Humidity Control Ovens Available in two different models. STD Model & GMP Model. Exterior made of mild steel with powder coated finish and interior made of stainless steel 304.(STD Model) & Exterior made of stainless steel 304 and Interior made of stainless steel 316.(GMP Model) 3â gap puff insulation. Stainless Steel perforated S.S trays Full length inner glass door for clear inner view. Outer Metal Door with magnetic gasket & lock. Air Circulation: Forced air circulation fan for uniform temperature throughout the chamber. Controller: Dual display PID Temperature controller cum Indicator with digital display of temperature & Humidity. Heating & Cooling system: ISI marked heaters take care of temperature above ambient where as hermetically sealed eco friendly compressor maintains temperature below ambient.. Temperature Range: 10°C to 60°C+/-1°C. Humidity Range: 40% Rh to 95% Rh+/-3% Rh Humidity Control Ovens, Heat And Refrigeration System Exporters, Heat And Refrigeration System Manufacturers....