Labonce Labonce-1000CT Drug Stability Testing Chamber
| Brand | Labonce |
|---|---|
| Model | Labonce-1000CT |
| Category | Pharmaceutical Stability Testing Chamber |
| Internal Volume | 1000 L |
| Internal Dimensions (W×D×H) | 1400×510×1400 mm |
| External Dimensions (W×D×H) | 1620×930×1980 mm |
| Temperature Range | 0–85 °C |
| Temperature Uniformity | ≤2.0 °C |
| Temperature Fluctuation | <±0.5 °C |
| Temperature Deviation | <±1.0 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 3.0 kW |
| Standard Shelves | 4 pcs (adjustable, total 8 positions) |
| Refrigeration System | Imported inverter compressor |
| Control System | Programmable color touchscreen controller with 3-tier user permissions and audit trail capability |
| Data Storage | Internal electronic logging + USB export |
| Safety | Independent over-temperature protection circuit |
| Door Structure | Dual-door design — outer insulated solid door + inner tempered glass door |
| Construction | Exterior — powder-coated steel |
| Compliance Reference | GB/T 10586–2006 “Technical Specifications for Damp Heat Test Chambers” |
Overview
The Labonce Labonce-1000CT Drug Stability Testing Chamber is an engineered environmental simulation system designed specifically for long-term and accelerated stability studies of pharmaceutical products, packaging materials, and excipients in accordance with ICH Q1–Q5 guidelines and regional regulatory expectations (including FDA, EMA, and NMPA). It operates on a forced-air convection principle with a precisely balanced air distribution system to maintain thermally stable and spatially uniform conditions across the entire 1000 L working volume. Unlike general-purpose incubators or ovens, the Labonce-1000CT integrates pharmaceutical-grade control architecture—including configurable temperature profiles, real-time deviation monitoring, and tamper-resistant data integrity features—making it suitable for GLP-compliant stability programs and GMP-aligned QC laboratories.
Key Features
- Forced-air circulation with optimized duct design ensures temperature uniformity ≤2.0 °C throughout the chamber interior, verified per ISO 16770 and aligned with ICH Q5C recommendations for spatial representativeness.
- High-efficiency inverter-driven refrigeration system reduces energy consumption by >50% compared to fixed-speed compressors, enabling stable operation across the full 0–85 °C range without thermal overshoot or cycling instability.
- Programmable 7-inch color touchscreen controller supports up to 20 multi-step temperature profiles, each with ramp-hold-soak logic, event-triggered alarms, and automatic recovery after power interruption.
- Three-level hierarchical access control (Operator / Supervisor / Administrator) enforces role-based permissions; all parameter changes, setpoint adjustments, and manual interventions are time-stamped and logged with user ID in an immutable audit trail compliant with 21 CFR Part 11 requirements.
- Dual-door configuration minimizes thermal disturbance during visual inspection: the outer door provides high-insulation sealing, while the inner tempered glass door allows non-intrusive observation without compromising chamber stability (temperature recovery time <2 min after 10 s opening).
- Stainless steel 304 interior chamber resists corrosion from repeated cleaning agents and humidity exposure; seamless welds and rounded corners facilitate decontamination and meet USP instrument qualification criteria.
Sample Compatibility & Compliance
The Labonce-1000CT accommodates standard stability storage configurations—including ICH-defined trays, aluminum foil-wrapped vials, blister packs, and secondary packaging units—without airflow obstruction. Its internal dimensions (1400 × 510 × 1400 mm) support stacked shelving arrangements compatible with WHO TRS 992 Annex 7 and EU GMP Annex 15 shelf-loading protocols. The unit is manufactured and validated per GB/T 10586–2006 (“Technical Specifications for Damp Heat Test Chambers”) and includes factory-installed IQ/OQ documentation templates. Optional PQ protocol support is available for site-specific installation qualification under ASTM E2500–13 and ISO/IEC 17025 frameworks.
Software & Data Management
All operational parameters—including real-time temperature readings, profile execution status, alarm history, and user activity—are stored internally in encrypted binary format with timestamped metadata. Data export is supported via USB 2.0 interface in CSV format, preserving column headers, UTC timestamps, and digital signatures for traceability. Optional integration with Labonce’s centralized LabManager™ software enables remote monitoring, automated report generation (PDF/Excel), and synchronized backup to network drives—fully compatible with enterprise LIMS environments. Electronic records comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) as defined in WHO Technical Report Series No. 992.
Applications
- ICH Q1A(R2) long-term (25 °C/60% RH) and accelerated (40 °C/75% RH) stability testing of drug substances and products
- Photostability assessment per ICH Q5C when integrated with optional UV-filtered lighting modules
- Thermal aging studies of polymer-based primary packaging (e.g., HDPE bottles, blister foils, pre-filled syringe components)
- Excipient compatibility screening under elevated temperature stress conditions
- Reference standard storage under controlled ambient conditions per USP
- Method validation support for dissolution, HPLC, and microbial assay procedures requiring stable environmental baselines
FAQ
Does the Labonce-1000CT support humidity control?
No — the Labonce-1000CT is a temperature-only stability chamber. For combined temperature/humidity testing, refer to the Labonce-1000CH series, which integrates precision humidification and dehumidification subsystems compliant with ICH Q1B and ISO 16770 Class II specifications.
Can the audit trail be disabled or edited by users?
No — the audit trail is write-once, read-many (WORM) and cryptographically sealed at firmware level. Modifications require physical reflash by authorized service personnel and generate immediate system alerts.
What calibration standards are used during factory verification?
NIST-traceable PT100 sensors calibrated against a Fluke 1523/1524 Dry-Well system (±0.05 °C uncertainty) are deployed at nine spatial locations per ICH Q5C mapping protocol prior to shipment.
Is the chamber suitable for use in classified cleanroom environments?
Yes — the unit meets ISO 14644-1 Class 8 (100,000) particulate limits when operated with HEPA-filtered supply air; optional GMP-compliant cable glands and static-dissipative finishes are available upon request.
How often does the system require preventive maintenance?
Annual PM is recommended, including refrigerant pressure verification, condensate drain inspection, door gasket integrity test, and controller firmware update validation — all documented in accordance with ISO 55001 asset management standards.

