Product Introduction
Range 0~20ppm, 0~2000ppm optional, other ranges can also be customized;
Adopts imported first-tier brand electrochemical sensors, stable and durable;
High measurement accuracy, up to within ±5%FS, repeatability up to within ±2%;
Optional high-quality OLED display, allowing direct on-site reading of values, and clear display even at night.
485 type:
| Power supply | 10~30V DC |
| Average Power Consumption | 0.18W |
| Output signal | 485 |
| Temperature measurement range | -40℃~80℃ |
| Temperature Accuracy | ±0.5℃（25℃） |
| Humidity measurement range | 0~100%RH |
| Gas concentration measurement range | 0~20ppm、0~2000ppm |
| Humidity accuracy | ±3%RH（60%RH,25℃） |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Operating Pressure | 91~111kPa |
| NO2 resolution | 20ppm：0.1ppm |
| 2000ppm：1ppm | |
| Stability | ≤2% signal value/month |
| Response time | 20ppm：≤30s |
| 2000ppm：≤60s | |
| Preheating Time | ≥5min |
| Detection accuracy | ±5%FS |
| Repeatability | ≤2% |
| Zero Drift | 20ppm：≤±0.5ppm |
| 2000ppm：≤±20ppm |
Analog type:
| Power supply | 10~30V DC (0~10V output type can only be powered by 24V) |
| Average Power Consumption | 0.18W |
| Output signal | 4-20mA、0-5V、0-10V |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Gas concentration measurement range | 0~20ppm、0~2000ppm |
| Operating Pressure | 91~111kPa |
| NO2 resolution | 20ppm：0.1ppm |
| 2000ppm：1ppm | |
| Stability | ≤2% signal value/month |
| Response time | 20ppm：≤30s |
| 2000ppm：≤60s | |
| Preheating Time | ≥5min |
| Detection accuracy | ±5%FS |
| Repeatability | ≤2% |
| Zero Drift | 20ppm：≤±0.5ppm |
| 2000ppm：≤±20ppm |
WIFI type:
| Power supply | 10~30V DC |
| Average Power Consumption | 0.18W |
| Temperature measurement range | -40℃~80℃ |
| Temperature Accuracy | ±0.5℃(25℃） |
| Humidity measurement range | 0~100%RH |
| Humidity accuracy | ±3%RH（60%RH,25℃） |
| 工作温度 | -20~50℃ |
| Working humidity | 15~90%RH non-condensing |
| Operating Pressure | 91~111kPa |
| NO2 resolution | 20ppm：0.1ppm |
| 2000ppm：1ppm | |
| Stability | ≤2% signal value/month |
| Response time | 20ppm：≤30s |
| 2000ppm：≤60s | |
| Preheating Time | ≥5min |
| Detection accuracy | ±5%FS |
| Repeatability | ≤2% |
| Zero Drift | 20ppm：≤±0.5ppm |
| 2000ppm：≤±20ppm | |
| WIFI communication parameters | 802.11b/g/n |
| Security | Security mode WEP/WPA-PSK/WPA2-PSK Encryption type WEP/TKIP/AES |
| Configuration tool | "Bluetooth Tap-to-Configure" |
Dimension drawing:
Main Application Areas
- Air Quality Monitoring — Continuous measurement of NO2 concentration in ambient air for environmental compliance and public health protection.
- Industrial Emission Control — Monitoring nitrogen dioxide emissions from industrial processes to ensure regulatory compliance and reduce environmental impact.
- Indoor Air Quality — Detection of NO2 levels in workplaces, offices, and public buildings to maintain safe and healthy indoor environments.
- Chemical and Petrochemical Plants — Real-time NO2 monitoring in chemical processing and petrochemical facilities to prevent hazardous gas exposure.
- Automotive and Tunnel Monitoring — Measurement of NO2 concentrations in tunnels, parking garages, and vehicle testing facilities to ensure air quality safety.
Keywords：nitrogen dioxide transmitter, NO2 sensor, industrial NO2 detector, electrochemical NO2 transmitter, air quality NO2 monitor, NO2 gas transmitter, nitrogen dioxide monitor, NO2 concentration sensor
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