Model 265 CRT Brightness Sensor
This luminance head was specifically designed for measuring CRTs. Its integral lens provides a fixed field-of-view of 13.1°
(average); and a soft rubber light shade eliminates errors due to ambient light, and keeps the CRT from being scratched during measurements.
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Calibrations
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footlamberts, cd/m2
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Photometric Filter Accuracy
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1% total area error
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Function
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2%
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Measurement Range
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fl or cd/m2
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