The Gram BioBasic RF210 is a 125-litre freezer for laboratories that need to keep samples and reagents between −25 and −5 °C. It is a low cabinet, 831 mm high, standing on wheels or skids. Interior and exterior are ATEX compliant, marked II 3G Ex ec ic IIB T3 Gc.
Cooling is fan-assisted with a top-mounted evaporator, and defrost is automatic with evaporation of defrost water. The BioBasic controller shows min/max temperatures and has a keypad lock and offset. Audible and visual alarms signal high or low temperature and an open door, and a voltage-free contact (NO/NC) passes on remote and power-failure alarms.
The right-hinged solid door locks with two keys; inside are three plastic-coated wire shelves and a polystyrene lining. Net volume 104 litres, energy use 1.47 kWh per 24 h, noise level 37.7 dBA, refrigerant R600a. The cabinet is 595 mm wide and 640 mm deep, finished in white lacquered steel.