The Digital Offline System for the DT 950 and 9510 Series marks the next advancement in digital dissolution testing. It enhances the cutting-edge technology of these series by introducing the first step in dissolution automation—fully automated sampling and vial storage for separate analysis.
The user can quickly set up and initiate dissolution tests with automatic sampling on the 7-inch touch screen with the TestAssist. Offline testing has never been quicker, simpler, or more accurate, thanks to the design concepts launched with the DT 950. The user is guided through the dissolution test with automatic sampling in a few easy stages. This guarantees consistently conforming parameters and permits flawless dissolution testing that is 100% USP, EP, and JP compatible.
ERWEKA Digital Offline System
Video Credit: ERWEKA
User management makes it possible to handle the entire Digital Offline system in a conformant manner with only a single click. Individual rights can be simply set up for users, which makes it easy to limit access to certain services to administrators, operators, and service personnel who are authorized.
The Digital Offline System is ERWEKA's best standalone dissolution system, offering a simple way to start using dissolution automation.

Image Credit: ERWEKA
Digital Dissolution Offline System DT 950 and DT 9510 Series
Key Features
- 100% USP / EP / JP Compliant
- USP Methods 1, 2, 5, and 6
- Intuitive Touch Interface
- Upgradeable at Any Time
TestAssist for Digital Dissolution Offline Testing

Image Credit: ERWEKA
The advanced TestAssist has been updated for digital offline testing.
- Easy setup for sample timing
- Advanced offline system settings
- Updated test interface for more information and transparency in the test procedure
User Management

Image Credit: ERWEKA
Flexible access control for the digital dissolution system is made possible by the improved user management:
- User rights management that is simple to use
- Guidelines for password complexity for secure access control
Stand-Alone Control of Connected Hardware

Image Credit: ERWEKA
The digital embedded PC technology in the DT 950 and DT 9510 digital dissolution testers fully controls the hardware of the connected system, including the sample collector, the automated sampling station ASS-9/-18, and the pump, which can be either PVP or IPC.
There is no need for an external computer, saving money, space, and upkeep while maintaining USP/EP/JP compliance and comfortable features using digital technology. The offline system includes all of the additional software features of the DT 950 platform, such as method memory, sampling station with temperature sensors in each vessel, USB update, and FTP data export.
Technical Data
Source: ERWEKA
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Weight |
42 kg |
Dimensions (H x W x D) |
850 x 650 x 650 mm |
Voltage |
115/230 V; 50/60 Hz |
Speed |
20-250 U/min |
Vessel volume |
400 ml / 1000 ml / 2000 ml |
Interfaces |
1x RS-232, 2x USB, 2x Ethernet/RJ45 |
Test stations (DT 956) |
6 in 2 rows |
Test stations (DT 957) |
7 in 2 rows |
Test stations (DT 958) |
8 in 2 rows |
USP methods |
USP 1 / USP 2 / USP 5 / USP 6 |
Fuses |
2 A |
Protection class |
I/EN 61140 |
Protection type |
IP 21/IEC 529 |
Operation |
Touchscreen 7", 800 x 480 Pixel |
Sampling positions |
High-head / Low-head / Cleaning mode |
Ambient temperature during operation |
10 °C to 30 °C (ambient temperature min. -5 °C below set temperature) |
Storage & Transport temp. |
5 °C to 40 °C |
Relative humidity |
25-80 % non-condensing |

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA

Image Credit: ERWEKA