Atlas Material Testing Ci4400 Weather-Ometer


Ci4400 Weather-Ometer

For over 100 years, Atlas instruments have revolutionized the science of weather durability testing. The new Atlas Ci4400 Weather-OmeterĀ® is our most advanced instrument yet providing easy and effortless operation, unmatched uniformity, increased capacity and a sleeker design, delivering unparalleled value and performance. With its user-friendly touch screen interface and ergonomic features, the best-in-class just got even better.


  • 6500 W water-cooled xenon arc lamp system 
  • Total exposure area of 7,300 cm2 (1,130 in2) 
  • 3-tier inclined specimen rack with removable sections 
  • Full color 15" touch screen user interface display of all test parameters 
  • Direct setting and control of irradiance: 340nm, 420nm, or 300-400nm 
  • Direct setting and control of BPT/BST 
  • Direct setting and control of relative humidity 
  • Direct setting and control of chamber air temperature 
  • Display of diagnostic messages 
  • 14 factory pre-programmed test methods 
  • Space for 12 custom programs; sub-cycle capability 
  • Multi-language capability (Chinese, Czech, English, French, German, Japanese, Korean,
  • Polish, Russian, Spanish, Turkish) 
  • Streaming data output via Ethernet or USB port. USB thumb drive included 
  • SmartLightTM monitor verifies that correct light capsule is installed 
  • Specimen and rack spray 
  • Filter combinations available to meet all common test methods 
  • Air intake filter 
  • CS-9 xenon lamp cooling system 
  • Water purity indicator with alarm 
  • Test status indicator light 
  • Fold-out tray to hold sample racks, logbooks, consumables, or laptop computers 
  • Easy access to chamber for routine maintenance 
  • Calibrated xenon reference lamp or Xenocal for Ci calibrator 
  • Chamber viewing window in door 
  • Universal electrical configurations to meet local frequency, voltage, and electrical requirements 
  • Designed to meet CE, UL, ISO, EN, and CSA safety requirements 
  • Automatic test countdown based on time or radiant exposure 
  • VibraSonicTM Humidification System
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