VDL LuxmeterHigh precision and easy to use digital luxometer. It has a large LCD screen. Although this luxometer is a high precision instrument, its construction in high quality materials will provide the user many years of use. The VDL luxometer has one of the hiGHEst levels of relative sensitivity, which gives it an extraordinary detection capacity of wavelengths from less than 500 nm to above 650 nm. The cable that connects the luxometer to the pHoto sensor