Specifications
| Sensors principle | Infrared |
| Detection gas | Carbon monoxide CO |
| range | 0~2000ppm |
| Sampling method | circulation |
| resolution | 0.1PPM |
| Sampling method | circulation |
| Installation method | Wall mounted |
| Detection Accuracy | ≤±2% |
| linearity error | ≤±2% |
| Response time | ≤15s（T90） |
| Zero drift | ≤±2%(F.S/年) |
| recovery time | ≤15s |
| Sexual repeability | ≤±2% |
| Transmission method | Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers) |
| Explosion-proof sign | ExdII CT6 (flameproof type) |
| receiving device | User computer, control alarm, PLC, DCS, mobile phone, tablet computer, etc. are optional |
| Alarm method | On-site sound and light alarm, external alarm, remote Controller alarm, computer data collection software alarm, mobile APP notification, SMS alarm optional |
| Alarm settings | Standard configuration of first-level alarm, optional second-level alarm; alarm mode can be set: conventional high and low alarm, interval control alarm |
| Shell material | Die-casting aluminum + sand blasting oxidation/fluorocarbon paint, explosion-proof and corrosion-proof |
| Protection class | IP66 |
| Operating Temperature | -30~50℃ |
| Power | 24VDC（12～30VDC） |
| Operating Humidity | ≤ 95% RH, no condensation |
| Dimensions | 200*149*79mm |
| Weight | 1.5Kg |
| Operating Pressure | 86 ~ 120Kpa |
| Execution standards | GB3836.1-2010、GB3836.2-2010 |
| Alarm output method | 4-20ma |
Packing list
host X1, USB charger X1, instrument case 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/38912/Specification.html , which is only used by users who purchase commodities from the NBCHAO.