HePu LHH-150SD Drug Stability Testing Chamber
| Brand | HePu |
|---|---|
| Model | LHH-150SD |
| Temperature Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Humidity Range | 40–95 %RH |
| Humidity Uniformity | ±3 %RH |
| Inner Chamber Dimensions (W×D×H) | 500×505×600 mm |
| Power Supply | AC 220 V, 50 Hz |
| Compliance | ICH Q1A(R2), Chinese Pharmacopoeia (2005 Ed.), GB 10586–2006 |
| Controller Type | Programmable Touchscreen (1–99 segments) |
| Standard Shelving | 3 stainless steel trays |
| Construction | 304 stainless steel inner chamber with radius-corner design |
| Air Circulation | Optimized horizontal airflow duct system with left-side 25 mm test port |
Overview
The HePu LHH-150SD Drug Stability Testing Chamber is a precision-engineered environmental simulation system designed explicitly for pharmaceutical stability studies in compliance with international regulatory frameworks. It operates on the principle of balanced temperature and humidity control—achieving dynamic equilibrium between refrigeration, heating, and humidification subsystems to maintain highly reproducible climatic conditions over extended durations (up to 180 days or longer). This architecture ensures minimal thermal gradient deviation across the working chamber and eliminates condensation-induced microenvironment fluctuations that compromise sample integrity. The chamber supports all three core ICH Q1A(R2) stability protocols: long-term (25 °C/60 %RH or 30 °C/65 %RH), intermediate (30 °C/65 %RH), and accelerated testing (40 °C/75 %RH), making it suitable for registration batches, shelf-life determination, and post-approval change management under GMP-aligned workflows.
Key Features
- 304 stainless steel inner chamber with fully rounded corners (R ≥ 25 mm) for seamless cleaning and residue-free decontamination—critical for multi-product facilities operating under ALCOA+ data integrity principles.
- Imported hermetic industrial-grade compressor paired with high-accuracy capacitive humidity sensors (±1.5 %RH typical accuracy) and PID-controlled steam humidifier for stable RH delivery across the full 40–95 %RH range.
- 7-inch programmable touchscreen controller supporting up to 99 segmented cycles, real-time parameter logging, password-protected user levels, and automatic deviation alarm triggers with event timestamping.
- Horizontally oriented air distribution ductwork ensures uniform airflow velocity (≤0.3 m/s) and temperature/humidity homogeneity (≤±0.5 °C / ±3 %RH per ICH Q1A Annex II verification protocol).
- Left-side 25 mm diameter access port with silicone gasket seal enables integration with external monitoring probes (e.g., fiber-optic temperature sensors, CO₂ analyzers) without compromising chamber integrity.
- Structural redundancy includes dual-stage overtemperature protection, independent humidity safety cutoff, and phase-failure detection—all documented in the factory-installed IQ/OQ validation package.
Sample Compatibility & Compliance
The LHH-150SD accommodates standard pharmaceutical packaging formats including blister cards, HDPE bottles, aluminum tubes, and glass vials placed on three adjustable 304 stainless steel shelves (max load: 15 kg/shelf). Its chamber geometry (500 × 505 × 600 mm) permits placement of ICH-recommended sample arrays (e.g., 3 × 3 grid per shelf at 50 mm spacing) while maintaining required air exchange rates (>10 air changes/hour). The system conforms to the technical requirements of the 2005 edition of the Chinese Pharmacopoeia, GB 10586–2006 “Environmental Test Equipment—General Technical Conditions”, and supports audit readiness for FDA pre-approval inspections and EU Annex 11 assessments. All operational parameters—including setpoints, deviations, alarms, and manual interventions—are recorded with electronic signatures and time-stamped audit trails compliant with 21 CFR Part 11 Annex A requirements when paired with optional validated software modules.
Software & Data Management
The embedded controller stores minimum 30 days of continuous 1-minute interval data (temperature, humidity, runtime, alarm status) internally. Optional USB export enables CSV-formatted traceability logs compatible with LIMS platforms such as LabWare LIMS and Thermo Fisher SampleManager. For enterprise integration, the chamber supports Modbus RTU communication (RS-485 interface) to feed real-time process variables into SCADA systems or MES dashboards. An optional SMS alert module (add-on SKU) transmits critical fault notifications—including compressor shutdown, sensor drift >±2 %RH, or door-open events—to up to five designated mobile numbers, ensuring uninterrupted oversight during unattended operation.
Applications
- ICH Q5C biopharmaceutical stability assessment of monoclonal antibodies, recombinant proteins, and viral vectors under defined temperature-humidity stress conditions.
- Forced degradation studies per ICH Q5A(R2) to evaluate oxidative, hydrolytic, and photolytic degradation pathways—when used in conjunction with externally mounted UV/visible light sources.
- Stability protocol execution for ANDA submissions, including bracketing and matrixing designs per ICH Q5D, supported by configurable cycle sequencing and batch-specific parameter locking.
- Raw material and excipient compatibility screening under variable RH conditions to identify hygroscopicity-driven crystallinity shifts or polymorphic transitions.
- Validation of cold chain packaging performance using real-time mapping with wireless data loggers (e.g., Vaisala viewLinc or Onset HOBO U12).
FAQ
Does the LHH-150SD meet ICH Q1A(R2) temperature and humidity tolerances for accelerated testing?
Yes—the chamber maintains 40 °C ±2 °C and 75 %RH ±5 %RH continuously over 6 months, verified via NIST-traceable calibrated probes per ASTM E2234–22 mapping protocol.
Can the unit be qualified for GMP use out-of-the-box?
It ships with a complete IQ/OQ documentation package (including calibration certificates, sensor linearity reports, and alarm response verification records); PQ must be performed on-site using client-defined acceptance criteria.
Is remote monitoring possible without third-party software?
Local Ethernet connectivity is not included; however, RS-485 Modbus output allows integration with existing facility-wide building management systems (BMS) or PLC networks.
What maintenance intervals are recommended for long-term reliability?
Compressor oil inspection every 12 months, humidifier tank descaling every 90 days, and annual recalibration of humidity and temperature sensors using certified reference standards.
Are spare parts and service support available outside China?
HePu provides global technical documentation and certifies regional service partners in Southeast Asia, Middle East, and Latin America; critical spares (compressor, controller board, humidifier assembly) are stocked in Singapore and Rotterdam distribution hubs.
