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Thermo Scientific™ Forma™ 3960 Series Environmental Chamber, 821.2 L, Stainless Steel

Temperature Range: Ambient +5°C to 60°C; Light: No Lighting

Supplier:  Thermo Scientific™ 3960

Catalog No. 03-395-580

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Perform many clinical applications, including elevated temperature stability and shelf-life testing with Thermo Scientific™ Forma™ 3960 Series chambers. These chambers feature a horizontal laminar airflow system, stainless-steel interior and microprocessor controls for a high-performance, high-capacity unit.

  • True laminar airflow through side plenums for extremely tight temperature uniformity
  • Sophisticated microprocessor controls for constant display of temperature
  • Alphanumeric message center for ease of setup and programming
  • Access ports, locking casters and alarm contacts
  • Capacity: 29 cu. ft. (821.2L) for high volumes and a broad range of products
  • Operating temperature range: 5°C above ambient to 60°C (140°F)

Airflow System:

  • Directed airflow system promotes an ideal growth environment.
  • Positive pressure feed plenum and negative pressure return plenum direct air across surface of each solid shelf.
  • Feed plenum cannot be blocked by chamber contents.

Intuitive, Powerful Enviro-Scan™ Control:

  • Unit offers precise control without complicated programming.
  • Operating modes include Run, Setpoint, Calibration and System Configuration.
  • Easy-to-read display offers convenient, continuous monitoring.
  • Audible/visual under- and over-temperature alarms offer peace of mind.
  • Data outputs allow connection to in-house monitor/alarm system to track chamber conditions.

Durable Construction:

  • Exterior cabinet: 18-gauge. cold-rolled steel, powder coated for durability; resists scratches and chipping.
  • Heated glass door for minimal condensation and a clear view
  • 2″ (5.1cm) thick fiberglass cabinet insulation for maximum product thermal protection
  • Solid, stainless-steel interior for long life and minimized equipment costs
  • Five heavy-duty, solid stainless-steel shelves, adjustable on 2″ (5.1cm) centers
  • Swivel locking casters for easy mobility
  • Leveling feet provide stability and added safety
  • Thru-wall access ports on right and left chamber sides for probes, sensors, etc.
  • Interior GFCI duplex receptacle on 115V Model (single European 230V CEE 7 on 230V Model) for shakers, cell rollers, and other equipment
  • Exterior receptacle on upper-right side of control panel for connecting optional recorder or other equipment

Ordering Information:

Reinforced floor/shelf components are available for shakers, cell rollers, or other heavy equipment or product loads inside chamber. Units also available with chart recorders.



30 lb.
UL listed
Stainless Steel (304)
Powder-coated Cold Rolled Steel
Ambient +5° to 60°C
Heated, triple pane, tempered glass exterior
Two 2.4 in. (6.1cm) I.D., one on each side
±0.4° at 30°C (86°F); ±0.3° at 37°C (98.6°F); ±0.5° at 45°C (113°F)
33 in.
83.8 cm
38 in.
30.6 in.
78.7 cm
80 in.
203.2 cm
68.8 cm
299.4 kg
226.8 kg
115 V
9 A
13.6 kg
821.2 L
No Lighting
5 supplied/26 max.
Environmental Chamber
2 in. (5.1cm) fiberglass
Enviro-Scan Microprocessor
Precision thermistor (over temperature and control); independent thermostat (over temperature safety)
33 x 38 x 80 in. (83.8 x 78.7 x 203.2 cm)
25.8 in.
65.5 cm
31 in.
78.7 cm
77.7 cm
60 in.
27 in.
660 lb.
500 lb.
115 V, 50/60 Hz
150 w
50/60 Hz


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