Product Details

Erweka Dissolution Tester DT 720 Series (ERW-DT720)

Erweka Dissolution Tester DT 720 Series


ERWEKA DT 720-series has been designed in accordance with USP/EP/JP requirements for testing tablet and other dosage forms.

It combines state-of-the-art with excellent and userfriendly design. The High-Head and Low-Head operating modes offer highest flexibility. The tester can be used as a stand-alone tester as well as a dissolution system equipped with an automated samling station and operated via the ERWEKA Disso. net software.

The manual lifter column, with gas strut support for effortless operation, allows raising and lowering of the drive head in just a few seconds.

Tablets, pellets etc. are inserted through the sampling openings in the drive head via the standard tablet delivery system. Samples for analysis are withdrawn through special, membrane sealed sampling openings inside the drive head. The evaporation is less than less than 1% during 24h (37.0°C, 50rpm, 1000ml).

Delivery time: 4-6 Weeks
Delivery times may vary
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The extensive use of carbon fibre allowed to eliminate metal and therefore reduces the risk of corrosion to a minimum.
The actual test-run parameters can be documented via an USB printer (optional)


Paddles for Low-Head and High-Head
Each DT 720 can be fitted with the UniShaft system for stirring steel- or fluoropolymer coated stirring elements. At the UniShaft system one single stirring shaft is used to screw on either paddle (PEEK), basket holder or rotating cylinder. Due to the special design, height adjustment is not required.

The UniShaft system, in combination with two different stirring shaft lengths allows to operate DT 720 in either conventional High-Head- or low-evaporation Low-Head mode.

Further UniShaft stirring methods can be inserted into the media individually and therefore are the perfect selection when staggered test-start is required.

UniShaft system incl. 8 numbered stirring shafts for Low-Head use
UniShaft system incl. 8 numbered stirring shafts for High-Head use
UniShaft system incl. 8 numbered, certified stirring shafts for Low-Head use
UniShaft system incl. 8 numbered, certified stirring shafts for High-Head use

External PT 100 temperature sensor for water bath or media temperature display
Automatic tablet drop with control of temperature tolerance (USP)
USB A printer interface for documentation of the test run parameters (time, date, rpm, temperatures etc.)
Low evaporation vessel cover for High-Head operation
External cooling device with autonomous operation
Video monitoring/recording of dissolution test in time lapse mode
Vessels 1000 ml, 2000 ml, glass or amber glass (UV protected), 250 ml mini glass vessels
Paddles, baskets, discs for paddle-over-disk, rotating cylinders, enhancer cell, intrinsic dissolution, felodipine baskets, suppository baskets, extraction cell
Dissolution qualification tool kit
Upgrade to work as online dissolution system
USP compliant automated sampling station with automatic height adjustment of sampling points
IQ/OQ/PV documents
IQ/OQ/PV service
Maintenance service

Technical details:
Dissolution tester for USP methods 1 (basekt), 2 (paddle), 5 (paddle-over-disk) and 6 (rotating cylinder) with 6, 7 or 8 test stations (726, 727, 728)
100 % USP/EP/JP compliant
Fulfills all specifications in accordance with FDA "Mechanical Calibration"
Low-Head- and High-Head operations
LE display for each test parameter with up/down buttons
Evaporation less than 1 % (50 rpm / 1000ml / 37°C / 24h)
Lifter column with gas strut support for effortless lifting and lowering of the drive head
Automatic height adjustment of the stirring elements
Automatic vessel centering via centring rings
External high-power heater, heating range: 30-40°C, even distribution of temperature
Wobble less than 0.2 mm (paddles)
Standard manual tablet drop magazine for 8 samples.
Height adjustment feet for quick levelling
RS 232 interface for PC connection, USB B interface for firmware updates
Dimensions: 830 mm (width incl. heater) / 640 mm (depth) / 940 mm (height) / 47 kg ( weight)

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