Specifications
| Sensors principle | Principles of Electrochemistry |
| Detection gas | Oxygen (O ³) |
| range | 0 ~ 25% VOL |
| resolution | 0.1% |
| Accuracy | ±2%FS |
| Temperature and humidity Measurement range | -10~50°C,1%~99%RH |
| Display | LCD black and white screen |
| Sensors Life | 5 years |
| Response time | ≤ 15 seconds |
| Charging method | USB interface |
| Charging Tips | The light turns red to indicate the charging state, and the light turns green to indicate that it is fully charged. |
| Battery Capacity | 1000mAh 3.7V lithium battery |
| Charging adapter | AC input 100~240V DC output 5V 1000mA |
| Battery working time | ≥ 90 hours (continuous work) |
| Environment temperature | -10～50℃ |
| Alarm method | Sound, light, light alarm |
| Backlit display | √ |
| Alarm settings | √ |
| Automatic shutdown settings | √ |
| Low battery display | √ |
| Zero calibrated | √ |
| Gas calibration | √ |
| Temperature and humidity unit conversion | √ |
| Charging Tips | √ |
| Product size | 182.9*63.6*29.5mm |
Packing list
complete-built unit X1, manual X1, certificate of conformity X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[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/41697/Specification.html , which is only used by users who purchase commodities from the NBCHAO.