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LAB1ST PSC-GP Series is a specialized pharmaceutical stability test chamber designed for strong light exposure testing under controlled temperature conditions (0–65°C, with illumination active between 15–50°C).
It delivers reliable performance for photostability testing of pharmaceuticals, packaging materials, raw substances, etc.
Key Facts
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Temperature: 0–65°C (Illumination: 15–50°C)
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No humidity control
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Built-in illumination (0–6000 Lux)
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Chamber Volume: 150L, 250L, 1500L
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Designed for strong light exposure tests where humidity control is not required.
Features
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Energy-Efficient & Eco-Friendly Design
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Fluorine-free refrigeration system for high efficiency, low energy consumption, and environmental sustainability.
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Advanced Control & Monitoring System
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Standard Illuminance Monitor with top-mounted lighting and manual stepless dimming
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5-inch Touchscreen Programmable Controller supporting 100 programs, 1000 segments, and 999 cycles, with maximum duration of 99 hours 59 minutes per segment
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Dual International Brand Compressors with automatic switching for continuous, uninterrupted operation (Note: PSC-80L model equipped with one independent fully-enclosed compressor)
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Advanced PID Auto-Tuning ensures precise and stable temperature and humidity control
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Microcomputer Servo Controller with digital temperature and humidity display for accurate real-time monitoring
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Frost-Free Continuous Operation technology eliminates defrost cycles, preventing temperature and humidity fluctuations during critical tests
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Bilingual Interface (Chinese/English) with real-time curve display
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Advanced Control & Monitoring System
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High-Grade 304 Stainless Steel Interior featuring smooth, radiused corners for effortless cleaning and optimal contamination control
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Advanced Airflow Duct System delivering exceptional air circulation uniformity throughout the entire workspace
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25mm Access Port conveniently located on the left side for easy sensor integration and monitoring
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Reliable Components & Sensors
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Internationally Renowned Brand Components for temperature/humidity controllers, compressors, and circulating fans.
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High-Temperature Resistant Humidity Sensor eliminates frequent replacement of wet wicks.
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Comprehensive Safety & Alarm System
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Independent Temperature Limit Alarm with audible and visual alerts for immediate hazard notification
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Multi-Level Protection System including compressor overheat, fan overheat, over-temperature, over-pressure, overload, and water shortage protection
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Dual-Direction Alarms for both high/low temperature and humidity deviations from set parameters
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Password-Protected Screen Lock to prevent unauthorized access and operation
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Hierarchical Access Management featuring multi-user accounts with three permission levels (Administrator, Operator, Visitor), supporting personalized login with detailed operation logs for audit trail compliance
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Automatic Safety Shutdown that stops air circulation and heating when chamber door is opened, preventing temperature overshoot and ensuring operator safety
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Data Recording & Communication
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Standard RS485 Communication & Embedded Printer for real-time data logging and remote monitoring.
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PC Software Support for programming, monitoring, and remote control.
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Fault Diagnosis Display for clear and immediate error identification.
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Compliance with International Standards
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Comprehensive Testing Protocol Support – Fully compliant with ICH and other international regulatory guidelines for pharmaceutical stability testing, including:
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Accelerated Testing: 40 °C ±2 °C / 75% RH ±5% RH or 30 °C ±1 °C / 60% RH ±5% RH (180 days)
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Long-Term Testing: 25 °C ±2 °C / 60% RH ±5% RH or 30 °C ±2 °C / 60% RH ±5% RH (365 days)
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Accelerated Testing for Semi-Permeable Packaging (e.g., LDPE infusion bags, plastic ampoules, ophthalmic containers): 40 °C ±2 °C / 25% RH ±5% RH
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Long-Term Testing for Semi-Permeable Packaging: 25 °C ±2 °C / 40% RH ±5% RH or 30 °C ±2 °C / 35% RH ±5% RH
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Strong Light Exposure Test: 4500 ±500 Lx (10 days)
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Specifications
Model | PSC-150L-GP | PSC-250L-GP | PSC-400L-GP |
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Rated Power | 1450 W | 1700 W | 3200 W |
Chamber Volume | 150 L | 250 L | 400 L |
Inner Dimensions (W×D×H, mm) | 550×405×670 | 600×500×830 | 700×550×1140 |
External Dimensions (W×D×H, mm) | 690×805×1530 | 740×890×1680 | 950×850×1850 |
Standard Shelves/Trays | 3 pcs | 3 pcs | 4 pcs |
Operating Power (approx.) | ~450 W | ~450 W | ~600 W |
Safety Devices | Compressor overheat protection, Fan overheat protection, Over-temperature protection, Compressor overpressure protection, Overload protection, Water shortage protection |
Communication Interface | 485 interface |
Test Port | 25mm test port |
Built-in Printer | Yes |
Temp. Fluctuation/Uniformity | ±0.5℃/±2℃ |
Illumination Intensity/Error | 0~6000LX Adjustable ≤±500LX (Stepless dimming) |
Timer Range | Each segment 1~99 hours |
Temp. & Humidity Control Method | Balanced temperature control method |
Refrigeration System/Method | Two independent sets of fully hermetic compressors, auto-switch, international brand |
Controller | Programmable touch screen controller |
Sensor | Pt100 platinum resistor; Capacitive humidity sensor |
Ambient Operating Temp. | +5～30℃ |
Power Supply | AC220V 50HZ |
Temp. Control Range | 0~65℃ (With illumination 15~50℃) |
Options
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Paperless Recorder (Universal Type)
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Wired Monitoring and Alarm System
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USB Interface for Data Export
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UV Sterilization System
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International Brand SDR100 Paperless Recorder (2/4/6 Channels)
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3Q Validation and Calibration Services
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Shelf-Mounted Lighting (per shelf)
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UV Control with 320–400 nm UV lamps and UV irradiance monitor （refer to Appendix 1）