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https://www.yuanyao-tech.com/products/constant-temperature-humidity-chamber/

Constant temperature test chamber simulate a full range of temperature and humidity conditions. Temperatures range as low as -73°C with high temperatures to +180°C and humidity ranges from 10% to 98% RH. used when constant climate conditions (temperature and/or humidity) are needed for product testing. It also can be used for a variety of materials of high - low temperature alternating test. Constant temperature chamber sizes range from small benchtop chambers for testing small components to full walk-in/drive-in rooms large enough to accommodate a semi-truck and trailer.