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NO Gas Analyzer

NO Gas Analyzer

Product Description

Nitrogen oxide analyzers are essential tools for ensuring regulatory compliance, monitoring emissions, and optimizing industrial processes. Furthermore, they assist various industries in monitoring and controlling nitrogen oxide emissions, thereby helping to ensure compliance with environmental regulations and reducing the environmental impact of their operations. By providing accurate, real-time measurements of nitrogen oxide (NOₓ) concentrations, NOₓ analyzers facilitate the implementation of effective pollution control measures. These measures include adjusting combustion processes, optimizing air–fuel ratios, or installing selective catalytic reduction (SCR) systems. In summary, process engineers use nitrogen oxide analyzers to measure and analyze the concentration of nitrogen oxides in gas samples. These analyzers play a critical role in environmental monitoring, emission control, and process optimization across various industries.

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  • Model

    SUV-100

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Working Principle

UV-DOAS is a spectroscopic technique that exploits the differences in light absorption among different molecules. In a NOₓ analyzer based on UV-DOAS, a broadband light source emits light over a wide wavelength range. A detector then measures the intensity of transmitted light after it passes through the sample gas. By analyzing the absorption variations at specific wavelengths, the concentrations of NO and NO₂ can be determined. 

In conclusion, nitrogen oxide analyzers provide accurate, real-time measurements of NOₓ concentrations. These analyzers are widely used across industries for emission monitoring, combustion optimization, and regulatory compliance verification.

 

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Technical Specifications

  1. Analytical method: SO₂/NOₓ by UV-DOAS (direct measurement of NO and NO₂), O₂ by electrochemical method.
  2. SO₂ measurement range (mg/m³): 0–200 (customizable).
  3. NOₓ measurement range (mg/m³): 0–200 (customizable).
  4. O₂ measurement range: 0–25%.
  5. Repeatability: ≤ ±1% F.S.
  6. Zero drift: ≤ 2% F.S./week.
  7. Span drift: ≤ 2% F.S./week.
  8. Linearity error: ≤ ±2% F.S.
  9. Indication error: ≤ ±2% F.S.
  10. Power supply: 220 VAC ±10%, 300 W.
  11. Instrument air requirement: (0.6–0.8) MPa, oil-free and dry.
  12. 4–20 mA input channels: 2 channels, configurable, 100 Ω load.
  13. 4–20 mA output channels: 4 channels, configurable content, maximum load capacity < 800 Ω.
  14. Digital input channels: 4 channels, configurable.
  15. Relay output channels: 8 channels, configurable content, DC 24 V.
  16. Communication interfaces: 1 x RS-232, 1 x RS-485 (supports Modbus protocol).
The system is available for OEM.

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