Specifications
| Sensors principle | Electrochemistry, infrared, catalytic combustion, PID photoion (depending on specific gas and requirements) |
| Detection gas | Combustible gases, oxygen, carbon monoxide, hydrogen sulfide |
| range | Combustible gas: 0~100% LEL; Oxygen: 0~30% VOL; Carbon monoxide: 0~1000ppm; hydrogen sulfide: 0~100ppm |
| Sampling method | Pump suction |
| Accuracy | ≤±2%(F.S) |
| Concentration unit | Ppm, mg/m3,% VOL,% LEL (switchable display) |
| Display technology | Liquid crystal dot matrix display technology |
| Alarm method | Level 2 sound and light alarm |
| Working Voltage | 3.7VDC |
| Battery Capacity | 1800mA with charging protection circuit |
| Operating Time | 100H (off pump) |
| Explosion-proof sign | Exia II CT4 |
| Protection class | IP66 |
| Operating temperature | -40℃~70℃ |
| Operating humidity | 0-95% RH |
| Shell material | ABS+PC |
| Dimensions | 205*75*32mm |
| Total Weight | 300g |
| Minimum reading | Combustible gas: 0.1% LEL; Oxygen: 0.01% VOL; Carbon monoxide: 0.1ppm; hydrogen sulfide: 0.01ppm |
Packing list
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/40405/Specification.html , which is only used by users who purchase commodities from the NBCHAO.