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Testboy TV 333 Lux Meter Illumination Measuring Device Testboy Testboy TV 333 P The Testboy TV 333 is a Digital Light Meter in a handy and robust plastic housing The 18mm high contrast LCD display allows quick safe and accurate reading of the detected light intensity The digital lux meter Testboy TV 333 is a high precision instrument for the precise determination of luminance and the incidence of light on a certain area The measurement is made on a photo element the result will be dis
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