Thermo Scientific 3940 Environmental Chamber

Cambridge Scientific ID: 26780 Category: Tag:



  • Humidity Control
  • Temperature Range: 0°C to 60°C
  • Chamber Volume: 29 Cubic Feet / 821.2 Liters
  • Temperature Uniforimity: ±0.3°C at 37°C
  • Temperature Sensitiviy: ±0.1°C
  • Chamber Dimensions (HxWxD):  60” x 31” x 27”
  • Exterior Dimensions: (HxWxD):  88.5” x 38” x 32”
  • Weight: 1040 LBS
  • Capacity: 29 cu. ft. (821.2L)
  • Voltage: 208/220V 60 Hz, 15.0A
  • 4-wire power cord (including ground)
  • NEMA 14-20P plug
  • 6 solid stainless-steel shelves
  • Exterior D x W x H: 32 x 38 x 88.5 in. (81.3 x 96.5 x 224.8cm)
  • Interior D x W x H: 27 x 31 x 60 in. (68.6 x 78.7 x 152.4cm)

Broad Range of Features and Controls

  • Wide temperature range of 0° to 60°C enhances the flexibility of the unit
  • Relative humidity control via steam generator from above ambient to 95% at 37°C†
  • Sophisticated digital controls
  • Programmable ramp and soak cycles for temperature and RH†
  • Durable cabinets feature true laminar airflow through side plenums for extremely tight uniformity
  • Phenolic-coated evaporator for use in applications that create corrosive byproducts
  • Manual control of defrost and refrigeration cycles
  • Visible/audible safety alarms alert to over- and undertemperature conditions, deviation of humidity from set parameters (except Model 3920)

Durable Construction

  • Cold-rolled steel, powder-coated cabinet
  • 0 in. (5.1cm) thick, CFC-free, foamed-in-place polyurethane insulation
  • Stainless-steel interior
  • Solid stainless-steel adjustable shelves
  • Directed horizontal airflow system for excellent uniformity
  • Locking swivel casters ensure easy mobility during installation and cleaning
  • Leveling feet provide stability and added safety in the lab

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