Ultra Low Temp Chest Freezer (-50C to -85c)

Ultra Low Temp Chest Features:
  • UL and C-UL Listed
  • CFC free, closed cell urethane foam insulation 4” thick on cabinet front, back, sides and floor. Lid is 2” thick foam insulation. Includes removable 2” thick sublid, and uses commercially available refrigerants: R-404a in first stage: R-508B in second stage
  • Optional 2" and 3" boxes and racks available. Contact IDS for a quote on these add-ons.
  • Manual Defrost - Cold wall evaporator design provides superior refrigerant flow and maximizes cooling power by ensuring the evaporator is always 100% in contact with the outer freezer chamber wall, maximizing cold transfer heat removal.
  • Easy open handle allows one handed opening and closing and includes key lockable outer lid.
  • Combination cabinet mounted multi-bulb and lid perimeter gaskets provide multiple points of lid sealing


 Lab Freezer Controler
The Advanced PLC (programmable logic) microprocessor controller on the Ultra Cold chest freezers, seen here, offers an adjustable control range from -50°C to -86°C. It comes factory preset at -80°C.

1" diameter sensor access ports located in top and bottom of back wall of cabinet for use with third party monitoring sensor probes
  • Real time clock, event logging, alarm history, advanced alarms, alarm-test and memory functions
  • Password protection- 2 levels set points and parameters, security for power, temperature and alarm settings
  •  Key pad, multifunction, menu driven, LCD display for trouble free access for monitoring of all control features
  • Temperature adjustable in .1°C increments
  • Temperature display to .1°C increments
  • Control probe located on rear back bottom right corner for optimal and accurate temperature measurement and control, 2-10 VDC cabinet air temperature transmitter.
  • Incoming voltage monitoring and digital display   Built-in surge suppressor with indicator
  • Audible and visual Hi/Lo temperature alarms, user settable via controller keypad as well as Power failure alarm (audible and visual) and alarm test
  • Ambient temperature alarm & indicator indicate room temperature conditions
  • Condenser/compressor protection monitors performance and automatically adjusts to internal and external conditions  
  • Clean filter alarm & indicator
  • Event logging alarm history
  • Remote alarm contacts located on back of cabinet for easy installation and access
  • Continuous recharging 24 hour battery backup for controller system functions with low battery indicator
  • Power on/off switch located in protected area on back of cabinet
  • This unit was designed by our same team that created our Ultra Cold Upright freezers, and is covered by the same warranty as our upright models. Click here to see more about the warranty for this chest freezer.
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Optional Accessories:
  • Inventory rack
  • Fiber board storage boxes in 2" or 3" size
  • 4-20 MA output
  • RS485 Communications
  • Auto Dial phone alarm
  • LN2 backup system
  • CO2 backup system
  • Chart recorder with paper