Specifier: Photometer
Tektronix Inc
Light meters.
Tektronix.com
The Optikon Corp Ltd
Lightmeters used to measure ambient illumination, and cailibrated precision spot brightness meters.
Tricor Systems Inc
Design and manufacture of stock and custom instrumentation products including photometers, video photometers, light measurement...
VISO Systems
Viso Systems was founded in 2005 and supplies the lighting market with highly innovative control...
X-Rite
Headquartered in Grand Rapids, Michigan, X–Rite is a global company with locations around the world....
Yokogawa Corporation of America
Light meters, data acquistion, digital oscilloscopes, power analyzers, and recorders.