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  • Ocular morbidity among students in relation to classroom illumination levels
    A separate “school detail form” was used to gather details about the school, and classroom and blackboard illumination were assessed separately using standard calibrated digital lux meter (LX-1010B).
  • Measurement of Luminance Factor
    An illuminance (foot-candle or lux ) meter can be calibrated from a standard of luminous intensity by using the inverse-square law to calculate the illuminance falling on it.
  • Handbook of Visual Display Technology
    It should also be remembered, as mentioned previously, that most equipment which gives a direct read-out in photometric units (e.g., illuminance meters calibrated in lux ) will have been calibrated with … … source approxi- mating to CIE standard illuminant A (i.e …
  • Novel calibration method for filter radiometers
    Before and after the calibration of the lux meter , the position readings of the translation stages were calibrated using a 50.0011 mm gauge block ( standard uncertainty of the gauge block 0.0005 mm1 ) which was traceable to the primary length standard …
  • Dose response behaviour for polarotropism of the germ tube of the liverwort Sphaerocarpos Donnellii aust.
    In the standard fields the intensity was measured with a lux - meter , series IK with diffuser from AEG, which was calibrated against the thermoeouple.
  • Light Meters - Nonelectrical Properties Testing - Grainger Industrial Supply
    • Light Meter , LED Lighting Types, Measuring Range Measuring Range to 200,000 Lux or 40,000 Foot Candles, Resolution 1, Accuracy +/-3 Percent ( Calibrated To Standard Incandescent Lamp 2856 Degrees K) and Corrected LED Day While-Light Spectrum +/-6 …
  • AMPROBE Test Instruments - Grainger Industrial Supply
    • Light Meter , LED Lighting Types, Measuring Range Measuring Range to 200,000 Lux or 40,000 Foot Candles, Resolution 1, Accuracy +/-3 Percent ( Calibrated To Standard Incandescent Lamp 2856 Degrees K) and Corrected LED Day While-Light Spectrum +/-6 …
  • Grainger.com
    • Light Meter , LED Lighting Types, Measuring Range Measuring Range to 200,000 Lux or 40,000 Foot Candles, Resolution 1, Accuracy +/-3 Percent ( Calibrated To Standard Incandescent Lamp 2856 Degrees K) and Corrected LED Day While-Light Spectrum +/-6 …
  • AMPROBE products - Grainger Industrial Supply
    • Light Meter , LED Lighting Types, Measuring Range Measuring Range to 200,000 Lux or 40,000 Foot Candles, Resolution 1, Accuracy +/-3 Percent ( Calibrated To Standard Incandescent Lamp 2856 Degrees K) and Corrected LED Day While-Light Spectrum +/-6 …