For a large number of cryoboxes, the Vestfrost ULTF-C383i is a 1560 mm ultra-low temperature chest freezer that takes 282 two-inch boxes. The horizontal lid keeps the cold in well, and the ETR-System sets the temperature anywhere in −86…−20 °C, to suit the need or to save energy.
Inner lids sit under the lockable hinged solid lid; the chamber is white painted steel and ATEX-protected (3G nA B T6). Static cooling, manual defrost, refrigerant Nature R (natural hydrocarbon blend), 161 g. All four castors have brakes, and there is a 12.5 mm port for a probe.
The i-Care controller's touch screen is 5 inches, its data logger downloads over USB, a remote alarm connects through the dry contact and the battery gives 24 h of backup. Alarms: high or low temperature, power failure, probe failure. Uniformity ±1.1 °C, pull-down to −75 °C in 138 min, hold-over 69 min to −60 °C, 9.957 kWh per 24 h at −82 °C.
Dimensions 1560 × 608 × 831 mm, net weight 86 kg.