YSEI SHH-SSD-2STA Dual-Independent Chamber Drug Stability Testing System
| Brand | YSEI |
|---|---|
| Origin | Chongqing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SHH-SSD-2STA |
| Price Range | USD 14,000 – 21,000 |
Overview
The YSEI SHH-SSD-2STA Dual-Independent Chamber Drug Stability Testing System is an engineered solution for pharmaceutical stability studies in compliance with ICH Q1–Q5 guidelines, USP <1150>, and Chinese Pharmacopoeia Chapter 9001. Designed specifically for long-term, accelerated, intermediate, and stress condition testing (e.g., high temperature/low humidity at 40 °C/20 % RH for large-volume parenterals), this dual-chamber system enables concurrent execution of two distinct ICH-compliant test protocols within a single footprint. Each chamber operates with full thermal and humidity autonomy—featuring independent PID-controlled refrigeration, steam-based humidification, and precision air circulation—ensuring zero cross-talk between test environments. The architecture adheres to GLP/GMP-aligned design principles, including traceable calibration paths, hardware-level fault detection, and fail-safe environmental containment.
Key Features
- Dual independent chambers: Simultaneous operation under different temperature (–10 °C to +65 °C) and relative humidity (10 % RH to 95 % RH) setpoints, with ±0.3 °C temperature uniformity and ±2 % RH humidity stability over time.
- Centralized control & remote monitoring: Unified software interface supports up to 30 units via TCP/IP or RS485 daisy-chain; remote parameter adjustment, real-time trend visualization, and alarm acknowledgment via secure web browser or mobile app.
- Triple-layer data integrity: (1) Thermal printer output with configurable interval (1 min–24 h); (2) Onboard 64 MB circular memory storing setpoints, sensor readings, timestamps, and event logs; (3) Continuous PC-based logging via Modbus RTU or ASCII protocol over RS485.
- Energy-optimized operation: Variable-speed compressors, adaptive defrost cycles, and insulated double-glazed doors reduce power consumption by up to 35 % vs. conventional chambers; acoustic noise level ≤52 dB(A) at 1 m.
- Human-centered interface: 7-inch capacitive touchscreen with multilingual UI (English, Chinese, Spanish), intuitive navigation, and context-sensitive help; dual-door structure features tempered inner glass for non-intrusive observation and keyed outer lock for access control.
- Comprehensive safety architecture: Independent overtemperature cutoff per chamber, dry-run protection for humidifier, compressor overload relay, phase-loss detection, and SMS-based alerting for power failure, deviation events, or door-open anomalies.
Sample Compatibility & Compliance
The SHH-SSD-2STA accommodates standard stability storage configurations—including open trays, sealed vials, blister packs, and IV bags—without airflow obstruction. Internal chamber volume (per unit) supports up to 200 L of sample load while maintaining ICH-specified air exchange rates (≥0.5 air changes/min). All materials in contact with the test environment meet USP Class VI biocompatibility requirements. System validation documentation includes IQ/OQ protocols compliant with ASTM E2500–22 and Annex 15 of the EU GMP Guidelines; optional PQ support available upon request. Data records satisfy FDA 21 CFR Part 11 requirements when paired with YSEI’s validated software suite (v3.2+), featuring electronic signatures, audit trails, and role-based user permissions.
Software & Data Management
YSEI StabilitySuite™ v3.2 provides centralized configuration, real-time multi-unit dashboarding, and automated report generation (PDF/CSV/XLSX). Raw data export includes ISO 8601–formatted timestamps, sensor calibration IDs, and metadata tags for each measurement point. Built-in statistical process monitoring (SPC) flags excursions exceeding user-defined action limits using Shewhart control chart logic. Audit trail entries record operator ID, timestamp, parameter change, and reason code—all immutable and exportable for regulatory inspection. SD card data extraction follows FAT32 formatting standards and supports encrypted backup via AES-256.
Applications
- ICH Q1A(R3) long-term stability (25 °C/60 % RH, 30 °C/65 % RH) and accelerated testing (40 °C/75 % RH).
- ICH Q1B photostability per Q5C: Integration-ready with optional YSEI UV/VIS irradiance modules (320–400 nm, 1.4 mW/cm²).
- Low-humidity stress testing for lyophilized products and large-volume parenterals (40 °C/20 % RH).
- Forced degradation studies under oxidative, acidic, basic, and thermal stress conditions.
- Academic research and teaching labs requiring reproducible environmental simulation with pedagogical data transparency.
FAQ
Does the SHH-SSD-2STA support 21 CFR Part 11 compliance?
Yes—when used with YSEI StabilitySuite™ v3.2 and configured with enabled audit trail, electronic signature, and permission controls.
Can both chambers run ICH Q1B photostability protocols simultaneously?
Photostability requires optional irradiance modules; dual-chamber photostability is supported only when both units are equipped and calibrated separately.
What is the maximum data retention period with onboard 64 MB memory?
At 1-minute sampling interval, the internal memory stores approximately 10 years of continuous time-series data (setpoint, actual temp/RH, alarms).
Is external calibration verification supported?
Yes—the system provides NIST-traceable sensor ports and accepts third-party calibration certificates aligned with ISO/IEC 17025.
How is remote firmware update performed?
Via secure HTTPS upload through the web interface; updates include version rollback capability and checksum validation pre-installation.


