Continuous Ambient Air Quality Monitoring System Micro Station PM2.5 SO2 CO NO2 O3 TVOC
Grid-based Air Quality Monitoring System Micro Station PM2.5 SO2 CO NO2 O3 TVOC Online Gas Monitoring System
>>Overview
>>Feature
High Integration: Can simultaneously integrate sensors for particulate matter, SO₂, CO, NO₂, O₃, TVOC, and meteorological five-parameter sensors.
Optical Sizing: Utilizes optical particle sizing technology for simultaneous monitoring of PM₁.₀, PM₂.₅, PM₁₀, and TSP.
Constant Flow Control: Incorporates flow feedback for constant flow control, ensuring sampling volume stability and enhancing accuracy.
Built-in Protection: Features sheath gas protection and gas path protection functions.
Professional Design: Structural design by professional design institutes for easy installation.
Tiered Air Paths: Features dual-pump air paths with main channel for particulates and auxiliary channel for gas modules.
Data Stability: Equipped with temperature and humidity sensing, gas cross-interference algorithms, zero drift compensation, and calibration across measurement ranges.
Dynamic Dehumidification: Can be equipped with a dynamic heating dehumidification sampling system to avoid data distortion in humid environments.
Data Transmission: 4G, RS232/RS485.
Data Export: Features USB port and/or SD card slot, supporting local data export (includes local storage with capacity >530,000 records).
Weather Resistance: Protection against rain, snow, and lightning.
Traceability: Traceable to NIST (National Institute of Standards and Technology).
Resume Transmission: Features power failure protection and data resume/re-transmission upon network restoration.
Information & QC: Includes device information management, data management, and data quality control functions.
Local Display: Equipped with LCD display and local debugging functions.
Multi-stage Filtration: Incorporates a two-stage or higher filtration system to prevent foreign matter from affecting sensor accuracy and precision.
Service Life: Main unit >10 years; Particulate Matter Sensor >5 years; Gas Sensors >2 years.
Calibration/Zeroing: Supports automatic/manual zero calibration and calibration functions.
| 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 |
| 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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