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Photosensitive resistance test operating processes
( Time：2010/1/8 Visits：2703 )
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Photosensitive resistance test operations process (just for hatchback cassette test bed)
1, proof-reading light: A, exact proof: The illuminance meter probe placed on the test bench source chamber openings (test goods location), open the control room light switch to turn off the headlights, open the small lamp, small lamp voltage adjustment knob, so that goods testing surface of the light intensity of 10LUX, strong lighting to maintain a small constant, open headlights, adjust headlights voltage knob, so that goods testing surface of the light intensity of 100LUX. B, a rough proof: first light source to obtain the precise 10LUX and 100LUX with a precise light source resistance of the sample tube on the 200-400LUX (color temperature 2854) 2 hours after light irradiation, the sample test tube inserted in the socket of goods, Open the control room light switch to turn off the headlights, open the small lamp, small lamp voltage adjustment knob, when the multimeter showed that the sample tube resistance and labeling of the R10 is identical, goods testing surface of the light intensity of 10LUX, to keep a small light is strong or not change, open the headlights, adjust headlights voltage knob, when the multimeter showed that the sample tube resistance and labeling of the R100 line, the goods testing surface of the light intensity of 100LUX.
2, goods test: will be 200-400LUX (color temperature 2854) 2 hours after light irradiation of goods inserted in the test socket, (so that goods and insertion depth of the surface towards the light source, and proof-reading meters when the probe or sample tubes according to the surface of the same) to open the a small light switch, headlight switch, this time is a multimeter measure the resistance R10, a small light at the same time open the headlights, this time is a multimeter measure the resistance of R100, to close the headlights, the closure of a small light after 10 second multimeter measured the resistance is R0, then the value according to the formula γ γ value obtained.
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Photosensitive Resis...
