Specifications
| Detection gas | Carbon monoxide CO |
| range | 0~1000ppm |
| Optional range | 0~500/2000/5000%ppm |
| resolution | 1PPM |
| alarm point | Low: 50PPM High: 150PPM |
| Sensors | Electrochemistry, Catalytic combustion, Semiconductor, PID Light Ion, Infrared Gas Sensors |
| Installation method | Wall-mounted, pipeline type (thread size: M35X1.5mm), circulation type, pump suction type optional |
| Transmission method | Standard 4-20mA; Standard RS485 Model: Standard MODBUS RTU Protocol: Optional 433MHz Wireless Transmission Function |
| Working Voltage | DC24V±15% |
| Detection Accuracy | ≤±3%F.S |
| linearity error | ≤±1%F.S |
| Response time | ≤20s |
| Zero drift | ≤±1%(F.S/年) |
| recovery time | ≤20s |
| Explosion-proof sign | Exd II T6 GB |
| Explosion-proof Certificate number | CNEx16.0449 |
| Protection class | IP65 |
| Connectivity | M20x1.5、G1/2 |
| Connection Cable | 3X1.5mm2 Shielding Cable |
| Operating Pressure | 86 ~ 106Kpa |
| relay | Two sets of relay outputs, touchpoint container: 30VDC 2A/220VAC 0.3A |
| Operating Temperature | -20~50℃ |
| Operating Humidity | ≤ 95% RH, no condensation |
Packing list
Complete-built unit X1, Encasement box X1, Charger X1, Calibration cover X1, Manual X1, Certificate 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/39795/Specification.html , which is only used by users who purchase commodities from the NBCHAO.