Travel charger with DC interface, charging time ≥ 4 hours |
| Protection Grade | IP67 or IP68 |
| Working Temperature | -4 ℉ to 122 ℉ (-20 ºC to +50 ºC) |
| Humidity | 0% RH to 90% RH (no condensation) |
| Environmental Pressure | 86 Kpa to 106 Kpa |
| Size | 6.2 in x 3.3 in x 2.3 in (157 mm x 84.5 mm x 59.5 mm) including back clip/water trap filter (length x width x height) |
| Weight | 0.80 Ib (0.365 kg) including battery, belt clip and filter |
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