The new range of ERWEKA light dissolution testers delivers the proven ERWEKA quality in a comprehensive economic package for a budget for simple dissolution testing with USP method 1, 2(included), 5 and 6.

The DT 1212 light is equipped with 12 test stations and a fixed drive head (high-head), allowing easy access to each of the 1000 ml vessels for manual sampling. The delivered package also includes vessel centering rings with shafts, low evaporation covers, USP 2 paddles and shafts as well as a distance ball for right height adjustment of the paddles. All managed in a light and compact design.

The unique water bath of moulded PET is equipped with the time-proven ERWEKA water outlet for easy cleaning. The external flow through heater reduces the influence of external vibrations and ensures a constant temperature.

All these features make sure that the ERWEKA DT 1212 light dissolution testers are the perfect entry-level devices for the world of dissolution testing.

Download the Product Spec Sheet here.


  • 100% USP/EP/JP compliant
  • High-head mode for easy access to the vessels and manual sampling
  • Shafts with paddles for USP Method 2 Paddles
  • Easy cleaning of the water bath and the set-up area
  • External flow through heater reduces influence of external vibrations and ensures constant temperature
  • Simple control using symbol keypad with LED display for temperature, RPM and runtime

Dissolution Tester Specifications

  • USP method 1, 2(included), 5 and 6 with 12 test stations
  • Fixed drive head (High-Head) with easy access to vessels
  • 100% USP/EP/JP compliant
  • Rotation speed 20 – 220 rpm
  • Function keypad with individual UP/DOWN keys for each test parameter
  • Fulfils all specifications in accordance with FDA “Mechanical Calibration”
  • Evaporation less than 1% during 24 h (37 °C / 50 rpm / 1000 ml)
  • USB-A printer interface (for selected printers) USB-B interface for firmware updates
  • External high power heater; heating range: 20-50°C, even distribution of temperature
  • External PT 100 temperature sensor
  • One piece PET moulded waterbath
  • Dimensions (width / depth / height): 932 mm / 444 mm / 656 mm
  • Weight: 60 kg