Thermo ULT-390-10W Revco Ultima Plus Small Chest -85 Freezer, 85L capacity, Thermo Scientific Revco Ultima PLUS -86°C Chest Freezers feature improved compressor technology, user-friendly control panels and standard RS-232 and 4-20mA outputs. The two-stage refrigeration system has a compressor which allows for quiet and reliable performance. The control panel allows for user-defined alarms and setpoints and features audible and visual alarms. Standard RS-232 and 4-20mA outputs allow for easy connections of many freestanding and independent monitoring devices. State-of-the-art control with intuitive settings controls temperature, alarm setpoints, audible/visual alarm and 12-character message system. Optional CO2 and LN2 safety back-up systems provide additional product protection in the event of a power or mechanical failure Standard stainless-steel, corrosion-resistant interior, ext dims 1110H x 760D x 724W mm.