... Temperature & Humidity Chambers Usages: Used to test various types of materials for their tolerances under condition of heat, cold, dry, humidity ... , and of quick or slope control of temperature and humidity. 6.Inserted mobile pulley, convenient for movement ... compressor overheat, overcurrent, overvoltage, heaters dry burning preventation, chamber over heat, water shortage alarm 6. Power: 380VAC±10 ...