Chromatotec Group

Ammonia Analyzer (NH3)


Ammonia analyzer (NH3) at ppm level Ambient air and Emission monitoring.

  • Online ammonia analysis has become essential to keep up with the environmental and sanitary regulations.These analyses involve different markets such as: industrial effluent monitoring, waste water treatment plant and ambient air.
  • The method used is based on the Fourier transform of the absorption spectrum of ammonia NH3.
  • This system need very low operating and maintenance costs. Indeed, the Xenon lamp has a lifetime of around 10 years with one measurement every minute.
  • Moreover, it is important to note that no interferences can be caused by suspended particules.

  • 12 Volt battery for complete autonomy
  • 24 Volt pump on standard model to sample only what is needed by the analyzer
  • Air zero generator (NH3 ≤ 0.1ppm) for the analyzer blank and for the dilution of the calibration
  • Calibration system with NH3 permeation tube is used to confirm the results
  • Automatic cleaning system
  • Multiplexer
  • Measurement remote control
  • Specific cabinet upon request

Sample temperature:

  • 0 to+30°C (to be confirmed depending on application)

Standard detection range:

  • 0-100 ppm (contact us for other range)

Maximum performance:

  • Analyzer’s optimum function at 22°C ± 5°C
  • Installed by Chromatotec®

Detection system:

  • UV Spectroscopy

Working pressure:

  • Max 2 bar


  • Graphic display and data storage


  • Directly available on the screen
  • Data format compatible with Excel
  • Full traceability of results


  • RS-232 for computer, modem, Modbus or printer

Signal output and relay:

  • 4 – 20 mA
  • High and low threshold relays

Power supply:

  • 110/120 Volt or 220 / 240 Volt and 50 / 60Hz
  • Battery: 24V (option)

Electrical consumption:

  • 30 VA

Dimensions and weight:

  • Rack: 19’’ (5U)
  • Height: 222 mm
  • Width: 482 mm
  • Depth: 660 mm
  • Net weight analyser: 20 kg

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