The Air Quality Online Monitoring System primarily consists of a particulate matter measurement device, gas monitoring modules, and a data acquisition and wireless transmission unit. Combined with monitoring platform software, it enables functions such as air quality publishing, comprehensive data analysis, pollution exceedance alarms, urban environment photography, and video surveillance.
| Parameter Category | Specifications |
|---|---|
| Particulate Matter (PM) |
Measurement Method: Laser Scattering
Measured Parameters: PM₂.₅, PM₁₀, PM₁₀₀, TSP
Concentration Range: 0 - 30 mg/m³
Concentration Precision: 0.1 µg/m³
Concentration Accuracy: ±10%
|
| Inorganic Gases |
Measurement Method: Electrochemical Method
Measured Parameters: SO₂, NO₂, CO, O₃, TVOC
Concentration Range:
SO₂: 0-1 ppm NO₂: 0-1 ppm CO: 0-200 ppm O₃: 0-5 ppm TVOC: 0-20 ppm
Concentration Precision:
SO₂: 0.001 ppm NO₂: 0.001 ppm CO: 0.01 ppm O₃: 0.001 ppm TVOC: 0.001 ppm
Concentration Accuracy:
SO₂: ±5% NO₂: ±5% CO: ±5% O₃: ±5% TVOC: ±5% |
| Meteorological Parameters |
Temperature: Range: -50 ~ 100°C; Accuracy: ±0.3°C
Humidity: Range: 0 ~ 100% RH; Accuracy: ±3% RH
Wind Speed: Range: 0~30 m/s; Accuracy: ±1 m/s (≤10 m/s), ±10% (>10 m/s)
Wind Direction: Range: 0~360°; Accuracy: ±3°
Atmospheric Pressure: Range: 1~120 kPa; Accuracy: ±0.15 kPa
|
| General Specifications |
Data Transmission: 4G transmission; Capable of uploading to data platforms; Compliant with China's standard HJ212-2017 communication protocol.
Ingress Protection (IP): IP53
Power Supply: AC 220V
Output Interfaces: RS232, RS485, etc.
Installation Method: Pole-mounted/Bracket-mounted
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