Boxun BXS-150S Expandable Drug Stability Testing Chamber
| Brand | Boxun |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | BXS-150S |
| Price Range | USD 2,800 – 7,200 |
| Temperature Range | −10°C to 85°C |
| Temperature Resolution | 0.1°C |
| Temperature Uniformity (at 25°C) | ±1°C |
| Temperature Fluctuation (at 25°C) | ±0.5°C |
| Humidity Range (optional) | 15–98% RH |
| Humidity Fluctuation | ±3% RH |
| Illuminance Range (optional) | 0–10,000 lux (adjustable) |
| Illuminance Deviation | ±500 lux |
| UV Irradiance Range (optional) | 0–2 W/m² |
| UV Spectral Range | 320–400 nm |
| Input Power | 1,100 W (base), up to 1,800 W (full configuration) |
| Chamber Internal Dimensions (L×W×H) | 506 × 400 × 750 mm |
| External Dimensions (L×W×H) | 669 × 772 × 1444 mm |
| Standard Shelves | 3 (max 6) |
| Data Storage Capacity | 1,000,000 records |
| Real-time Data View | Last 1,600 readings or 6.5-hour trend curve |
| Interface Ports | USB ×1, RS232 ×1, RS485 ×1 |
| Compliance Support | FDA 21 CFR Part 11 (with optional software), GMP/GLP audit trail, ICH Q1A–Q1E, USP <1151>, WHO TRS 953 Annex 2 |
Overview
The Boxun BXS-150S Expandable Drug Stability Testing Chamber is an engineered environmental simulation system designed specifically for pharmaceutical stability studies in compliance with ICH Q1A(R3) through Q1E guidelines, USP , and WHO Technical Report Series No. 953 Annex 2. It provides precise, reproducible control of temperature, humidity, visible light, and near-ultraviolet radiation—three critical stressors in forced degradation and long-term stability protocols. Unlike generic climate chambers, the BXS-150S integrates modular subsystems (humidity, illumination, UV) that can be independently commissioned or combined, enabling laboratories to configure a single platform for multiple ICH-defined test conditions—including accelerated testing (40°C/75% RH), intermediate conditions (30°C/65% RH), photostability per ICH Q5C (≥1.2 × 10⁶ lux·hr total exposure), and near-UV exposure (≥200 W·hr/m²). Its thermodynamic architecture employs a variable-frequency refrigeration system coupled with C.H. (Cycle Heat) energy recovery technology, minimizing thermal inertia and ensuring rapid recovery (<15 min) after door opening—a requirement for GLP-compliant chamber qualification per ISO 14644-3 Annex B.
Key Features
- 7-inch high-resolution capacitive touchscreen running a deterministic Windows CE OS with 512 MB RAM and dual-core CPU—enabling real-time parameter visualization (setpoint vs. actual, segment progress, cycle count, alarm status) and intuitive multi-touch navigation.
- Fuzzy PID temperature/humidity control algorithm with 30 programmable segments and up to 99 cycles per program—supporting complex ICH-aligned profiles such as ramp-hold-ramp sequences over months-long durations.
- Imported high-accuracy sensors: platinum RTD (±0.15°C accuracy), capacitive humidity sensor (±2% RH from 20–80% RH), silicon photodiode illuminance sensor (NIST-traceable calibration), and UV-A broadband radiometer (320–400 nm, ±5% full-scale).
- Modular illumination and UV systems: up to four independently addressable shelf-mounted LED arrays; each supports continuous dimming, time-based activation, and cumulative dose tracking with auto-shutoff upon reaching user-defined lux·hr or W·hr/m² thresholds.
- Comprehensive data integrity framework: onboard storage of 1 million timestamped records (temperature, humidity, illuminance, UV irradiance, alarms, operator actions); USB export of raw CSV logs with embedded event markers (parameter changes, door openings, fault triggers).
- Hardware-level security: screen lock with configurable password, mechanical door latch, and dual-stage overtemperature protection (audible + relay-cut shutdown at 90°C).
Sample Compatibility & Compliance
The BXS-150S accommodates standard pharmaceutical packaging formats—including blister packs, HDPE bottles, glass vials, and aluminum tubes—on three adjustable stainless-steel shelves (expandable to six). Its internal chamber volume (152 L) meets minimum spatial requirements for uniform exposure stipulated in ICH Q5C. All optional modules undergo factory calibration against NIST-traceable standards, and full 3Q validation documentation (IQ/OQ/PQ protocols, test reports, deviation logs) is available upon request for GMP-regulated facilities. The system supports FDA 21 CFR Part 11 compliance when paired with the optional FDA Edition monitoring software, which enforces electronic signature workflows, role-based access control, and immutable audit trails for all critical parameters and user interventions.
Software & Data Management
Data acquisition and reporting are managed via embedded firmware with dual-mode operation: local display-driven control or remote supervision using Boxun’s PC-based StabilitySuite software (GMP or FDA editions). The FDA Edition implements ALCOA+ principles—ensuring data Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, and Available. It generates PDF reports compliant with Annex 11 expectations, including metadata-rich graphs (temperature/humidity overlay, illuminance decay curves), statistical summaries (mean, SD, min/max per segment), and automated pass/fail evaluation against ICH acceptance criteria. Raw datasets export in ASTM E2500-18 compatible CSV format, supporting integration into LIMS or electronic lab notebooks (ELN) via REST API (available in enterprise license).
Applications
- ICH Q1A–Q1E stability studies: long-term (25°C/60% RH), accelerated (40°C/75% RH), and intermediate (30°C/65% RH) testing for registration dossiers.
- Photostability assessment per ICH Q5C: daylight and near-UV exposure trials on APIs and finished dosage forms.
- Forced degradation studies under controlled thermal, hygroscopic, and photochemical stress.
- Excipient compatibility screening during formulation development.
- Storage condition validation for cold chain logistics (e.g., 5°C/ambient humidity hold tests).
- Environmental stress testing of medical device packaging per ISO 11607-1.
FAQ
Does the BXS-150S meet ICH Q5C photostability requirements?
Yes—the integrated illuminance module delivers ≥10,000 lux with ±500 lux uniformity across the shelf plane and tracks cumulative exposure to ensure ≥1.2 × 10⁶ lux·hr, fully satisfying ICH Q5C Section 4.2.
Can humidity and UV be operated simultaneously?
Yes—when configured with the Humidity + UV Expansion Package, the chamber maintains 15–98% RH while delivering controlled UV-A irradiance (0–2 W/m², 320–400 nm) with independent dose metering.
Is 21 CFR Part 11 compliance built-in or add-on?
The base unit provides audit-ready data logging; FDA 21 CFR Part 11 compliance requires the optional FDA Edition software license, which adds electronic signatures, permission tiers, and tamper-evident audit trails.
What validation support is included?
Standard delivery includes IQ/OQ templates aligned with ISO 14644-3 and ASTM E2500-18. Full PQ execution with certified thermocouples, hygrometers, and radiometers is available as a professional service.
How is temperature uniformity verified during qualification?
Per ICH Q1A(R3) Annex 1, 15 calibrated PT100 probes are placed in a 3×5 grid across the working volume; uniformity is confirmed if all points remain within ±1°C of setpoint at steady state.

