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Thermo Scientific™ Forma™ 900 Series -86°C Upright Ultra-Low Temperature Freezer, PROMO

Provide uncompromised sample protection for -50 to -86°C applications with Thermo Scientific™ Forma™ 900 Series -86°C Upright Ultra-Low Temperature Freezers.

Manufacturer:  Thermo Scientific™ 989DDFS

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Catalog No. 98-9PM

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Key Features

  • Centralized, eye level information center, including microprocessor control and monitoring system; all controls and displays are easy to reach and read
  • Improves temperature control and increases reserve BTUH capacity, resulting in a more stable temperature sample
  • Unique double door to store frequently used samples in the top chamber while long-term storage remains undisturbed in bottom
  • Single-hand operation: easy-to-use, padlock-compatible, ergonomic door handle with integrated key lock
  • Optional CO2 or LN2 back-up: Choice of CO2 or LN2 safety back-up systems for additional sample protection in the event of a power or mechanical failure
  • Optional chart recorder: Built-in chart recorder can be installed at eye level on Forma 900 -86°C models


  • 5 in. (127 mm) foamed-in-place, polyurethane insulation: Reduces power consumption, maintains temperature setpoint
  • Triple-point door gasket, provides longer holding time in the event of a door opening
  • Rugged, heavy gauge, cold-rolled steel cabinets resist chipping and rust
  • 1 in. (25mm) access ports: Allow for the use of inexpedient probes or instrumentation
  • Four inner doors reduce cold air loss and improve temperature recovery after door closings
  • Painted Galvaneel interior (stainless steel option available)
  • Water-cooled condenser option available


−50 to -86°C
23 cu. ft.
360 boxes
208 to 230 V, 60 Hz
60 Hz
NEMA 6-15
850 lb.
900 lb.
Push Button LED
R404A (1st stage), R508B (2nd stage)
68 kg
RS-485, 4-20mA, dry contacts - standard, PT100 probe Optional
CO2 or LN2 Optional
11.02 sq. ft.
1.02 sq. meters
Not Available
Not Available
Ultra-Low Freezer, Upright
Forma Series Ultra-Low Freezer, 360-Box Capacity, 208 to 230 V, 60 Hz
651 L
36,000 x 2 mL
208 to 230 V
12 A
25.3 x 30.6 x 51.5 in. (64.3 x 77.7 x 130.8 cm)
385 kg
408 kg
Polyurethane Foam
Painted Galvaneel - Standard, Stainless-steel - Optional
150 lb.
KeyLock, Padlock Standard
Smart-Vue Compatible
7-day Ink or Inkless (Optional)
Warranty varies by country, please contact us for details
19 kW/day
Standard Operation
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