Specifications
| Detect gas | CO、H2S、O2、EX |
| Sensors principle | Electrochemistry | catalytic combustion |
| Sampling method | Pump suction |
| Range | 0~1000ppm(CO)、0~100ppm(H2S)、0~30%vol(O2)、0~100%LEL（EX） |
| CO- resolution | 1ppm |
| detection Accuracy | 2%~3% F.S. |
| Interface | USB |
| Response time | ≤10s |
| Repeatability | ≤±1% |
| Linearity | ≤±1% |
| Zero drift | ≤ +/- 1% (F. S/year) |
| Display | LCD dot matrix display technology |
| Operating language | Support Chinese and English |
| Display unit | Multiple Gas Unit switch display |
| Operating temperature | -20~50℃ |
| Environmental humidity | 0~95%RH |
| Explosion-proof sign | Exia ⅡCT4 |
| Protection level | IP66 |
| Alarm mode | Sound, light, vibration |
| Operating Time | 100H (turn off the pump) |
| Dimension | 205*75*32mm |
| Weight | 300g |
| EX- resolution | 1%LEL |
| O2- resolution | 0.1%VOL |
| H2S- resolution | 0.1ppm |
Packing list
machine X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
[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/25613/Specification.html , which is only used by users who purchase commodities from the NBCHAO.