Specifications
| Detect gas | CO、H2S、O2、EX |
| Error of indication | ±5%FS |
| Sampling method | diffusion |
| Sensors principle | Catalytic combustion, electrochemistry |
| Resolution | 0.1%LEL（EX），1ppm（CO），0.1ppm（H2S），0.1%vol（O2） |
| Response time | T90≤60s |
| Shell material | Engineering Plastics |
| Operating temperature | -20~50℃ |
| Environmental humidity | 0~95% RH non-condensation |
| service life | 2-3 years (depending on the environment) |
| display language | Chinese + Digital + Image |
| Dimensions | 145*65*31mm |
| Operating Time | Fully charged sustainable work greater than 20h |
| Display | LCD screen |
| display content | Gas name, Measured value |
| Alarm mode | Sound, light, vibration |
| Explosion-proof sign | Ex d IIC T3Gb |
| security certification | CMC |
| alarm point | High/low alarm point |
| Power Supply | Built-in lithium battery |
| Battery Specifications | 3.7v/1600ma |
| Power Supply | Rechargeable |
| Weight | 260g |
| Operation mode | key |
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/17780/Specification.html , which is only used by users who purchase commodities from the NBCHAO.