UDT-818-8 is a 8-Positions Dissolution Tester that is suitable for USP Apparatus 1,2,5 & 6. It is used for drug research and development, as well as for the dissolution evaluation of generic drugs.
Features
- Perform comparative dissolution studies, generic vs. innovator, in the same environment
- Built-in heater-circulator for uniform temperature control
- Manual or automated sampling
- Dual filtration supported: sample probe pre filter followed by in-line syringe filteration
- Tablet dropping tray simultaneously dispenses dosage into each vessel
- Storage compartments for paddles and baskets
- Backlit LED lighting for easy visual observation of the dissolution process
- Stores up to 100 methods
- Three security levels and full audit trail
- 21 CFR Part 11 tools, USP, ASTM, EP, JP, CP compliant

Extended Functions
- Compatible with 1 L, 2 L, 4 L, and small volume vessels
- Expandable to 2 or 3 speed zones
- Compatible with basket, paddle, paddle over disk, and rotating cylinder USP apparatus types
- Includes infinity test programming
- Compatible with the Logan PERMETRO™ system for bioavailability and pilot BE studies
- Compatible with automated sampling system
- The autosampler uses a precision syringe pump with dedicated syringes per vessel position, to ensure no cross contamination
- Use up to two wash media sources for automated tubing cleaning post-test run
- Support on-line UV
- Optional individual automated digital temperature probes in each vessel for better temperature monitoring
- Dual vessel cover design eliminates media evaporation
- Optional remote monitoring system for mobile devices
Automation Configurations
UDT-818 | UDT-818-8 | UDT-818-12 | UDT-818-15 | UDT-818-18 |
---|---|---|---|---|
Auto Controller | ☑️ | ☑️ | ☑️ | ☑️ |
Sample Collector | ☑️ | ☑️ | ☑️ | ☑️ |
Syringe Pump Positions | 8×1 | 6×2 | 8×2 | 6×3 |
Automated System Includes
UDT-818-8 | Auto Sampling System |
---|---|
Speed: 25-250 rpm ±1 rpm Resolution: 0.1 rpm 3/8 inch shafts: 8 ea. Paddle blades: 8 ea. 40 mesh baskets: 8 ea. Built-in heater-circulator Temperature range: ambient to 45 °C ± 0.5 °C or better Waterbath: One piece molded PETG waterbath Power: 110 V AC, 50/60 Hz 220 V AC, 50/60 Hz |
Auto controller and sample collector Precision syringe pump Sample collector: 1-10 mL HPLC vial rack Test tube rack Collection: up to 20 time points per sample rack Volumetric accuracy: 0.1 mL Users: 100 Storage up to 100 methods Multi-language support Built-in printer Color touch screen Power: 110 V AC, 50/60 Hz 220 V AC, 50/60 Hz |