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Frequently Asked Questions

Refrigerated incubators are primarily designed to control only the ambient temperature through heating and cooling functions. Climate chambers, on the other hand, are more advanced systems that can simultaneously and integrally manage temperature control, relative humidity (RH) regulation, and programmable lighting (light/dark cycles), allowing precise control of multiple environmental factors.

Instead of waiting for years to evaluate the real-time shelf life of a product (such as a pharmaceutical product or medical device packaging), an accelerated aging test artificially speeds up the degradation process by exposing the product to elevated temperature and humidity conditions beyond normal storage environments (for example, 40°C / 75% RH). These tests are performed in climate chambers.

Description

What Is a Climate Chamber (Environmental Test Chamber)?

Climate chambers (Environmental Test Chambers) are insulated testing systems in which temperature, relative humidity, and lighting parameters (light intensity and spectrum) are simultaneously and precisely controlled using microprocessor-based systems to evaluate how products, materials, or biological organisms respond to different environmental and climatic conditions.
These chambers enable reliable and standardized testing by accelerating climatic effects that would normally take months or years to occur in natural environments, allowing them to be reproduced under controlled laboratory conditions.

Key Features of Climate Chambers

Advanced climate chambers offer programmable cycles through PID (Proportional-Integral-Derivative) control systems:
  • Precise Temperature and Humidity Simulation: They operate across a wide temperature range and maintain relative humidity, typically between 10% and 98% RH, using ultrasonic steam generators or specialized humidification systems.
  • Day/Night and Photoperiod Cycles: Programmable LED lighting panels can simulate sunrise, daylight spectrum, and sunset conditions. This enables complete control over the biological clocks (circadian rhythms) of living organisms.

Industry Applications and Critical Testing Processes

Climate chambers are widely used in the following fields, which form the foundation of quality control (QC) and R&D activities:
  • Pharmaceutical and Cosmetic Industries (Stability Testing): They are essential equipment for long-term (real-time) and accelerated aging stability studies conducted in accordance with ICH Q1A (International Council for Harmonisation) guidelines to determine the shelf life of pharmaceutical and cosmetic products.
  • Agricultural Research and Plant Biology (Phytotrons): They provide ideal environmental conditions for seed germination, cultivation of model organisms such as Arabidopsis thaliana, plant pathology studies, and transgenic plant research.
  • Food Industry: They enable the accurate determination of expiration dates by analyzing the physical and microbiological deterioration processes of food products under different climatic conditions, including packaging durability, oxidation, and mold growth.
  • Materials and Electronics Testing: They are used for industrial durability testing of polymers, plastics, automotive components, and electronic circuits to evaluate resistance to extreme temperature and humidity fluctuations, including corrosion, expansion, and cracking.

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