close hand catching light probe lux meter for measurement |
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navigate by keyword : gadget electronics multimedia hand eye organ smartphone brand font lighting camera watch glasses finger telephone brightness bulb candle checking control device digital display electric electrical electronic environment equipment flux foot handheld icon illuminance industrial instrument intensity lab laboratory lcd light lumen luminance luminous lux measurement measuring meter metering panel diode photodiode photometer portable probe reader scientific sensor sign spectrum symbol tester tool wavelength close catching |
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Close up a hand catching a light probe of a LUX meter for measurement. |
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