Also known as Environmental Test Chambers /Humidity Control Ovens – Double Walled – Inner SS – Outer MS – 3" Gap Puff insulation; Full length inner glass door for clear inner vies  Outer metal door with magnetic gaskets & lock. Forced air circulation for uniform temperature throughout the chamber. Dual display preset electronic digital Temperature controller Cum Indicator with cooling system by means of Hermetically sealed Compressor Unit coupled with evaporation Coil and Condenser. Temp. Range 10ºC to 60ºC 1ºC; Humidity Range 40% Rh to 90% Rh 3% Rh.