Chlorine Sensor for the measurement of chlorine in both PPM and Mg/L

 

Chlorine Sensor

A Chlorine sensor is designed to measure the amount of chlorine in a solution.

When chlorine is dissolved into water it can appear as a number of different forms when hypochlorous acid and chlorite is formed, this referred to as Free Chlorine which when measured as part of chlorine demand forms our Residual Chlorine. The ratio of hypochlorous acid to chlorite is dependant heavily upon the pH of the measured solution as per the Chlorine section.

Alternatively - depending upon a number of factors including the propensity of nitrogen compounds including ammonia, then chlorine may form as Chloramines which are referred to as Total Chlorine.

Further to chlorine, other strong oxidisers such as Chlorine Dioxide or the anion Bromine can be used as efficient disinfectant or sanitising agents.

Sensor Types

There are a  number of different types of chlorine sensors available, each with their own relative merits and suitability for different applications. The common sensor types are:-

  • Amperometric or open amperometric chlorine sensor with a Copper and Platinum arrangement to from the anode and cathode to measure Free chlorine
  • Potentiostatic (Amperometric) chlorine Sensor with a dual platinum band and silver silver chloride reference electrode. Used to measure Free chlorine, Chlorine Dioxide and Dissolved Ozone. 
  • Membrane Covered Amperometric sensors which offer specific sensor types to measure Free Chlorine, Total Chlorine, Chlorine Dioxide or Hydrogen Peroxide.  

Chlorine Sensor Range


 

SZ283

SZ283

The SZ283 is a chlorine sensor utilising the amperometric methodology with a constant potential to give a dual platinum band potentiostatic chlorine sensor.

Designed for precision measurements of Free Chlorine, Chlorine Dioxide, Bromine or Dissolved Oxzone the SZ283 is often found in drinking water, water treatment, industrial processes and for industrial chlorination processes.

Designed for use with our Chlorine Controller range and for mounting inline or in a sample line where a constant flow is present.

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SZ7251

SZ7251

SZ7251 Auto clean flo­­­­­­­­­­­­­­­w cells for ORP, residual chlorine, dissolved ozone.

This cell is designed for the in-line or in-flow continuous measurement of ORP, residual chlorine or dissolved ozone in solution. The measuring sensor is inserted in the holder of the cell, which protects the body and places the sensing part in the right position into the cell.

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SZ7261

SZ7261

The SZ7261 Flow Cell is designed for the use with potentiostatic residual chlorine cells. The constant velocity flow cell controls the liquid speed near the measuring electrode over a wide variety of input flow speeds.

The package includes 2 m of 4 x 6 mm plastic tubing and the fitting for the cell connection to allow for the measurement of chlorine.

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