OPSIS AR600 – Continuous Emission Monitoring System (CEMS)
The Endress+Hauser OPSIS AR600 is a state-of-the-art continuous emission monitoring system (CEMS) based on UV Differential Optical Absorption Spectroscopy (DOAS) technology. It provides simultaneous, multi-component measurement of gaseous pollutants for industrial stack emission monitoring and regulatory compliance.
Key Features
- UV DOAS technology for simultaneous multi-component measurement
- Measured components: SO₂, NOₓ (NO + NO₂), CO, HCl, HF, NH₃, Hg
- Cross-stack measurement – no sample extraction required
- Response time: <10 seconds
- Automatic zero and span calibration
- Communication: 4–20 mA, Modbus TCP, OPC-UA
- Compliant with EN 14181, EN 15267, EPA PS-2, TÜV certified
Applications
- Power plant stack emission monitoring
- Waste incineration plant compliance
- Cement and lime kiln emission monitoring
- Industrial boiler and furnace monitoring
Technical Specifications
| Parameter | Specification |
|---|---|
| Measuring principle | UV DOAS |
| Measured components | SO₂, NO, NO₂, CO, HCl, HF, NH₃, Hg |
| Measurement type | Cross-stack (in-situ) |
| Response time | <10 seconds |
| Communication | 4–20 mA, Modbus TCP, OPC-UA |
| Certifications | EN 14181, EN 15267, EPA PS-2, TÜV |





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