Pharma-test PTZ AUTO EZ Series Fully Automatic Disintegration Tester

Overview

The Pharma-test PTZ AUTO EZ Series Fully Automatic Disintegration Tester is an engineered solution for precise, reproducible disintegration testing of solid oral dosage forms—including tablets, capsules, and suppositories—in accordance with pharmacopoeial standards (USP , EP 2.9.1, JP 17). It operates on the principle of electrical conductivity detection: when a tablet or capsule disintegrates completely in the specified medium, the conductive path between the metal ring on the basket’s upper plate and the stainless-steel mesh base is closed—triggering automatic termination of the test cycle for that individual position. This eliminates subjective visual interpretation, especially critical for opaque or turbid media where endpoint determination by sight is unreliable. Designed and manufactured in Germany since 1979, the PTZ AUTO EZ integrates a thermally stable water bath system, high-precision mechanical actuation, and real-time per-vessel temperature monitoring to ensure compliance with Good Laboratory Practice (GLP) and Good Manufacturing Practice (GMP) requirements.

Key Features

• Fully automatic conductivity-based endpoint detection per basket—no manual observation required
• Independent control of all 1–4 baskets: synchronized or staggered start/stop, automatic descent at initiation and full retraction upon completion
• High-resolution LCD display with intuitive numeric keypad for rapid method navigation and parameter entry
• Integrated Pt100 temperature sensors in each vessel—continuous logging and deviation alerting within ±0.2 °C accuracy
• Programmable disintegration time range from 1 second to nearly 60 hours, supporting extended-release formulations and non-standard protocols
• Stainless-steel (AISI 316L) wetted parts and structural frame—corrosion-resistant, cleanroom-compatible, and validated for routine cleaning validation
• Dual independent thermal safety cutoffs prevent overheating under fault conditions, meeting IEC 61010-1 requirements
• Ultra-low-noise drive mechanism (<45 dB(A)) suitable for shared laboratory environments without acoustic interference
• Circulating water bath with PID-controlled heating and active cooling capability ensures uniform temperature distribution across all vessels

Sample Compatibility & Compliance

The PTZ AUTO EZ accommodates standard USP/EP-compliant baskets (22 mm diameter) and supports both immediate- and modified-release dosage forms. Its modular basket assembly allows quick replacement of worn meshes or adaptation to specialized accessories such as sinker discs or capsule holders. All hardware and firmware are designed to meet regulatory expectations for instrument qualification (IQ/OQ/PQ), including documented traceability of calibration parameters, temperature uniformity mapping, and mechanical stroke verification. The system complies with ISO/IEC 17025:2017 for testing laboratories and supports full audit trail generation when operated via the optional PTZ32 software—enabling compliance with FDA 21 CFR Part 11, EU Annex 11, and MHRA GxP data integrity guidelines.

Software & Data Management

The PTZ32 control software provides comprehensive method management, real-time monitoring, and automated reporting. Up to 16 pre-configured test methods—including dissolution medium type, temperature setpoint, cycle frequency, and pass/fail criteria—can be stored and recalled. Each test generates timestamped raw data files (.csv and .pdf), including per-basket disintegration times, temperature logs, and system status flags. Electronic signatures, role-based user permissions (administrator/operator/auditor), and immutable audit trails satisfy ALCOA+ principles. Data export supports LIMS integration via secure FTP or direct database push. All software updates undergo formal change control and version documentation per GAMP 5 standards.

Applications

• Quality control release testing of conventional and extended-release tablets and capsules
• Formulation development studies assessing excipient effects on disintegration kinetics
• Stability program monitoring under accelerated and long-term storage conditions
• Comparative bioequivalence support through standardized disintegration profiling
• Regulatory submission dossier preparation requiring fully traceable, compliant test records
• Contract laboratory services operating under GLP or GMP-accredited frameworks

FAQ

Does the PTZ AUTO EZ require manual intervention during testing?
No—the system performs fully unattended operation from basket immersion to endpoint detection, data recording, and basket retraction.
Can it be used with non-aqueous media?
Yes, provided the medium exhibits sufficient electrical conductivity; low-conductivity solvents may require addition of electrolytes or alternative validation per USP general chapter .
Is temperature uniformity across all vessels validated?
Yes—each unit ships with a temperature mapping certificate (per ASTM E2873) covering the full operating range (25–45 °C) and all basket positions.
How is compliance with 21 CFR Part 11 ensured?
Through PTZ32 software with configurable electronic signatures, audit trail review tools, and locked archival of raw data—validated during installation qualification.
What maintenance is required for long-term reliability?
Routine tasks include weekly inspection of basket mesh integrity, quarterly calibration of temperature sensors, and annual mechanical stroke verification using certified gauge blocks.