Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...

For over 25 years, ProMetric® Imaging Colorimeters & Photometers from Radiant Vision Systems have provided industry-leading imaging performance for test & measurement of light-emitting components. Now ...

There are generally two steps to transmissive measurements - measuring the reference standard light source with and without a translucent object to collect a baseline. The deviation between these ...

For anyone dabbling in home chemistry, having access to accurate measurement equipment can mean the difference between success and failure. But with many instruments expensive and hard to find, what’s ...

When you buy one of the best 4K monitors or the best drawing tablets, that can include pen displays, you'll want to make sure ...