Specifications
| Sensors principle | infrared |
| Detect gas | Carbon monoxide CO |
| Range | 0~2000ppm |
| Sampling method | circulation |
| resolution | 0.1PPM |
| Sampling method | circulation |
| Installation method | wall mounted |
| detection Accuracy | ≤±2% |
| Linearity | ≤±2% |
| Response time | ≤15s(T90) |
| Zero drift | ≤ +/- 2% (F. S/year) |
| recovery time | ≤15s |
| Repeatability | ≤±2% |
| transmission method | Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers) |
| Explosion-proof sign | ExdII CT6 (flameproof) |
| receiving device | User computer, control alarm, PLC, DCS, mobile phone, tablet computer, etc. are optional |
| Alarm mode | 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 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 anti-corrosion |
| Protection level | IP66 |
| Operating temperature | -30~50℃ |
| Operating Voltage | 24VDC（12~30VDC） |
| Operating humidity | ≤ 95% RH, non-condensing |
| Dimension | 200*149*79mm |
| Weight | 1.5Kg |
| Working pressure | 86~120Kpa |
| execution standard | 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/39240/Specification.html , which is only used by users who purchase commodities from the NBCHAO.