English 
Español 
Stability testing is an important part of pharmaceutical development and quality management. By placing samples under controlled temperature and humidity conditions, researchers can observe changes in appearance, composition, performance and overall quality.
A pharmaceutical stability test chamber maintains programmed temperature and humidity conditions over extended periods. This allows users to observe how a product may change during storage while reducing the influence of uncontrolled laboratory conditions.
During product development, higher temperature or humidity conditions may be used to identify potential changes within a shorter observation period. The specific test conditions should be determined according to the product, testing protocol and applicable requirements.
Product stability depends not only on the formulation but also on packaging materials, sealing performance and storage conditions. Comparing different packaging designs and sample batches can provide useful data for product development and packaging selection.
Stability studies often continue for long periods, so the equipment should provide reliable operation, alarms and data-recording functions. Clear operating records help researchers review the testing process and identify temperature or humidity deviations.
When selecting a pharmaceutical stability test chamber, consider the following:
Required temperature and humidity ranges and long-term operating capability;
Temperature and humidity accuracy, fluctuation and cavity uniformity;
Working capacity, shelf quantity and sample arrangement;
Programmable control, timed operation, data recording and communication functions;
Over-temperature, over-humidity, power-failure and sensor-fault alarms;
Cavity materials, sealing performance and cleaning access.
During operation, the cavity and shelves should be cleaned regularly, while door seals, sensors and the humidification system should be inspected according to the laboratory maintenance schedule. For special samples, confirm material compatibility and safety requirements with the manufacturer before purchase.
Kenton provides pharmaceutical stability test chambers, temperature and humidity chambers and other environmental testing equipment. Customized capacity, control functions and OEM/ODM solutions are available for different testing workflows. Learn more at the Kenton website.
