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Forma™ Environmental Chambers -3949

Perform a variety of applications withThermo Scientific™ Forma™ environmental chambers, which can be configured for a variety of purposes and are available in multiple capacities. With a wide range of accessories and years of experience in constructing cabinets, we can construct units to match your most stringent applications.

SKU 3949 Categories , Tag

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Broad Range of Features and Controls:

  • Wide temperature range of 0℃ to 60℃ that enhances the flexibility of the unit
  • Relativ+ Humidity control via steam generator from above ambient to 95{89ed6a4e861fa1450bcdffea9c875977b8fbe2ec09d431aa27b85266faa15f02} at 37℃ (not available w/Cat. No. 3920)
  • Sophisticated digital controls
  • Programmable ramp and soak cycles for temperature and RH+
  • Durable cabinets with 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 o+ Humidity from set parameters (except Model 3920)

Durable Construction:

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

Broad Range of Options:

  • Interior lighting for Models 3920, 3940 and 3949 (Optional)
  • Reinforced shelving and flooring for heavy loads
  • Heatless dryer for lowe+ Humidity levels
  • Access ports for probes, sensors
  • Interior convenience receptacles
  • CO2 (IR sensor)
  • 6 in. and 12 in. temperature chart recorder
  • Other custom options available

Compatible with:

  • Recorders (197075, 198036, 198039, 198042, 201144, 201145, 201146, 201147)
  • Reach-In/Environmental Chamber Solid Stainless-steel Shelf (224139)
  • Reach-In/Environmental Chamber Perforated Stainless-steel Shelf (224155)
  • Reinforced Stainless-steel Shelf (224161)
  • Fixed Reinforced Stainless-steel Shelf for two shakers (1900005)
  • Stainless-steel Door Glass Cover, factory installed (190591)

Recommended for:

Ideal for growth, stability and shelf-life testing applications

Ordering Information

+ Humidity controller available on 3940/3949, 3911/3913 only


Thermo Scientific

Thermo Scientific manufactures products which address a range of needs from sample, material characterization and chemical analysis to clinical diagnoses and biological-based therapeutics manufacturing.