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Dissolution Tester DT 820 Series


ERWEKA DT 820 series offers advanced intelligence and features for stand-alone operation or for control of complete dissolution offline sampling system. It allows storage of up to 60 product test-run parameters.


The DT 820 series can be equipped with 6, 7 or 8 test stations and be used in standard High-Head or Low-Head mode. It offers a OQ traffic light to show USP/EP compliance as well as an external temperature sensor for checking the water bath.

The water bath is designed for easy access and cleaning and is made of non-leaking PET.



  • OQ Traffic Light for display of the USP/ EP compliance of the unit
  • Hours of operation counter
  • Automatic height adjustment
  • Automatic vessel centering
  • Standard tablet drop magazine for 8 samples
  • Evaporation less than 1% during 24h (37.0°C, 50rpm, 1000ml).
  • pH change routines, menu guided optic and acoustic reminder for manual sampling (count-down) 
  • Manual lifter with gas strut support
  • One-piece moulded PET water bath with outlet valve
  • PT 100 external temperature sensor for water bath- or media temperature display included
  • Heating range: 30-50° C (+/- 0.2° C), cooling optional
  • Pre-heat function
  • Wobble less than 0.2 mm at delivery (paddles)
  • Corrosion-free plate for holding the vessels
  • Programme menu for storage of the monographs of up to 60 products
  • Automatic self-check of the temperature in the bath/vessels before test start
  • Alpha-numeric touch sensitive keypad with illuminated full-graphic 5.7” Dot-matrix display
  • USB printer interface for documentation of the test run parameters (time, date, rpm, temperatures etc.) by a standard printer



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