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WW Series Welded Walk-In / Drive-In Test Chamber

Weiss Technik’s WW Welded Walk In & Drive In Test chambers are fully welded chambers with one piece construction.

Key Differentiators

  • Ideal for high temperature & high humidity applications
  • Integral welded floors provide proper drainage of water/liquids
  • One piece construction make the chambers easy to install
  • Larger units can be constructed on site
  • LEEF™ (Leading Energy Efficiency Footprint) technology is a high-efficiency refrigeration system that provides unmatched performance; it features optimal temperature and humidity control accuracy for precise testing results, faster ramp rates, and up to 40% energy savings.
  • The innovative WEBSeason® user interface allows you to program, control and monitor your tests at any time and anywhere – even from your tablet or smartphone


Model WW/WWH420 WW/WWH512 WW/WWH1080 WW/WWH1728
Test Space Volume
420/11839 512 / 14498 1080 / 30582 1728 / 48932
Temperature Range -70°C to +180°C
Humidity Range 20%RH to 95%RH
External Width 84″ (2134mm) 108″ (2743mm) 132″ (3353mm) 156″ (3962mm)
External Depth 132″ (3353mm) 108″ (2743mm) 156″ (3962mm) 204″ (5182mm)
External Height 99″ (2515mm) 111″ (2819mm) 123″ (3124mm) 123″ (3124mm)


Product Features

  • Heavy-duty floors slope to perimeter drains
  • 25 C/min Change Rates available
  • Solid one-piece construction
  • Multiple Plenum Options for Greater Flexibility
  • Prolong soak at high temperature and high humidity
  • Nominal 6-inch high-temperature non-setting fiberglass insulation
  • Vapor-proof interior lights with external switches
  • Floor loading up to 6,000 lbs psf. Extended ranges available.

Additional Options

  • Range of personnel and vehicle door sizes
  • Pneumatic door latches
  • Product shelves
  • Interior fixturing
  • Machine Module Standard Features
  • Completely self-contained including heating, cooling, air circulation, and instrumentation systems
  • Dual air circulation blowers with solid stainless steel jackshafts and external motors
  • Water-cooled refrigeration packages standard; air-cooled systems optional
  • Nichrome wire heating elements with fusible link
  • Solid state heat switching
  • Stainless steel plenum
  • Compatibility with four post simulators or dynamometers
  • HC/CO monitoring of vehicle under test
  • Complete customized operator interface software package
  • Complete installation packages
  • Custom sizes available consult with your local salesperson
  • Many options available – contact your local salesperson for complete list


Product Inquiry




3881 N. Greenbrooke Dr. SE
Grand Rapids, MI 49512

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