Hagner - Model S4 - Universal Photometer/Radiometer - Datasheet

The Hagner Universal Photometer/Radiometer is a combined luminance and illuminance (illumination) meter which is designed for measurements in the field as well as in the laboratory. By application of the different functions of the meter it is also possible to determine such quantities as angles and solid angles (using scales in the viewing field), elevation angles (using optional pendulum), reflection factors (using optional reflection reference), contrasts, transmission and daylight factors, glare indices etc.