Walk-in environmental chamber

The Russells Technical Products W-Series is your solution for your most demanding temperature, humidity, and/or altitude testing requirements. Available in small walk-in or drive-in designs, the W-Series offers maximum flexibility in both chamber size and performance.

Moisture buildup can be destructive to products, especially electronics, causing corrosion and oxidation. The welded and dye-checked one-piece construction of the W-Series chambers allows for rapid thermal change rates, ultra-low temperature cooling, high humidity levels, and prolonged soaks at extreme temperatures and humidity.

Russells’ welded construction W-Series temperature and humidity test chambers afford maximum durability and performance for your most demanding simulation test requirements.

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What Are Walk-In Environmental Chambers?

Moisture buildup can be destructive to products, especially electronics, causing corrosion and oxidation. Russells’ solid construction W-Series temperature and humidity test chambers afford maximum durability and performance for your most demanding simulation test requirements.

Controlled Testing Environment Capabilities

  • Steady-state or cyclical temperature and temperature/humidity tests
  • Rapid-rate temperature/humidity cycling tests (>9°F/5°C/min.)
  • Elevated temperature heat aging (>356°F/180°C)
  • Ultra low temperature cryogenic tests to -180°C/-292°F
  • Temperature range for single stage refrigeration:
    • -32°C/-25°F to 180°C/356°F
  • Temperature range for cascade refrigeration:
    • -73°C/-100°F to 180°C/356°F
  • Humidity Range:
    • 10% to 95% RH within the bounds of a 185°F/85°C max. dry bulb and a 40°F/4°C min. dewpoint
  • Removable access panels to serviceable components
  • Continuous TIG welded 304 stainless interior liner
  • Heavy duty welded steel frame
  • Non-settling oven grade fiberglass insulation
  • Heavy duty reinforced floor construction
  • Chamber floor drain(s), spill containment
  • Multiple door configurations and sizes
  • Dual silicone door gaskets with mitered and vulcanized corners
  • Multi-pane tempered heated viewing window minimizes condensation
  • Durable textured enamel painted finish *custom colors available
  • Quick response vapor generator with replaceable Inconel immersion heaters
  • Vapor generator low water safety protection
  • Humidity water demineralizer with one cartridge
  • Interior lighting with external switch
  • Can be equipped with battery testing safety features according to EUCAR hazard safety level
  • RussellsOne touchscreen controller temperature and humidity programmer/controller
  • Additonal data logging sensors/inputs
  • Auto restart timer to automatically restart chamber after power outage
  • Remote control panel for unique configuration requirements
  • Product Temperature (Cascade) Control
  • Additional access ports
  • Padlock hasp (lockable open/closed position)
  • LN2 or CO2 boost cooling
  • Dry air purge to minimize migrating moisture and condensation to control humidity
  • GN2 purge system to mitigate condensation and control humidity
  • Industrial dehumidification systems
  • Combustion/continuous make-up air systems
  • Remote (outdoor) refrigeration systems and/or condensors
  • Air-cooled or water-cooled refrigeration condenser
  • Refrigeration sound-deadening package
  • Boost heating
  • Main power disconnect switch
  • Control panel mounted E-Stop
  • Running time meter
  • Minimal spark options for battery testing and potentially hazardous test articles
  • Ultra-low temperature (cryo) options
  • High heat options (temperature only models)
  • Multiple voltage options
  • NRTL/eSAFE inspection
  • Single stage or cascade refrigeration
  • Zero ozone depletion refrigerants
  • Multiple compressor options
  • Cryogenic models available
  • Heat only models available
  • Copper tube/aluminum fin cooling coil
  • High efficiency brazed plate cascade heat exchanger
  • Non-bucking automatic heat/cool mode selection with compressor time-out
  • High/low/oil refrigeration pressure limit switches
  • Inherent compressor overload protection
  • Watlow F4T programmer/controller
  • Ethernet Modbus TCP communication
  • Touchscreen control interface
  • Robust graphing and datalogging capability
  • Digital Product Safeguard high/low temperature limit with audible alarm
  • Solid state humidity sensor
  • UL 508A compliant control panel
  • All wiring meets National Electric Code (NEC) standards
  • System branch circuits individually fused
  • 115v control circuitry with integrated isolation transformer
  • Full system function switches and indicator lights
  • System fault status indicators
  • All wiring color coded and labeled
  • High temperature failsafe limit
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What are Modular Construction Walk-In Temperature & Humidity Chambers?

Russells WM-Series, walk-in environmental test chambers can provide the following combination of controlled testing environments:

  • Steady-state temperature and temperature/ humidity tests
  • Moderate temp./humidity cycling test (< 9°F/5°C/min.)
  • Moderate temperature heat aging (<185°F/85°C)
  • Economical cost
  • Ease of move in and install
  • Wide range of size and performance
  • Engineered cooling modules
  • Temperature range for single stage refrigeration:
    • -13°F/-25°C to 185°F/85°C
  • Temperature range for cascade refrigeration:
    • -100°F/-73°C to 185°F/85°C.
  • Humidity Range: 10% to 95 RH within the bounds of a 158°F/70°C max. dry bulb and a 40°F/4°C min. dewpoint.
  • Through‐wall access ports with foam plugs
  • Viewing windows
  • Refrigeration gauges
  • Refrigeration sound deadening package
  • Remote refrigeration systems
  • LN2 boost cooling
  • Humidity water demineralizer
  • Dry air purge system
  • Desiccant dehumidifier
  • Personnel entrance airlock
  • Entry ramp
  • Running time meter
  • Electrical disconnect switch
  • Product safeguard redundant over/under temperature limit
  • Circular or electronic chart recorders
  • Computer communications, networking, data‐logging software
  • Free standing remote instrument console
  • Additional safeguards for battery testing
  • Low or zero ozone depletion refrigerants
  • Energy-saving refrigeration bypass capacity control
  • Low stage desuperheater
  • Oil pressure switches
  • Compressor suction and discharge pressure switches
  • Air or Water cooled condenser
  • Vapor tank and condenser ASME certified
  • Compressor overload protection
  • High-stage compressor crankcase heater
  • Compressor head fans
  • Low-stage oil separator
  • All piping joints silfos or silver soldered
  • Stainless steel compressor condensate pans
  • All wiring meets NEC/NFPA standards
  • 120v control circuit transformer
  • Fully enclosed electrical panel
  • All circuits fused or circuit breaker protected
  • Full system function switches with system status pilot lights
  • Incandescent interior lighting
  • All wiring numbered or color coded
  • High Temperature limit safety
  • Master heating circuit contactor
  • Air circulator/heater interlock
  • Balanced load on 3 phase power
  • 3rd party NRTL/CSA/CE marking available
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What are Walk-In Environmental Rooms?

Our environmental test rooms are climate-controlled and allow testing for long-term stability, accelerated testing, humidity, and forced long-term stability. We offer the widest range and selection of customizable sizes in environmental rooms used in a variety of industries including pharmaceutical, cold storage, cultivation rooms, incubation, concrete curing, film/photography storage, and more. Our environmental rooms are compliant with NIH, USDA, and other common industry standards.

  • Modular panelized construction with polyurethane foam insulation core (R-value 31+)
  • Wall thickness: 4” (100mm)
  • Available wall panel finishes: galvanized steel, steel with baked enamel, embossed aluminum, stainless steel
  • Floor loading to 600 lbs/ft₂ (2900 kg/m₂) evenly distributed
  • Available door sizes from 34” to 60” in multiple configurations
  • Hardware hinges and latches are heavy duty polished castings
  • Microprocessor temperature/humidity programmer controller mounted in console with acrylic cover
  • Temperature range: -30˚C (-22˚F) to +60˚C (+140˚F)
  • Humidity Range: 5% to 95% RH
  • Through-wall access ports with foam plugs
  • Viewing windows
  • Refrigeration gauges
  • Refrigeration sound deadening package
  • Water cooled condenser
  • Humidity water demineralizer
  • Dry air purge system
  • Desiccant dehumidifier
  • Ante rooms
  • Entry ramp
  • Running time meter
  • Electrical disconnect switch
  • Floor screeds for attachment of floorless chamber to existing building floor
  • Key locked instrumentation console
  • Outdoor refrigeration units
  • Circular or electronic chart recorders
  • Low or zero ozone depletion refrigerants
  • Air cooled condenser
  • Compressor overload protection
  • All piping joints silfos or silver soldered
  • Refrigeration/condenser skid
  • UL 508A compliant control panel
  • All wiring meets National Electric Code (NEC) standards
  • System branch circuits individually fused
  • 120v control circuitry
  • Full system function switches and indicator lights
  • System fault status indicators
  • All wiring color coded and labeled
  • High temperature failsafe limit

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