UV400 Online Water Analyser

Commissioning Available

On Site Calibration

Remote Cloud Monitoring

UV400 Online Water Analyser

Description

The UV400, based on a modular concept, allows to monitor simultaneously many different parameters for waste water or drinking water treatment plants as well as river monitoring stations. Each parameter corresponds to a specific optical module that can be selected by the user while ordering the analyser, depending on the application. Mainly based on UV spectroscopy, well known for its stability and low operating cost, the UV400 can measure parameters like organic matter, ammonia, nitrate, aromatics hydrocarbons (PAH), colour, hydrogen sulphide and chlorophyll A. Complementary modules allows the measurement of phosphate by colorimetric method and turbidity by a visible or infra-red laser diode.External probes can be added for physicochemical parameters like pH, ORP, dissolved oxygen, conductivity and turbidity.Thanks to its automatic cleaning system and its extremely long life time lamp, the maintenance is roughly limited to the periodic refill of the inexpensive cleaning solution and eventually reagents depending on the parameters.

UV-visible Spectroscopy

  • Most of the measurements (UV254, NH4, H2S, NO3, Colour, PO4, PAH, Chlorophyll A) are based on the UV-VIS spectroscopy that brings fast and stable measurements with a simple hydraulic circuit for a high reliability.
  • All the measurements are done within 5 seconds except PO4, NH4 and H2S that require about 3 minutes.
  • The patented flow cell allows very high level of suspended solid without clogging. The turbidity of the sample is automatically compensated by a dual-wavelength method as shown on the figure.
  • The UV source is a xenon flash lamp specified for 109 flashes that corresponds to more than 10 years of life time with one measurement every minute.
  • Physico-chemical measurements (pH, ORP, Dissolved oxygen, Conductivity) can be added to the internal measurements by using external probes. The dissolved oxygen probe is based on fluorescence method for a lower maintenance and higher stability.
  • Three external turbidity probes (high, medium and low range) are also available if the measurement need to be done in situ, for example before filtering.

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