Walk In Stability Cabinet ICH Guidelines for Nutraceuticals Manufacturer

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Standards

WHO Principles Require:

Long-term stability testing conditions at 25°C/60% RH humidity.

The 40°C/75% RH humidity standard for 6-month accelerated testing is primarily applied in the pharmaceutical industry's stability testing systems, simulating environmental climate conditions including temperature, humidity, and light exposure.

Features

1.Modular Structural Integrity: The lab utilizes a unitized assembly design, allowing you to expand the internal volume or relocate the facility with minimal effort as your production scales.

2.Advanced Airflow Design: By employing a side-top air supply and side-bottom return principle, the system eliminates dead zones, ensuring that even a fully loaded room maintains exceptional temperature and humidity uniformity.

3.Precise Control Algorithms: You benefit from a micro-integral PID control system that coordinates cooling, heating, and humidification to prevent parameter overshoot and ensure rapid recovery after door openings.

4.Regulatory-Grade Monitoring: The high-sensitivity PT100 sensors and dual-mode (program/constant) operation allow you to meet the most stringent ICH stability protocols without manual intervention.

5. Safety Suite: The system includes multi-level protection against over-temperature, low water levels, compressor over-pressure, and phase-sequence anomalies, ensuring 24/7 unmanned operation safety.

Parameters

Item	Specification
Test Area Dimension	Specific dimensions to be designated by the customer based on usage conditions!
External Dimension	Subject to the quotation plan
Operating Temperature Range	SBY: 0°C ~ +60°C
Relative Humidity Range	30% ~ 95% RH
Temperature Deviation	≤±2°C (≤1°C for incubation chambers)
Humidity Deviation	±5% RH
Temperature Fluctuation	≤±0.5°C
Heating Time	≤30 min
Cooling Time	30 min ~ 180 min (varies by model)
Material	Exterior: A3 color steel plate + spray coating; Interior: SUS#304 stainless steel; Insulation layer: PU foam
Temperature & Humidity Control System	Imported fully-hermetic or semi-hermetic compressor from Europe, America, Japan, or Korea; Refrigerant: R134a; Axial flow fan with side/top air outlet; High-performance heater; Steam humidification; ADP critical point condensation dehumidification; Air-cooled or water-cooled options
Controller	Adopt Yonghe's own brand or Korean TH500/TH300 touch screen controller; Display precision: Temperature 0.1°C, Humidity 0.1% RH; Operation modes: Program mode, fixed value mode; Control method: Microcomputer PID with integral operation; Input signal: PT100 platinum resistance
Observation Window	Multi-layer hollow anti-fog explosion-proof glass
Safety Devices	Over-temperature protection, leakage protection, water shortage protection, humidification system protection, compressor over-pressure/overload/over-current protection, fan overload protection, phase sequence protection
Power Supply	AC380V (1±10%) V, 50±0.5 Hz, 3-phase 4-wire + protective earth
Optional Accessories	Temperature & humidity recorder (capable of simultaneous recording of temperature/humidity signals and multiple test points), large observation window, test hole, SMS alarm, high/low temperature deviation alarm, dual-compressor system, etc.
Extendable Products	Constant temperature incubation chamber, constant temperature & humidity test chamber, high-low temperature test chamber, constant temperature room, aging test chamber, burnout test chamber, etc.
Special Notes	Customizable dimensions available to meet customer requirements

Accessories

1.Data Recording: Multi-channel temperature and humidity recorders (paper or paperless) for regulatory auditing.

2.Access Ports: Standard 50mm diameter test holes with silicone plugs for external cable routing.

3.Visual Monitoring: Multi-layered hollow explosion-proof glass observation windows with anti-frost coatings.

4.Systems: SMS remote alarm modules and local sound/light indicators for deviation alerts.

5.Redundancy: Dual-compressor backup systems to ensure zero downtime during critical long-term studies.

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