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Surveillance Systems

Our product range contains a wide range of Uniphos Continuous Emission Monitoring Systems and Ambient Air Quality Monitoring System

Uniphos Continuous Emission Monitoring Systems

Uniphos Continuous Emission Monitoring Systems (CEMS)

The Uniphos CEMS is an online analyser for measuring concentration of various toxic gases in industrial process/ boiler stack. Being capable of Auto /remote calibration with digital communication, it provides a complete solution for stack monitoring.

Uniphos CEMS are available based on different technologies depending upon the suitability and users requirement:

  • Highly sensitive & gas specific Chemiluminescence / Fluorescence based NOX and SO2Gas Analyzers
  • Non-Dispersive Infrared (NDIR) based Analyzers
  • Electrochemical sensor based analyzers
Chemiluminescence Based NOx Stack Gas Analyzer

Chemiluminescence has long been recognized as the best practical analytical method for NOx detection at parts per billion level and with little or no interference from other pollutant gases. When nitric oxide reacts with ozone, nitrogen dioxide in the excited state is produced. These excited molecules return to ground state by emitting light in the region 600-2800nm which is measured using a Photomultiplier tube. The amount of light produced is proportional to the amount of nitric oxide in the sample. Hence the concentration of NO can be determined very accurately.

Measuring range:0-100 / 0- 1000 / 0-2000 ppm

Resolution:1 ppm

Fluorescence Based SO2Stack Gas Analyzer

The Uniphos SO2analyzer is based on UV fluorescence technique, which utilizes measurement of SO2fluorescence typically in the range of 240-420 nm resulting from the optical excitation of SO2molecules. The fluorescence intensity is related to SO2concentration. Suitable techniques are adopted to remove interference from moisture and hydrocarbons to make the analyzer highly specific for SO2detection.

Measuring range:0-100 / 0- 1000 / 0-2000 ppm

Resolution:1 ppm

  • Features

  • Measurement based on Chemiluminescence technique
  • Internal ozone generation
  • Fast and reliable analysis
  • On board memory for storage of test results along with time and date
  • Minimum maintenance
  • Auto / Remote calibration with calibration gas cylinder
  • Application Areas

  • Continuous Emissions Monitoring
  • Combustion efficiency
  • Vehicle emission
  • Mobile laboratory
  • Specifications
  • Continuous Emissions Monitoring
  • Combustion efficiency
  • Vehicle emission
  • Mobile laboratory
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Ambient Air Quality Monitoring System

Ambient Air Quality Monitoring System

Uniphos Ambient Air Quality Monitoring System (AAQMS) is a fully integrated air quality monitoring station delivering high levels of performance. The analyzers are based on advanced technologies like Fluorescence, Chemiluminescence, UV & IR Photometry etc., which are highly sensitive and selective to target gases. The modular type station comes with standard rack type analyzers integrated with a big touch screen display.

  • Features

Uniphos Ambient Air Quality Monitoring System (AAQMS) is a fully integrated air quality monitoring station delivering high levels of performance. The analyzers are based on advanced technologies like Fluorescence, Chemiluminescence, UV & IR Photometry etc., which are highly sensitive and selective to target gases. The modular type station comes with standard rack type analyzers integrated with a big touch screen display.

  • Highly sensitive ppb level detection
  • Auto / Remote Calibration Facility
  • Built in Zero Air Generator
  • Touch screen Interface
  • Minimum Maintenance
  • Comes with optional weather monitoring setup
  • SO2 UV Fluorescence : 0-1000 ppb
  • NO, NO2, NOX Chemiluminescence: 0-1000 ppb
  • O3 UV Photometry: 0-1000 ppb
  • CO Gas Filter Correlation: 0-25 ppm
  • H2S UV Fluorescence : 0-1000 ppb
  • NH3 Chemiluminescence: 0-1000 ppb
  • PM 1, PM 2.5, PM10, TSP Light scattering 0-60 mg/m3
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