Specifications
| Detection gas | CO、H2S、O2、EX |
| range | 0~1000ppm，0~100ppm、0~30%vol、0~100%LEL |
| resolution | 0.1ppm，0.01ppm，0.01%vol |
| temperature and humidity | Optional accessories, temperature detection range: -40~120 ℃, humidity detection range: 0~100% RH |
| Sampling method | Pump suction |
| Detection Accuracy | ≤±3% |
| linearity error | ≤±1% |
| Response time | T90≤20s |
| Zero drift | ≤±1%(F.S/年) |
| recovery time | ≤20s |
| Sexual repeability | ≤±1% |
| data storage | Real-time storage and Timer storage can be set; single channel can store 30800 groups of data |
| Explosion-proof sign | Ex ia Ⅱ C T4 Ga |
| Shell material | ABS+PC |
| Protection class | IP65 |
| Operating Temperature | -30~60℃ |
| Environment humidity | 0~95% RH non-condensing |
| Operating Pressure | -30Kpa ~ 200Kpa |
| Power | 4000mA Rechargeable Polymer Battery |
| Dimensions | 180*85*55mm |
| Execution standards | GB3836.1-2010、GB3836.4-2010 |
Packing list
host X1, USB charger X1, calibration cover X1, instrument case X1, manual X1, certificate X1, warranty card X1.
After-sales instructions
Warranty days: 365 days
The warranty period of the instrument is one year (one year free warranty, except for damage caused by human causes), and the damaged parts will be replaced free of charge during the warranty period. The guaranteed supply time of the parts supporting the instrument is 5 years, and the price of the corresponding consumables and spare parts remains unchanged for 3 years.
[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/16061/Specification.html , which is only used by users who purchase commodities from the NBCHAO.