Specifications
| Response time | Pump suction T90 < 30s, natural diffusion T90 < 60s |
| Operating Environment | Temperature -10 ℃~ 50C; Humidity < 95% RH (no condensation) |
| Operating Voltage | DC3.7V (Battery Capacity 2500mAh) |
| Display mode | 2.0 inch color display, resolution 320 * 240 |
| Alarm mode | Sound and light vibration display quadruple alarm, TWA/STEL alarm |
| Sampling method | Pump suction, natural diffusion |
| Gas detection | 1~ 4 types of Gas detection |
| data communication | Support USB connection to the upper computer to view data |
| Charger | Type-C charging interface, 5V/1A standard charger |
| standby time | >8h |
| Charging time | <5h |
| Sensors Life | 2 years |
| size | Pump suction type 160 * 69 * 75mm; natural diffusion type 150 * 69 * 55mm |
| Weight | Pump suction Weight is about 372.5g; natural diffusion Weight is about 335g |
| Oxygen O2 range | (0-30)%VOL |
| Oxygen O2 Low Alarm Point | 19.5%VOL |
| Oxygen O2 high alarm point | 23.5%VOL |
| Oxygen O2 resolution | 0.1%VOL |
| Carbon oxide CO range | (0-1000)ppm |
| Carbon oxide CO low alarm point | 50ppm |
| Carbon oxide CO high alarm point | 150ppm |
| CO resolution | 1ppm |
| Hydrogen sulfide H2S range | (0-100)ppm |
| Hydrogen sulfide H2S low alarm point | 10ppm |
| Hydrogen sulfide H2S high alarm point | 35ppm |
| Hydrogen sulfide H2S resolution | 1ppm |
Packing list
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/42897/Specification.html , which is only used by users who purchase commodities from the NBCHAO.