Specifications
| Detect gas | Carbon monoxide/hydrogen sulfide/oxygen/combustible gas |
| Carbon monoxide (CO) | Range: 0~ 999ppm/resolution: 1ppm |
| Hydrogen sulfide (H2S) | Range: 0~ 500ppm/resolution: 1ppm |
| Oxygen (02) | Range: 0~ 30.0% VOL/resolution: 0.1% |
| Combustible gas (LEL) | Range: 0~ 100% LEL/resolution: 1% |
| intrinsic error | <±0.1% |
| Response Time | < 50 seconds |
| Working time of battery | No alarm for 6 hours |
| show | LCD backlit display |
| Alarm value setting | Customizable high and low alarm value settings |
| Alarm mode | Sound/light/vibration triple alarm |
| Charging function | Support USB charging |
| Peak display mode | Yes. |
| TWA/STEL Observation mode | Yes. |
| High and low concentration alarm settings | Yes. |
| Standard gas setting mode | Yes. |
| Zero setting mode | Yes. |
| Gas calibration mode | Yes. |
| Maximum open circuit voltage | ≤4.2V |
| Operating Temp. & RH | -10 ° C~ 50 ° C/15%~ 95% RH (standard) |
| Storage temperature | 0~40°C |
| power supply | 3.7V lithium battery |
| Net weight of product | 360g |
| Product size | 75*138*43mm |
| Can be connected to air pump sampling | (Optional) |
Packing list
host 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/50756/Specification.html , which is only used by users who purchase commodities from the NBCHAO.