Brand：GUOYUGR
Model：GY/VGD-200-CO2-G(0-2000ppm)
Name：Carbon dioxide Detector (infrared)
Specifications
| detection medium | CO2 |
| resolution | 1ppm |
| detection range | 0-2000PPM (optional 5000ppm, 50000ppm, 20% Vol, 50% Vol, 100% Vol) |
| Detection principle | Infrared NDIR |
| Operating Mode | diffusion |
| receiving device | User computer, control alarm, PLC, DCS, DDC, etc |
| detection error | ≤ +/- 3% F. S (≤ 3% in full scale) |
| repeatability | ≤±2% |
| Linearity | ≤±2% |
| Response time | ≤30S |
| Operating Voltage | DC24V（ 12V ～30V） |
| Operating temperature | -20 ℃~ 50 ℃ (Special requirements: (-40 ℃~ + 70 ℃) |
| Operating humidity | 10-95% RH (non-condensing) |
| Sensors Life | 5 years (depending on the environment used) |
| Explosion-proof form | Probe Transmitters and Sensors are flameproof. |
| Connecting cable | ① Choose three-core Shielding cable for 4~ 20mA, and four-core for RS485. When the distance exceeds 1000 meters (with a Detector), the single Wire diameter is ≥ 1.5mm, and the Shielding layer is connected to the earth. ② Wireless transmission: Built-in LORA and Zigbeg modules can be used for short-range wireless transmission; external GPRS/4G modules can be used for remote data transmission to the cloud platform. History can be viewed on the computer and mobile phones without distance restrictions (optional) |
| Alarm mode | On-site sound and light alarm, external alarm, remote Controller alarm, computer data collection software alarm, etc |
| Alarm settings | Standard configuration Two-level alarm; Alarm mode can be set: conventional high and low alarm, interval control alarm |
| Dimension | 182*201*92（ L*W*H） |
| electrical interface | Default M20X1.5 internal thread, optional 3/4NPT, 1/2NPT |
| Measurement Certificate | Optional, user pays |
| Optional Accessories | 220V to 24V power adapter. Computer monitoring accessories: free host computer software, USB to RS485 conversion cable, RS485 to network port converter |
| Output signal 1 | ① 4-20mA signal: standard 12-bit Accuracy 4-20mA output chip, transmission distance 1Km; ② RS485 signal: using standard MODBUS RTU protocol, transmission distance 1Km |
| Output signal 2 | ③ Voltage signal: 0.4-2 V, 0-5V, 0-10V output, optional (Voltage output and current output choose one); ④ Switching signal: standard 1 group of passive touchpoint relays, Capacity 220VAC 3A/24VDC 3A; ⑤ GPRS, 4G, WI FI, LORA, ZigBee and other wireless signals |
Packing list
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/48662/Specification.html , which is only used by users who purchase commodities from the NBCHAO.