The Gram BioPlus ER500 is a full-height refrigerator for sensitive biomaterials, medicines and laboratory samples. Its −2…+20 °C range reaches just below zero, and it offers 500 litres gross and 365 litres net in a cabinet only 600 mm wide. The interior is stainless steel.
Cooling is fan-assisted with automatic defrost, and the defrost water is evaporated. The electronic Gram controller provides a voltage-free contact, E-sensor, dry cooling and offset, with a digital thermometer. Audible and visual alarms are triggered by high or low temperature and an open door.
The standard door is solid; a glass door is optional. Daily energy consumption is 1.26 kWh and electrical power 333 W, at 46.2 dBA with R290 refrigerant. Ambient range +10…+43 °C with a solid door and +10…+38 °C with a glass door.
The exterior is white lacquered or stainless steel; dimensions 600 × 805 × 2025 mm, net weight 130 kg.