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DioSense – Chlorine Dioxide

           Online, continuous Chlorine Dioxide Analyzers and Controllers make up the DioSense range which utilizes the very latest and best chlorine dioxide sensors available in the world today. There are two sensors in the range. The first is a membraned device which is insensitive to chlorine, uses no reagents, is extremely stable, and has reduced maintenance and reduced whole life costs. The second is a non membraned 3 electrode sensor that is capable of high temperature and high pressure operation.

Key Benefits

  • Amperometric sensors – continuous online chlorine dioxide ppm measurement
  • No chemical reagents – lower cost of ownership
  • Stable and reliable – excellent process control
  • Suitable for all potable and process water
  • Up to 6 months between maintenance
  • No interference from residual chlorine
  • Tolerant of water containing detergent
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Specification

Chlorine Dioxide Sensor Probe

Application:                                         All kinds of water treatment (e.g. bottle washing machine, CIP-plants)

Type:                                                     Membrane covered, amperometric 2-electrode system

Measurand:                                         Chlorine Dioxide

Sensor ranges:                                  0-0.50 mg/l; 0-2 mg/l; 0-5 mg/l; 0-10 mg/l; 0-20 mg/l

Working Temperature:                     >3 up to 50oC

Max. allowed Working Pressure:  1,0 bar, no pressure impulses and/or vibrations

Flow Rate:                                           Approx. 0.5 l/min (min 0.2 l/min)

pH Range:                                           pH1 to pH11

Calibration:                                         Manual using a suitable ClO2 test kit

Every 1 week to 3 months, application dependent

Interferences:                                    Cl2: does not interfere

O3: is measured with a sensitivity 25 times higher than ClO2

1% sulfuric acid or 1% nitric acid in the water have no

influence to the measuring behavior

Maintenance:                                                

Change of membrane cap:      Yearly (depending on the water quality)

Electrolyte:                                  Every 3-6 months

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