Laserliner-Lux Test-Master-Lux-Meter-Light-Meter-Laserliner-082-130A-P-This-Lux Test-Master-Lux-Meter-from-Laserliner-has-been-designed-for-the-measurement-of-lighting-intensity-in-workplaces-offices-public-buildings-&-industry-P-P-Boasting-a-number-of-key-features-including-the-sensitive-photodiode-with-cosine-correction-for-wide-angle-light-measurement-&-relative-measurement-function-for-reference-&-comparison-measurement-There-is-also-the-peak-function-for-registering-fast-c