Karl Fischer Moisture Measurement

Karl Fischer titration is a classic titration method in analytical chemistry that uses coulometric or volumetric titration to determine trace amounts of water in a sample. It was invented in 1935 by the German chemist Karl Fischer.

Today, the titration is done with an automatised Karl Fischer titrator.

The popularity of the Karl Fischer titration is due in large part to several practical advantages that it holds over other methods of moisture determination, such as accuracy, speed and selectivity, little sample preparation is needed: a liquid sample can usually be directly injected using a syringe. The analysis is typically complete within a minute.

The Cou-Lo FT-Aquamax has been developed in response to many suggestions and comments from our customers in laboratories, off-shore and in the field. The built-in battery and optional carry case, provide the versatility required by the laboratory and also the ease of use and portability required by the field engineer.

The Cou-Lo FT-Aquamax is supplied ready for operation. A comprehensive glassware pack including electrodes, vessel, leads, syringe, printer paper, etc, is supplied as standard. A calibration certificate and 5 year warranty are also provided.


  • Simple operation
  • 10 user programmable methods 1ppm / 100%
  • Results in ppm, mg/kg, % & µg water
  • Multi language display & print out
  • Small footprint
  • Integral high speed printer
  • Integral battery
  • Fully portable


  • Quick diagnosis of water contamination
  • Results in ppm, mg/kg, % and µg water
  • Simple to use
  • Built in printer for fast results
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