CEMS Continuous Emission Monitoring System SO2 NO NO2 CO CO2 Gas Analyzer 0-200 mg/m3
This system monitors real-time concentrations of particulate matter and gaseous pollutants in flue gas emitted from stationary pollution sources such as boilers, industrial furnaces, incinerators, and more. It enables comprehensive supervision of production and emissions directly from the source.
The CEMS (Continuous Emission Monitoring System) consists of three fundamental components: the gaseous pollutant monitoring unit (SO2, NO, NO2), the flue gas parameter monitoring unit (temperature, pressure, flow rate, O2, humidity), and the data acquisition and processing unit.
Sample gas passes through a high-temperature heated pipeline, undergoes dust removal via a two-stage filter, and is dehumidified by a two-stage condensation system before directly entering the gas chamber of the analyzer. The gas chamber is housed within the analyzer and connected to an ultraviolet differential analyzer via ultraviolet optical fibers, ensuring accurate measurement of flue gas components.
- Secondary condensation for rapid water removal, reducing SO2 loss
- Long-life UV xenon lamp with high wavelength resolution ensures low detection limits, minimal temperature drift, fast response time, and accurate measurements
- PLC-controlled with adjustable parameters to adapt to complex working conditions
- Intelligent system design with traceable fault alarms for easy maintenance and troubleshooting
- Fully modular design, enabling flexible expansion of monitoring factors
- Flexible configuration: Users can choose between an NO2-NO converter or direct NO measurement as required
| Parameter Category | Measurement | Range | Specifications |
|---|---|---|---|
| Gaseous Pollutant | SO2 | (0~200) mg/m³ (customizable) | |
| NO | (0~200) mg/m³ (customizable) | ||
| NO2 | (0~200) mg/m³ (customizable) | ||
| O2 | (0~25)% | ||
| Repetitiveness | ≤2% | ||
| 24h zero drift and range drift | ≤±2% f.s. | ||
| One-week zero-point drift and range drift | ≤±3% f.s. | ||
| Linear error | ≤±2% f.s. | ||
| Response time | ≤120s | ||
| Particulate Matter | Measured range | (0.5~15)m | |
| Dust concentration range | (0~10) mg/m³ (customizable) | Accuracy ≤±2% f.s./24h | |
| Flue Gas Parameters | Temperature | (0~300) ºC (customizable) | |
| Pressure | (-10~10) kPa | ||
| Velocity of flow | (0~40) m/s, (0~2) kPa (output optional) | ||
| Humidity | (0~40) vol% | ||
| Data Acquisition and Processing | Data transmission module | 8-way analog input, 1-channel RS485 communication interface | |
| IPC | 6-way RS232 communication interface, Windows operating system | ||
| Operational software | Flue gas emission monitoring software monitor | ||
| Power Supply | AC 220V, 50Hz, ≤7kW | ||

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