Boxun BXS-800 Expandable Pharmaceutical Stability Testing Chamber
| Brand | Boxun |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | BXS-800 |
| Price Range | USD 7,000 – 11,200 (FOB Shanghai) |
| Temperature Control Range | 0–70 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Uniformity (at 25 °C) | ±1.5 °C |
| Temperature Fluctuation (at 25 °C) | ±0.5 °C |
| Humidity Control Range (optional) | 30–95 %RH |
| Humidity Fluctuation | ±5 %RH |
| Illumination Range (optional) | 0–10,000 Lux (adjustable) |
| Illumination Deviation | ±500 Lux |
| UV Irradiance Range (optional) | 0–2 W/m² |
| UV Spectral Range | 320–400 nm |
| Internal Chamber Dimensions (L×W×H) | 1220 × 585 × 1123 mm |
| External Dimensions (L×W×H) | 1503 × 910 × 1820 mm |
| Standard Shelves | 8 (max. 16) |
| Power Input | 2100 W (base), up to 3000 W (full optional configuration) |
| Programmable Stages | 30 segments × 99 cycles |
| Data Storage Capacity | 250,000 records |
| Interface Ports | USB, RS232, RS485 |
| Compliance Support | FDA 21 CFR Part 11 (via optional software), GMP/GLP audit trail ready |
Overview
The Boxun BXS-800 Expandable Pharmaceutical Stability Testing Chamber is an ISO/IEC 17025-aligned environmental simulation system engineered for long-term, controlled-condition stability studies in accordance with ICH Q1A(R2), Q1B, Q5C, and the Chinese Pharmacopoeia (ChP) General Chapter 9001. It implements a dual-mode thermal management architecture—combining variable-frequency refrigeration with C.H. (Cyclic Heat) energy recovery—to maintain precise, reproducible temperature profiles across extended test durations (up to 180 days). The chamber’s core function is to replicate accelerated, intermediate, and long-term storage conditions required for drug substance and product shelf-life assessment, including ICH-recommended conditions such as 25 °C/60 %RH (long-term), 30 °C/65 %RH (intermediate), and 40 °C/75 %RH (accelerated). Its modular design supports seamless integration of humidity, visible light, and near-UV irradiation subsystems—each independently programmable and quantitatively traceable—to fulfill photostability testing mandates per ICH Q1B and USP .
Key Features
- True-color 4.3-inch TFT LCD touchscreen interface running on Windows CE OS with 256 MB RAM and high-frequency ARM Cortex-A8 processor for deterministic real-time control.
- Fuzzy PID temperature regulation with 30-segment, 99-cycle programmability—enabling complex multi-step protocols (e.g., ramp-hold-cool sequences) compliant with ICH Q1E bracketing and matrixing strategies.
- Imported hermetic compressor and high-static-pressure EC fans ensure low-noise, low-vibration operation and rapid thermal recovery (<15 min after 30-sec door opening at 40 °C).
- Dual-layer tempered glass observation door with anti-fog coating enables non-intrusive sample monitoring without compromising chamber integrity.
- Onboard data logging stores 250,000 timestamped entries (temperature, humidity, illumination, UV dose, alarms, parameter changes) with automatic time-stamped event tagging (power on/off, setpoint modification, fault triggers).
- USB port enables direct export of CSV-formatted logs and full event history—including audit trail metadata—for regulatory submission readiness.
- Hardware-enforced security: screen lock password, mechanical door lock, and configurable alarm thresholds for over-temperature, door ajar, sensor failure, low water level (humidity mode), and UV/light dose saturation.
Sample Compatibility & Compliance
The BXS-800 accommodates standard pharmaceutical packaging formats—including blister cards, HDPE bottles, glass vials, and aluminum-laminated pouches—across up to 16 adjustable stainless-steel shelves (8 standard, 8 optional). Its internal volume (0.79 m³) supports ICH-specified minimum sample spacing (≥25 mm from walls, ≥50 mm between packages) and uniform airflow distribution verified per ASTM E2259-22. All optional modules undergo factory calibration against NIST-traceable references: humidity sensors (Vaisala HUMICAP®), Lux meters (Konica Minolta T-10A), and UV radiometers (International Light ILT2400 with SEL240/UV filter). The system supports full 3Q validation (IQ/OQ/PQ) documentation packages aligned with EU Annex 15 and FDA Guidance for Industry: Process Validation. Optional GMP/FDA-compliant software adds electronic signatures, role-based access control, and 21 CFR Part 11 audit trails—including immutable record retention and change history.
Software & Data Management
Data acquisition and reporting are managed via embedded firmware with optional PC-based Boxun Stability Suite (FDA Edition or GMP Edition). The suite provides automated generation of ICH-mandated reports: temperature/humidity deviation summaries, illumination dose accumulation plots (Lux·hr), UV radiant exposure curves (W·hr/m²), and statistical process control (SPC) charts (X-bar/R). All exported datasets include ISO 17025-compliant metadata: instrument ID, calibration dates, operator ID, environmental timestamps, and uncertainty budgets. Raw logs are exportable in CSV, PDF, and XML formats compatible with LIMS (e.g., LabWare, STARLIMS) and electronic lab notebook (ELN) platforms. Wireless temperature and温湿度 recorders (optional) provide independent verification per ISO 14644-3 and support metrological traceability with accredited calibration certificates (3-point temp, 3-point RH).
Applications
- ICH Q1A(R2)-compliant long-term (25 °C/60 %RH), intermediate (30 °C/65 %RH), and accelerated (40 °C/75 %RH) stability studies for APIs and finished dosage forms.
- ICH Q1B photostability testing: Option A (near-UV exposure ≥200 W·hr/m²) and Option B (visible light exposure ≥1.2 × 10⁶ Lux·hr) with real-time spectral dose integration.
- Excipient compatibility screening under stress conditions (e.g., cyclic humidity, elevated temperature gradients).
- Package integrity evaluation during climatic aging (e.g., moisture ingress into barrier films, seal degradation).
- Biologics and mRNA vaccine formulation stability under controlled cold-chain transition profiles (e.g., 2–8 °C hold + 25 °C challenge).
- Regulatory filing support for ANDA, NDA, and MAA submissions requiring GLP/GMP-compliant environmental data.
FAQ
Does the BXS-800 meet ICH Q1B photostability requirements?
Yes—the optional illumination module delivers programmable visible light (0–10,000 Lux) and near-UV (320–400 nm, 0–2 W/m²) outputs with integrated dose calculators that auto-terminate exposure upon reaching ICH-specified thresholds (≥1.2 × 10⁶ Lux·hr or ≥200 W·hr/m²).
Can humidity and UV be operated simultaneously?
Yes—humidity + UV expansion configuration enables concurrent operation of all three environmental stressors (T, RH, UV) with independent control loops and synchronized data logging.
Is 21 CFR Part 11 compliance available out-of-the-box?
The base hardware supports audit trail capture; full Part 11 compliance requires the optional FDA Edition software package, which includes electronic signatures, permission tiers, and immutable record archiving.
What validation documentation is included?
Standard delivery includes Factory Acceptance Test (FAT) report and calibration certificates for primary sensors. Optional 3Q validation kits contain IQ/OQ/PQ protocols, executed reports, and risk assessments per GAMP 5.
How is temperature uniformity verified across the working volume?
Uniformity is validated using 9-point mapping (per ASTM E2259-22) with NIST-traceable thermocouples; results are documented in the OQ report showing ≤±1.5 °C deviation at any location under steady-state 25 °C/60 %RH conditions.
