Most versatile for Biochemical Oxygen Demand determinations. Castor wheel mounted cabinet is double walled with inner chamber S.S. and outer wall of M.S. Sheet duly powder coated. Triple walled back of the unit is fitted with two air circulation fans for maintaining temperature uniformity throughout the chamber; Fully view inner glass/Acrylic door permits inspection of specimens, without disturbing the same. Lock and key arrangement is provided in the double walled outer door. Unit is fitted with door operated illumination lamp inside the chamber. Refrigeration unit is formed by ISI marked compressor, The front panel is provided with separate indicator lamps for main, heating and incoming voltage. Supplied complete with 3 shelves, cord and plug to work on 220/230 A.C. supply. Temperature From 5°C to 80°C is controlled by MICRO PROCESSOR ELECTRONIC DIGITAL TEMPERATURE INDICATOR-CUM-CONTROLLER (PID) with an accuracy of ±0.5°C. Puff Insulation Graphic LCD display (Blue Screen) with thee facility of password protection PC connectivity (RS232 Port) as an optional Feature.