Designed for frozen storage of medicines and laboratory samples, the Gram BioMidi RF425 is a full-height freezer just 600 mm wide. It has a gross volume of 425 litres and a net volume of 303 litres, with a temperature range of −25 to −5 °C. The cabinet uses fan-assisted cooling and automatic defrost, with the defrost water evaporated.
An electronic Gram controller with digital thermometer gives audible and visual alarms for high or low temperature and an open door, and adds a voltage-free contact and offset. The interior is aluminium and stainless steel or all stainless steel, behind a solid door.
Energy use 3.61 kWh per 24 h, electrical power 336 W, noise level 46.3 dBA, refrigerant R290. It operates in ambient temperatures of +10…+43 °C. External dimensions 600 × 731 × 1980 mm, net weight 112 kg, white lacquered or stainless-steel exterior.