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Fisher Scientific™ Isotemp™ -86°C Ultra-Low Temperature Freezers, 23 cu. ft.

Mid-level monitoring and alarm functions

Manufacturer: fisher scientific™  IU2386D

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Catalog No. IU2386D

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Product Name Isotemp ULT
Rack Capacity 2 shelves of sliding drawer racks with 2 in. boxes
Inner Doors 5
Product Type Upright
Width (Metric) Exterior 103.6cm
Height (English) Exterior 77.9 in.
Temperature Range (Metric) −86°C
Plug Type NEMA 6-15
Depth (English) Exterior 38.9 in.
Length (English) Exterior 38.9 in.
Width (Metric) Interior 77.7cm
Height (Metric) Interior 130.8cm
Width (English) Interior 30.6 in.
Length (Metric) Exterior 94cm
Width (English) Exterior 40.8 in.
Dimensions (L x W x H) Exterior 38.9 x 40.8 x 77.9 in. (94 x 103.6 x 197.9cm)
Height (Metric) Exterior 197.9cm
Insulation Urethane
Capacity (Metric) 651.3L
Weight (Metric) 408kg
Depth (English) Interior 25.3 in.
Height (English) Interior 51.5 in.
Dimensions (D x W x H) Interior 25.3 x 30.6 x 51.5 in. (64.2 x 77.7 x 130.8cm)
Certifications/Compliance NEMA, UL, cUL, CE, TUV
Weight (English) 900 lb.
Capacity 23 cu. ft., 651.3L
Temperature Range −122.8°F
Electrical Requirements 208/230V 60Hz
Holds 400 Boxes
Capacity (English) 23 cu. ft.
Exterior Finish Stainless Steel
Hertz 60Hz
Depth (Metric) Exterior 98.8cm
Display LED
Voltage 208/230V
Amperage 12A
Depth (Metric) Interior 64.2cm

Programmable microprocessor control provides reliable sample protection, superior performance, excellent energy efficiency, and low noise levels.

  • Temperature range: -86° to -50°C
  • Easy-to-read door-mounted LED with touchpad data entry
Microprocessor Control
  • Continuously monitors sensors to ensure proper performance
  • Key-operated main power and alarm switch
  • Control setpoint in 1°C increments
  • Temperature deviation or power failure triggers audible/visual alarms
  • LED shows temperature deviation due to power or temperature failure
  • Time Delay, Alarm Test, Alarm Reset push-button controls
  • Clean Filter, Alarm Battery Low and Voltage indicators
  • Voltage Buck/Boost corrects incoming line voltage
  • Low Voltage Surge Protection minimizes voltage spikes
  • Battery backup supplies control panel in case of power failure


  • CFC-free refrigerants
  • 1hp industrial-grade compressors
  • Downfeed evaporator
  • Washable condenser filter
  • Two 1 in. (2.5cm) dia. access ports
  • Steel cabinet with corrosion-resistant coating
  • Minimum 5 in. (12.7cm) CFC-free, foamed-in-place urethane insulation
  • Built-in key lock (padlock compatible)
  • Outer door gasket seals with five points of sealing contact
  • Inner doors are high-impact ABS plastic with recessed handles
  • Stainless-steel interior shelves
  • Heavy-duty 2 in. (5cm) locking, tandem wheel casters