JIS L 1055 Curtain Light Transmitting Rate Testing Instrument Tent Shading Tester Device
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... in JIS L 1055. Method A involves using an iodine-tungsten lamp/halogen lamp (100V, 500W) as the light source to vertically illuminate the sample, and then using a photometer to measure the luminous intensity (LUX) of the light that passes through the...
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