Programmable microprocessor control, patented refrigeration system, and state-of-the-art electronics ensure the highest level of sample protection. Thermo Scientific Revco freezers feature up to 20% more heat removal capacity, 15% less power consumption and 15% less heat emission than comparable ultralow-temperature freezers.

Precise temperature control from -50° to -86°C, adjustable in 1°C increments
Eye-level control panel with easy-to-read LED display and touchpad data entry
Manual defrost

Monitoring and Alarm Systems
On-board diagnostics continuously monitor sensors to ensure proper performance
Control Setpoint sets cabinet temperature; Cabinet Temperature displays the temperature
Automatic Incident Monitor (AIM) identifies temperature deviation due to power or temperature failure
Time Delay feature delays restart after power failure
Voltage Buck/Boost corrects incoming line voltage into the unit
Low Voltage Surge Protection minimizes voltage spikes
Battery backup supplies control panel in case of power failure
Key-operated main power and alarm switch
Audible/visual power and temperature failure alarms automatically activate during a temperature deviation
Alarm Test simulates temperature alarm condition
Alarm Reset mutes audible alarm and resets AIM
Clean Filter, Alarm Battery Low and Voltage indicators

Construction
High-strength steel cabinet with corrosion-resistant coating
Minimum 5 in. (127mm) CFC-free, foamed-in-place urethane insulation (outer door: minimum 3.5 in. [89mm])
Integrated door handle for one-handed operation
Built-in key lock (padlock compatible)
Outer door gasket seals with five points of sealing contact
Inner doors made of high-impact ABS plastic with recessed handles
Stainless-steel interior shelves
Patented Refrigeration System features CFC-free DuPont* Suva* low-stage refrigerants
1hp Industrial-grade compressors
Downfeed evaporator
Washable condenser filter
1 in. (2.5cm) dia. access ports
Heavy-duty 2 in. (5cm) locking, tandem wheel casters

Product No.
8621BU1M-139

Model No.
ULT2186-7-D

Doors
one, solid

Capacity
21 Cu. ft.

Temperature
-86 deg C

Voltage
208/203 V

Included Additional Options
90 day warranty extended warranty available