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PT-DDS4 Media Preparation System

The PT-DDS4 media preparation and degassing instrument is a vital part of a dissolution testing system. Deaerated media are critical to the reproducibility of dissolution results. The PT-DDS4 can prepare up to 25 litres of pre-heated media, which is degassed by a combination of heating, vacuum and circulation.


  • Complies to USP, EP and FDA requirements
  • Prepares up to 25 litres of pre-heated and degassed medium
  • Medium is heated and constantly circulated while being degassed by vacuum
  • Media degassing is one of the most influential factors on USP suitability tests
  • Gravimetric dosing included as standard by means of an integrated load cell
  • Volumetric dosing directly into dissolution vessels available as option
  • Integrated cleaning program
  • Integrated qualification and calibration procedure