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Thermo Scientific 3940 Forma Environmental Chamber 29-cu ft | 821.2L

$22,276.00 $20,068.75

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  • We present online our competing price. If you might find a lower price, we ask you to place a bid and notify us of the winning price that will earn your business. All of our products have a minimum reserve price to be met before we grant a bid. We can only hope that a gap exists that benefits us both.
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  • 208/220 volts, 60 hertz — Brand-New + Direct / Drop Shipping¹ + Includes Warranty = from Thermo Scientific

Description

  • Perform a variety of applications with Thermo 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.

Broad Range of Features and Controls

  • Wide temperature range of 0° to 60°C that enhances the flexibility of the unit.
  • Relative humidity control via steam generator from above ambient to 95% at 37°C (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 of humidity from set parameters (except Model 3920).

Durable Construction

  • Cold-rolled steel, powder-coated cabinet.
  • 2" (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 lower humidity levels.
  • Access ports for probes, sensors.
  • Interior convenience receptacles.
  • CO2 (IR sensor).
  • 6" and 12" 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.

Specification

Product Size Each
Capacity (English) 29 cu. ft.
Capacity (Metric) 821.2L
Voltage 208/220V
Hertz 60Hz
Height (English) Exterior 88.5 in.
Width (English) Exterior 38 in.
Depth (English) Exterior 32 in.
Height (Metric) Exterior 224.8cm
Width (Metric) Exterior 96.5cm
Depth (Metric) Exterior 81.3cm
Height (English) Interior 60 in.
Width (English) Interior 31 in.
Depth (English) Interior 27 in.
Height (Metric) Interior 152.4cm
Width (Metric) Interior 78.7cm
Depth (Metric) Interior 68.6cm
Cabinet Material Cold-rolled steel, powder-coated cabinet
Amperage 15A
Shelves 6 supplied; 19 max.
Display Digital dual LED
Programmability Temperature ramp and soak, up to 24 steps
Temperature Range (Metric) 0° to 60°C
Temperature Resolution 0.1°C
Temperature Uniformity ±0.3 at 25° to 37°C
Temperature Sensor RTD
Temperature Accuracy ±0.1 at 25° to 37°C
Compressor 1/4hp, air-cooled
Relative Humidity Relative humidity control via steam generator from above ambient to 95% at 37°C
Heat Output 1750W (6000 BTU/hr.) at 220V, 1600W (5500BTUH) at
Humidity Accuracy ±5.0%
Humidity Control Microprocessor, PID
Humidity Display Digital, dual LED (direct set and read in % RH)
Humidity Range Above ambient to 95% at 37°C (98.6°F)
Humidity Resolution 0.01
Humidity Sensor Bulk polymer
Humidity Source Steam generator; initial fill approx. 1 qt. (1L)
Input Water Pressure Water Inlet Gravity to 40psi
Water Resistivity 50kilohm to 1megohm resistance
Lighting Interior Lighting
Defrost Adjustable defrost timer; factory set for two 15-min. defrost cycles/24 hr.
Refrigerant CFC-free, R134A
Water Consumption 0.25 gal./hr. input water volume
Certifications/Compliance ICH, FDA, TAPPI, ASTM™
Capacity 29 cu. ft., 821.2L
Dimensions (D x W x H) Interior 27 x 31 x 60 in. (68.6 x 78.7 x 152.4cm)
Electrical Requirements 208/220V 60Hz

Variation

Model Capacity Electrical
3911
aka 3911-11This product has more than one valid catalog number.
11 cu. ft., 311.5L 208/220V 60Hz
3913 11 cu. ft., 311.5L 220/240V 50/60Hz
3920 29 cu. ft., 821.2L 120V 60Hz
3940 29 cu. ft., 821.2L 208/220V 60Hz
3949 29 cu. ft., 821.2L 220/240V 50/60Hz

Accessory

Brochure

Thermo Scientific Forma Environmental Chambers Product Brochure
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Why Two Buying Methods? Explain
  • Simply Put, it just makes sense.
  • We present online our competing price. If you might find a lower price, we ask you to place a bid and notify us of the winning price that will earn your business. All of our products have a minimum reserve price to be met before we grant a bid. We can only hope that a gap exists that benefits us both.
  • Thank You for allowing us to be of service. Good luck bidding!
  • By the way, to ensure your sensitive data is safe and secure, we only use the COMODO EV SSL Certificate, the highest security encryption level of trust.

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