Boxun BXY-150S Drug Stability Testing Chamber
| Brand | Boxun |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | BXY-150S |
| Temperature Control Range | −10 to 85 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Uniformity (at 25 °C) | ±1 °C |
| Temperature Fluctuation (at 25 °C) | ±0.5 °C |
| Humidity Control Range | 15–98 %RH |
| Humidity Fluctuation | ±3 %RH |
| Input Power | 1700 W |
| Chamber Interior Dimensions (L×W×H) | 506 × 400 × 750 mm |
| External Dimensions (L×W×H) | 669 × 772 × 1444 mm |
| Standard Shelves | 3 (max. 6) |
| Programmable Stages | 30 stages × 99 cycles |
| Stage Duration Range | 1–9999 hours per stage |
| Data Storage Capacity | 1,000,000 records |
| Real-time Data View | Last 1600 entries or 6.5-hour trend curve |
| Interface Ports | 1× USB, 1× RS232, 1× RS485 |
| Standard Accessories | Mechanical door lock, embedded thermal printer |
| Optional Compliance Modules | FDA-compliant monitoring software, GMP-compliant monitoring software, GPRS SMS alarm, wireless temperature/humidity data loggers with calibration certificates (3-point temp / 3-point RH), IQ/OQ/PQ validation documentation |
Overview
The Boxun BXY-150S Drug Stability Testing Chamber is an ICH-compliant environmental simulation system engineered for long-term, accelerated, and stress-condition stability studies in accordance with ICH Q1A(R2), Q1B, Q5C, and relevant regional pharmacopoeial requirements (USP , EP 2.2.45, JP 6.07). It provides tightly controlled, reproducible temperature (−10 to 85 °C) and relative humidity (15–98 %RH) environments—critical for evaluating chemical degradation kinetics, physical changes, and shelf-life prediction of active pharmaceutical ingredients (APIs), finished dosage forms, and biologics. The chamber integrates a dual-loop fuzzy PID control architecture with high-accuracy imported platinum resistance temperature sensors (Pt100) and capacitive humidity transducers, ensuring traceable, low-drift environmental regulation across extended test durations (weeks to years). Its C.H. (Cycle Heat) thermal recovery system minimizes overshoot and accelerates post-door-opening stabilization—essential for maintaining protocol integrity during routine sampling or maintenance.
Key Features
- 7-inch high-resolution resistive touchscreen interface running on Windows CE OS with 512 MB RAM and 1 GHz ARM Cortex-A8 CPU—enabling responsive multi-parameter navigation and real-time graphical feedback.
- 30-stage × 99-cycle programmable profile capability, supporting complex ICH-aligned protocols (e.g., 40 °C/75 %RH for 6 months; 25 °C/60 %RH for 12 months; freeze-thaw cycling).
- Variable-frequency refrigeration system with imported energy-efficient hermetic compressor and high-static-pressure centrifugal blower—ensuring rapid thermal equilibration and low acoustic emission (<55 dB(A)).
- Comprehensive hardware-level safety protection: independent over-temperature cutoff (dual-sensor redundancy), door-open alarm with latching logic, auto-shutdown on humidity sensor failure or water reservoir depletion.
- Onboard data logging with non-volatile flash memory: stores up to 1,000,000 timestamped entries (date/time, T/RH setpoint & actual, alarm status, operational events); supports direct USB export of CSV-formatted logs including full audit trail (power-on, parameter edits, fault triggers).
- Front-access transparent double-glazed observation door with anti-fog coating—enabling visual sample inspection without compromising chamber integrity.
Sample Compatibility & Compliance
The BXY-150S accommodates standard pharmaceutical packaging formats—including blister cards, HDPE bottles, glass vials, and aluminum-laminated pouches—on up to six adjustable stainless-steel shelves (3 supplied, 3 optional). Its interior chamber (506 × 400 × 750 mm) complies with ISO 14644-1 Class 8 cleanroom-compatible surface finish standards (electropolished 304 stainless steel). All control firmware and data handling routines are designed to support GLP/GMP-regulated environments: event logs include immutable timestamps synchronized to internal RTC, user access is restricted via configurable screen-lock password, and optional FDA 21 CFR Part 11-compliant software modules provide electronic signature enforcement, role-based permissions, and audit-trail review functionality. Third-party 3Q (IQ/OQ/PQ) validation documentation packages—including calibrated reference points at 0 °C, 60 °C, and 121 °C for temperature, and 15 °C/40 %RH, 20 °C/60 %RH, 30 °C/80 %RH for humidity—are available upon request and align with ASTM E2500 and EU Annex 15 guidelines.
Software & Data Management
Data acquisition and reporting conform to ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available). Internal storage retains full-resolution time-series data (1-minute intervals default, configurable down to 10 s) with automatic rollover management. USB exports generate timestamped .CSV files containing column headers compliant with LIMS ingestion schemas (e.g., “DateTime”, “SetTemp_C”, “ActTemp_C”, “SetRH_Pct”, “ActRH_Pct”, “AlarmCode”). Optional remote monitoring solutions include RS485 Modbus RTU integration for SCADA systems and GPRS-enabled SMS alerting (configurable per alarm class: critical, warning, informational). Wireless temperature/humidity data loggers—traceably calibrated per ISO/IEC 17025—can be deployed inside the chamber for independent verification and mapping studies (e.g., ISO 14159-1 thermal uniformity assessment).
Applications
- ICH Q1A(R2) long-term and accelerated stability testing of solid oral dosage forms, injectables, ointments, and lyophilized products.
- Photostability evaluation per ICH Q1B when integrated with optional UV/visible light modules (not included but mechanically compatible).
- Forced degradation studies under elevated temperature/humidity stress to identify degradation pathways and validate analytical methods.
- Storage condition qualification for warehouse and distribution center environmental monitoring system (EMS) baselines.
- Biological product stability assessment under controlled cold-chain conditions (e.g., 2–8 °C hold with humidity control to prevent desiccation).
- Raw material stability screening and excipient compatibility testing per ICH Q5C.
FAQ
Does the BXY-150S meet ICH Q1 requirements for temperature and humidity tolerance?
Yes—the chamber maintains ±0.5 °C temperature fluctuation and ±3 %RH humidity fluctuation at nominal setpoints, satisfying ICH Q1A(R2) acceptance criteria for accelerated testing (40 °C ± 2 °C / 75 %RH ± 5 %RH) and long-term testing (25 °C ± 2 °C / 60 %RH ± 5 %RH) when operated within its validated working range.
Can the onboard data logger satisfy FDA 21 CFR Part 11 requirements?
The base unit provides tamper-evident, time-stamped audit trails; full Part 11 compliance requires deployment of the optional FDA Edition monitoring software, which adds electronic signatures, audit-trail review tools, and secure user authentication.
Is third-party calibration and validation support available?
Yes—Boxun partners with ISO/IEC 17025-accredited laboratories to supply NIST-traceable calibration certificates and comprehensive 3Q (Installation, Operational, Performance Qualification) documentation packages tailored to GMP site requirements.
What is the maximum number of shelves supported, and are they load-rated?
The chamber supports up to six 400 × 500 mm stainless-steel shelves, each rated for 15 kg uniformly distributed load; shelf spacing is adjustable in 25 mm increments to accommodate varied container heights.
How does the C.H. (Cycle Heat) system improve energy efficiency?
The C.H. system recaptures waste heat from the refrigeration cycle and redirects it to assist chamber heating—reducing compressor runtime by up to 22% during combined temperature/humidity ramping phases, as verified per ISO 15378 Annex D energy consumption testing protocols.

