Specifications
| Detection gas | CO、H2S、O2、EX |
| range | 0~1000ppm，0~100ppm、0~30%vol、0~100%LEL |
| resolution | H2S 0.01ppm、CO 0.1ppm、O2 0.01%vol、NO2 0.01ppm |
| temperature and humidity | Optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0-100% RH |
| Sampling method | Pump suction |
| Detection Accuracy | ≤±3% |
| Response time | ≤20s（T90） |
| recovery time | ≤20s |
| data storage | Real-time storage and Timer storage can be set; single channel can store 30800 groups of data |
| Explosion-proof sign | Ex ia IIC T4 Ga |
| Protection class | IP66 |
| Power | 4000mA Rechargeable Polymer Battery |
| Product size | 180*85*55 mm（L×W×H） |
| Weight | 0.5 Kg (net Weight) |
| linearity error | ≤±1% |
| Zero drift | ≤±1%(F.S/年) |
| Sexual repeability | ≤±1% |
| Shell material | ABS+PC |
| Operating Temperature | -30 ~ 50℃ |
| Environment humidity | ≤ 95% RH, no condensation |
| Operating Pressure | -30Kpa ~ 200Kpa |
Packing list
Dust filtrator x1, instrument case x1, manual x1, certificate x1, USB charger x1, data cable x1, calibration cover x1.
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/42914/Specification.html , which is only used by users who purchase commodities from the NBCHAO.