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Dissolution testing systems — selection and configuration
Dissolution testers are used in pharmaceutical laboratories to study the release of an active ingredient from tablets and capsules into a defined medium. Selection depends on vessel count and volume, stirring tools, temperature range and the test method.
Select equipment and request a quotation
State your method, workload and required options to prepare a comparable quotation.
Levels of automation
Temperature and stirring control do not imply automated sampling or sample analysis. An extended system requires a suitable sampling device, pump, fraction collector or analytical module. Product descriptions distinguish the basic instrument from optional automation components.
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Dissolution testers compared
| Model | Key differences |
|---|---|
| Pharma Test PTWS 820D | PTWS 820D: 8 × 1000 mL, 25–250 rpm and 25–45 °C; priced as a base configuration with manual sampling. |
| Agilent 708-DS | Agilent 708-DS: eight positions, accessory-dependent 100–2000 mL vessels and TruAlign; AutoTemp, DDM and 850-DS are options. |
| ERWEKA DT 958 | ERWEKA DT 958: eight positions in two rows, 20–250 rpm, 7-inch screen and TestAssist; automated sampling is specified separately. |
Automatic speed and temperature control do not imply automated sampling and analysis.
See the relevant product page for its price and configuration.
Manufacturer information and documents
Check the version, supply region and document revision. A series page may describe options that are not included in the specific configuration.
Configuration, pricing and procurement
For a quotation, specify the required configuration, number of instruments, installation city and services needed. Agree options, consumables, commissioning and staff familiarisation separately. Documentation, delivery times and warranty terms are specified in the quotation and contract. See the model page for its current price or quotation request option.
Questions before selection and procurement
Which models are listed?
Pharma Test PTWS 820D · Agilent 708-DS · ERWEKA DT 958.
Is automated sampling included?
Automated sampling is not promised in the listed base configurations. Sampling modules, pumps, collectors and analysis are selected for the method.
What should be specified in the supply package?
Specify the USP method, vessels, paddles or baskets, temperature control, sampling, qualification documents, software and training.
How can a fixed price be obtained?
Agree the exact equipment and option list, installation, training and service. A fixed price is established for a confirmed specification; each product page provides a quotation request.