Specifications
| Detect gas | Carbon monoxide (CO), imported electrochemistry /NDIR infrared carbon monoxide gas Sensors |
| Measurement range | 0-50ppm |
| resolution | 0.01ppm |
| Response time | ≤ 20 seconds (T90) |
| Linearity | ≤±1% |
| detection Accuracy | ≤ +/- 1% (depending on the Sensors) |
| Zero drift | ≤ +/- 1% (F. S/year) |
| recovery time | ≤ 20 seconds |
| Repeatability | ≤±1% |
| gas expansion | Supports 1-6 Sensors (optional) |
| Explosion-proof certification | CNEx16.0547 |
| Protection level | IP65 |
| production license | Guangdong 00001052 (CMC metrology authentication) |
| Humidity | Optional accessories, temperature detection range: -25~ 60 ℃, Humidity detection range: 0~95% RH |
| Detection method | Diffusion, flow, pump suction optional |
| Installation method | Wall-mounted, pipeline type (thread size: M40X1.5mm), circulation type |
| 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 Optional 4-20mA + Hart output ⑤ Switching signal: standard 2 sets of relays, optional third set of relays, passive touchpoint, 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: 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) |
| 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 | ① Standard configuration two-level alarm, optional three-level alarm ② Gas Sensors can set two alarm modes of conventional high and low alarm and interval control, which can control the concentration range of gas ③ Temperature sensor can set the control range ④ Humidity Sensors can set the control range |
| shell material | Die casting aluminum + sand blasting oxidation/fluorocarbon paint, explosion-proof and anti-corrosion |
| Operating temperature | -30~50 ℃ (Humidity environment requires customization or optional pretreatment system) |
| Operating humidity | ≤ 95% RH, non-condensing |
| Working pressure | 0 ～ 100Kpa |
| Power Supply | 24VDC（12～30VDC） |
| size | 200*149*79mm(L×W×H） |
| Weight | 1.5Kg |
| execution standard | GB3836.1-2010 "Explosive environments - Part 1: Equipment - General requirements" GB3836.2-2010 "Explosive environments - Part 2: Equipment protected by flameproof enclosures" d " |
| optional range | 0-100、500、1000、2000、5000、10000、40000ppm |
Packing list
host X1, calibration cover X1, manual X1, certificate 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/48447/Specification.html , which is only used by users who purchase commodities from the NBCHAO.