Highly sensitive, hand held photometers / colourimeters. Measures illuminance (Lux) with a cosine receptor and luminance (cd/m²) using a telescope. Includes a large touch screen display, measurement ...

This article was originally published with the title “Pocket Photometers” in SA Supplements Vol. 3 No. 64supp (March 1877), p. 1017 doi:10.1038/scientificamerican03241877-1017csupp View This Issue ...

Water analysis expert Palintest Ltd. has developed new Pooltest 3 and Pooltest 6 photometers for on-site pool water quality testing. The new products are more accurate, using narrow band filters ...