Details : Double walled construction, inner chamber made of SS 304, outer of MS Sheet duly Powder Coated. 75 mm gap between outer & inner chamber is insulated with high efficiency PUF insulation The door is double walled fitted with a leakproof gasket & glass window. Humidity Range. Ambient to 95% +- 5% controlled with imported humidistat / Digital Humidity Controller. Temp. Range: Ambient to 60c Controlled with thermostat / Digital temp. controller. Refrigerated Humidity Chamber Se-109. Specification same as SE-108 but fitted with micro processor based digital temperature & Humidity indicator cum controller. fitted with CFC Refrigeration system with EMERSON Compressor.