Lighting Evaluation Tools

Marietta’s Wall

  • Used in conjunction with the LiCor Photometer
  • Rotating arm is utilized to collect luminance data from luminiaires at various angles
  • Used for creating photometric charts (available in the Baker Lighting Lab)
  • Available in the Baker Lighting Lab for pre-approved/monitored use only
  • Video Tutorial Available Here
  • Marietta’s Wall Handout

Heliodon

  • Simulates the sun’s path throughout the year using an artificial sun
  • Available in the Baker Lighting Lab for pre-approved/monitored use only
  • Use in conjunction with a shading device or daylighting model

Minolta Illuminance & Luminance Meter

  • Illuminance Meter provides light value readings in Lux and Footcandles
  • Luminance Meter collects luminance measurements of light sources and reflective surfaces
    • Provides readings in candelas per square meter and footlamberts
    • Accurate measurements from areas through-the-lens view
  • Available for check out in the Baker Lighting Lab
  • Illuminance Meter Video Tutorial Available Here
  • Luminance Meter Video Tutorial Available Here
  • Minolta Illuminance Meter Manual
  • Minolta Luminance Meter Manual

Minolta Chroma Meter

  • Tristimulus color analyzer
  • Measures brightness and color of light
  • Calculates color differences and converts color into a numerical value
  • Use to simultaneously monitor chromaticity coordinates, illuminance, and color tempterature
  • Transfer data to a computer with an output jack
  • Available for check out in the Baker Lighting Lab
  • Minolta Chroma Meter Manual

LiCor Photometer

  • Use in conjunction with LiCor Radiation Sensors
  • Measures illuminance in lux
  • Measures viable radiation with spectral response curve equal to the human eye
  • Provides readings in µmol, lux, klux, or W m-2
  • Available for check out from the Baker Lighting Lab
  • Video Tutorial Available Here
  • LiCor Light Meter Manual

Sylvania Light Meter

  • Measures illuminance in footcandles with +/- 5% accuracy
  • Range from 0-2000 footcandles
  • Available for check out from the Baker Lighting Lab
  • Video Tutorial Available Here
  • Sylvania Light Meter Manual

Sylvania Light Meter DS3050

  • Measures illuminance in footcandles or lux with +/- 3% accuracy
  • Range from 0-4000 footcandles and 0-40,000 lux
  • Displays a 5-Digit reading
  • Available to check out in the Baker Lighting Lab
  • Sylvania Light Meter DS3050 Manual

Bowling Ball Heliodon

  • For use with direct sunlight and a sun peg chart (available in MEEB 12 in Appendix D on Page 1639 44°N and in the Baker Lighting Lab)
  • Use to understand daylighting strategies in architectural models
  • Heliodon adjusts to achieve desired solar orientation
  • Available for check out from the Baker Lighting Lab
  • Video Tutorial Available Here

Artificial Sky

Three Methods of Measuring Reflectance

  • Video Available Here
  • Video includes: measuring reflectance, Marietta’s Wall (horizontal reflectance), and isolux in a daylighting model