TEMPO make deep freezer are designed to provide an ideal freezing environment for advanced medical and industrial applications and also suitable for Research Laboratories, Blood Bank, Biological Use includes preservation of plasma, blood components, vaccines, etc. These units are available in horizontal/vertical versions. Temperature range -40C Temperature accuracy ±3C Supply 230V, AC Temperature Control : Temperature is controlled by means of imported microprocessor based autotuned PID controller with CE mark & dual display of set value & process value. Refrigeration System : By means of CFC free hermetically sealed Emerson Copeland make compressor for better cooling with R 404 A (eco-friendly) refrigerant with a time delay to safeguard compressor system. Full view observation Acrylic door to observe sample inside the chamber. Specially designed stainless steel rod trays ensure uniform temperature distribution.