Distek Evolution 6100 Dry-Block Dissolution Tester
| Brand | Distek |
|---|---|
| Origin | USA |
| Model | 6100 |
| Heating Rate | 2°C/min |
| Vessel Capacity | 500–1000 mL (up to 7 positions) |
| Rotational Speed Range | 25–350 rpm |
| Speed Resolution | 0.1 rpm |
| Speed Accuracy | ±0.2 rpm |
| Temperature Display Resolution | 0.01°C |
| Temperature Accuracy | ±0.25°C |
| Operational Age | 4 years |
| Warranty | 6 months |
| Compliance | USP <711>, <724>, FDA-recognized dry-block dissolution platform |
Overview
The Distek Evolution 6100 Dry-Block Dissolution Tester is a fully compliant, USP-validated dissolution system engineered for precision, reproducibility, and regulatory readiness in pharmaceutical quality control and formulation development laboratories. Unlike conventional water-bath systems, the Evolution 6100 employs a patented dry-block heating architecture—eliminating water contamination risks, reducing maintenance overhead, and enabling rapid thermal equilibration across all vessel positions. Its measurement principle is based on standardized paddle (USP Apparatus 2) and basket (USP Apparatus 1) dissolution methodologies, with real-time rotational speed and block temperature monitoring synchronized to pharmacopeial acceptance criteria. Designed and manufactured in the United States, this instrument meets the mechanical calibration and performance verification requirements outlined in USP (Dissolution), (Drug Release), and FDA guidance for dissolution apparatus qualification. The system operates under a robust embedded controller architecture, supporting both manual operation and method-driven automated sequences.
Key Features
- Patented dry-block heating technology—no water bath required, eliminating evaporation drift, microbial growth risk, and bath-level calibration dependencies
- Independent, USP-compliant control of paddle and basket rotation speeds (25–350 rpm, resolution 0.1 rpm, accuracy ±0.2 rpm)
- Integrated high-stability temperature sensors embedded directly into each heating block—ensuring ±0.25°C accuracy and 0.01°C display resolution
- Seven-position vessel configuration accommodating standard 500 mL to 1000 mL dissolution vessels
- Automated shaft lift mechanism with programmable vertical positioning—reducing operator variability during vessel loading and probe insertion
- Onboard method storage with recall capability—supporting repeat testing without external software dependency
- ProduceKey™ intelligent diagnostics—providing real-time hardware status feedback, error logging, and preventive maintenance alerts
Sample Compatibility & Compliance
The Evolution 6100 accommodates standard USP-compliant dissolution vessels, baskets, paddles, sinkers, and flow-through cells (with optional accessories). It supports immediate-release, extended-release, and delayed-release dosage forms—including tablets, capsules, granules, and transdermal patches—under both static and dynamic sampling conditions. All mechanical components are constructed from 316 stainless steel and chemically resistant polymers suitable for aggressive dissolution media (e.g., 0.1 N HCl, pH 4.5 acetate buffer, simulated intestinal fluid). The system conforms to current FDA expectations for apparatus qualification and is routinely validated per PQ (Performance Qualification) protocols aligned with ICH Q2(R2) and ASTM E2503. It supports audit-ready documentation when integrated with compliant LIMS or chromatography data systems meeting 21 CFR Part 11 requirements.
Software & Data Management
While the Evolution 6100 operates autonomously via its front-panel interface, it features RS-232 and USB connectivity for integration with third-party dissolution analysis platforms (e.g., Distek Opti-Diss, Empower, or custom LabVIEW-based acquisition systems). All method parameters—including rotation speed, target temperature, run duration, and vessel identification—are timestamped and stored internally with non-volatile memory. Exportable logs include temperature ramp profiles, speed stability traces, and event timestamps (e.g., start/stop, shaft lift, alarm triggers). When paired with compliant software, the system supports electronic signatures, user access levels, and full audit trail functionality consistent with GLP and GMP environments.
Applications
- Pharmaceutical QC release testing per USP monographs and internal specifications
- Formulation optimization studies requiring precise thermal and hydrodynamic control
- Stability-indicating dissolution profiling across multiple time points and pH conditions
- Bioequivalence support testing in accordance with FDA and EMA guidance
- Excipient interaction screening using variable agitation intensity and temperature ramping
- Method transfer between R&D, pilot plant, and commercial manufacturing sites
FAQ
Is this unit fully calibrated and verified prior to shipment?
Yes—each Evolution 6100 undergoes comprehensive mechanical verification per USP , including rotational speed accuracy, temperature uniformity across all seven blocks, vessel centering, and vertical alignment. A full PQ report is provided with delivery.
Does the dry-block design affect dissolution hydrodynamics compared to water-bath systems?
No—hydrodynamic equivalence has been demonstrated in peer-reviewed validation studies. The Evolution 6100 maintains laminar flow profiles and Reynolds number consistency within USP-defined tolerances when operated at specified rpm and vessel geometry.
Can this instrument be upgraded to support automated sampling or UV detection integration?
Yes—standardized I/O ports and mounting interfaces allow seamless integration with Distek Auto-Sampler modules or third-party autosamplers and spectrophotometers.
What documentation accompanies the instrument?
You receive the original OEM user manual, calibration certificates, PQ summary report, firmware version log, and a traceable 6-month parts-and-labor warranty agreement.
