Taking up a floor area of only 550 × 550 mm, the Vestfrost ULTF-C74i is an ultra-low temperature chest freezer whose horizontal lid keeps the cold in well, which the manufacturer calls an economical choice. The ETR-System (Extended Temperature Range) lets the temperature be set between −86 and −20 °C to suit the need or to save energy.
Inner lids sit beneath the lockable hinged solid lid, and the chamber holds 40 two-inch cryoboxes. The interior is white painted steel with ATEX protection (3G nA B T6) and no light. Static cooling, manual defrost, refrigerant Nature R (121 g).
Four castors with brakes and a probe access port of Ø 12.5 mm. The i-Care controller has a 5-inch touch screen, built-in data logger and USB; it alarms on high or low temperature, power failure and probe failure, with a dry contact for remote alarms and 24 h battery backup.
Pull-down to −75 °C in 72 min, hold-over 64 min to −60 °C, uniformity ±0.9 °C, 5.325 kWh per 24 h at −82 °C. Height 921 mm, net weight 50 kg.