Bahnson Environmental Specialties is now Environmental Specialties, LLC.

Cold Storage Upright Chambers

Capable of maintaining precise temperatures, our cold storage reach-in deliver exceptional performance for applications where humidity control is not needed.

Our chambers deliver strong volumetric uniformity of temperature, helping guarantee that each unit stored in the chamber is kept at the same exact temperature.

To reduce the impact of frost build-up, each cold storage unit is equipped with an automatic defrost cycle. Furthermore, with the addition of an optional dehumidification system, the chamber can be kept frost free.

Our upright reach-ins are suitable for a wide range of applications including:

  • Extended range testing
  • Package studies
  • Pharmaceuticals
  • Drug research
  • Biomedical storage
  • Stability research
  • Laboratory supply storage
  • Sample storage
  • Refrigerated storage of bulk raw materials and finished products
  • Chromatography and analytical separations
  • Refrigerated temperature stability and shelf-life studies
  • Media, chemical, and reagent holding
  • Stability testing

Versatile Cold-Storage Design

Our reach-in cold chamber product line includes seven standard models designed to meet virtually any storage need. A number of customizations, suited to specialized applications, are also available.

  • Maintain temperatures between +2°C to +8°C, (with an extended range of +70°C)
  • Temperature control accuracy of +/-1°C or less
  • Volumetric uniformity (horizontal and vertical)
  • Controlled humidification
  • Optional setpoints as low as -20°C
  • Maintain 10- to 96-percent relative humidity (RH), with an accuracy of +/-5 percent or better
  • Compliance with International Council for Harmonisation (ICH) Q1A guidelines
  • Twenty-two-gauge, stainless-steel interior
  • Scratch-resistant enamel exterior
  • Three-inch, closed-cell urethane insulation to promote superior temperature stability and minimal heat transfer
  • Heavy-duty door hinges, full peripheral magnetic door gaskets, and positive-action latch with lock for a secure, uniform seal
  • Shelving supports up to 130 pounds of distributed load
  • Floor models have individual non-marking casters with adjustable leveling feet for easy installation

We can design our cold chambers to meet a variety of highly specialized requirements, including:

  • Low RH capabilities
  • HEPA filtration
  • Dehumidification system for frost-free operation
  • Back wall lighting for product inspection
  • External stainless-steel construction
  • Temperature/Humidity cycling
  • Cleanroom pass-through
  • Trim for in-wall installation
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Model Specs and Sizes

  • Volume:
    12.0 cubic feet (340 liters)
  • Exterior Dimensions:
    41 x 34.5 x 52.5 inches
  • Shelves:
    2 standard/7 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    350 to 600 pounds
  • Volume:
    25.2 cubic feet (714 liters)
  • Exterior Dimensions:
    41 x 34.5 x 76.5 inches
  • Shelves:
    4 standard/14 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    425 to 750 pounds
  • Volume:
    33.8 cubic feet (957 liters)
  • Exterior Dimensions:
    41 x 34.5 x 91.5 inches
  • Shelves:
    4 standard/19 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    450 to 775 pounds
  • Volume:
    55.0 cubic feet (1,557 liters)
  • Exterior Dimensions:
    82 x 34.5 x 76.5 inches
  • Shelves:
    8 standard/28 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    1,020 to 1,200 pounds
  • Volume:
    74.2 cubic feet (2,101 liters)
  • Exterior Dimensions:
    82 x 34.5 x 91.5 inches
  • Shelves:
    8 standard/38 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    1,020 to 1,200 pounds
  • Volume:
    86.0 cubic feet (2,435 liters)
  • Exterior Dimensions:
    123 x 34.5 x 76.5 inches
  • Shelves:
    12 standard/57 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    1,420 to 1,600 pounds
  • Volume:
    114.8 cubic feet (3,251 liters)
  • Exterior Dimensions:
    123 x 34.5 x 91.5 inches
  • Shelves:
    12 standard/57 max
  • Four-wire Electrical Volts / Ø / Amps:
    208-230 / 1 / 30
  • Weight Range:
    1,420 to 1,600 pounds
  • “Thanks again for the support in getting us to this stage eventually – finding an incubator that meets our temperature spec has been a challenge for us for the last few years and this is a significant milestone for the business. Hopefully we will have more good news to report in the new year.”

    Project Engineer, Major Biotechnology Manufacturer

  • “During a recent external audit, an inspector requested the PM/Cal documents for the stability chambers. It was my pleasure to give him the nicely presented binders. I could tell he was impressed.

    Thanks for the great service you have provided for us over the years.”

    Teresa P, Taste Texture and Health, DSM-Firmenich

  • “Environmental Specialties has always provided me with great service. All the individuals I worked with were knowledgeable about ES products and services.  They were highly skilled. I relied on ES for pm, calibration, qualification, repair, chamber sourcing and consultations. I interacted with a lot of your employees.  The feedback was always spot on. They were always smiling and supportive even in the most difficult situations. ES is a great company with good people.”

    Judy S., Senior Laboratory Technical Support Specialist, Merck Wilson

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