Specifications
| Detection of gas: | carbon dioxide |
| Detection range: | 0-10/20/50/100% VOL can be calibrated on demand |
| Resolution: | 0.01%VOL |
| Detection principle: | Non-dispersed infrared principle (NDIR) |
| Detection method: | Diffusion, flow, pump suction optional |
| Installation method: | Wall-Mounted, Pipeline Type (Thread Size: M40X1.5mm) |
| Detection accuracy: | ≤ +/- 1% F. S /≤ +/- 3% F. S Depending on Sensor |
| Response Time: | ≤ 15 seconds (T90) |
| Recovery time: | ≤ 20 seconds |
| Linearity: | ≤±1% |
| Zero drift: | ≤ +/- 2% (F. S)/year |
| Repeatability: | ≤±1% |
| Signal output: | ① 4-20mA signal: standard 16-bit accuracy 4-20mA output chip, transmission distance 1Km ② RS485 signal: using standard MODBUS RTU protocol, transmission distance 2Km ③ Voltage signal: 0-5V, 0-10V output, can be set by yourself ④ Pulse signal: also known as Frequency signal, Frequency range adjustable (optional) ⑤ Switching signal: standard 2 sets of relays, optional third set of relays, relay passive touch point, capacity 220VAC 3A/24VDC 3A |
| Transmission method: | ① Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers) ② TCP/IP transmission: support TCP/IP protocol, use optical fiber, network cable, long-distance real-time transmission through intranet, extranet (optional) ③ GPRS transmission: can be built-in GPRS module, real-time remote transmission of data, without distance restrictions (optional) ④ Wireless transmission: support 433Mhz, radio transmission mode, transmission distance 2-10Km, depending on different Power (optional) ⑤ Video transmission: can support security surveillance cameras, when the device alarm for on-site capture, forensics (optional) |
| Receiving device: | User computer, control alarm, PLC, DCS, user mobile phone, Ipad, etc |
| Alarm mode: | On-site sound and light alarm, external alarm, SMS alarm, remote controller alarm, computer data collection software alarm, mobile app notification |
| Alarm settings: | Standard configuration two-level alarm, optional three-level alarm; Alarm mode can be set: conventional high and low alarm, interval control alarm |
| Explosion-proof signs: | ExdII CT6 (flameproof) |
| Protection Ratings: | IP66 |
| Power Supply: | 24VDC（12～30VDC） |
| Size and weight: | 200 * 149 * 79Mm (L × W × H) 1.5Kg (Net weight of instrument) |
| Shell material: | Die casting aluminum + sand blasting oxidation/fluorocarbon paint, explosion-proof and anti-corrosion |
| Operating temperature: | -20 ～ 50℃ |
| Operating humidity: | ≤ 95% RH, non-condensing |
| Operating Pressure: | 0 ～ 100Kpa |
| Standard accessories: | manual, certificate of conformity |
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/50736/Specification.html , which is only used by users who purchase commodities from the NBCHAO.