Specifications
| Detection method | diffusion |
| Detect gas | Combustible gas, oxygen, carbon monoxide, hydrogen sulfide |
| Range | Combustible gas: 0-100% LEL, oxygen: 0-30% VOL, carbon monoxide: 0-1000PPM, hydrogen sulfide: 0-100PPM |
| resolution | Combustible gas: 1% LEL, oxygen: 0.1% VOL, carbon monoxide: 1PPM, hydrogen sulfide: 1PPM |
| Response time | ≤ 60 seconds (T90) |
| Repeatability | ≤±2% |
| Alarm mode | Acoustic, light alarm, status indication, relay Output signal |
| signal output | Rs485 adopts standard MODBUS RTU protocol/relay switch |
| Operating humidity | ≤ 95% RH, no condensation |
| Operating temperature | -40℃～70℃ |
| Detect gas pressure | 86kPa ~106kPa |
| Relay load | Two sets of relay output, touchpoint Capacity: 30VDC 2A/125VAC 1A |
| Installation method | Wall Mount, Pipeline (Thread Size: NPT) |
| terminal | M20x1.5、G1/2 |
| Connection Cable | 2X0.75mm Shielding line |
| shell material | Die-casting aluminum, explosion-proof |
| Dimension | 227 * 154 * 106Mm (L x W x D) |
| Weight | About 1.8kg |
| Explosion-proof sign | Ex db IIC T6 Gb/Ex tb IIIC T80℃ Db |
| Explosion-proof level | IP66 |
Packing list
After-sales instructions
None
[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/48466/Specification.html , which is only used by users who purchase commodities from the NBCHAO.