DMS 803 Goniometer

The DMS 803 offers optimum convenience for angle-dependent analysis of electro-optical characteristics of small to mid-size displays. The measurement system is based on a fully motorized 6-axis goniometer for determining luminance, contrast, and color properties at different viewing angles and variable electrical driving. It is perfectly suitable for all applications in research and development, as well as quality control. The DMS 803 is ideal for determining the characteristics of displays for mobile applications (smartphone, tablet PC) with a comprehensive range of illumination devices and temperature-control chambers.

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  • Characterization of emissive, transmissive, reflective, and transflective displays
  • Fully motorized 6-axis positioner with electrical driving, photometer or spectrometer, illumination, PC, and software
  • Area scan: max. 100 x 100 mm for analysis of homogeneity of luminance, contrast, and chromaticity
  • Optional forced-air temperature-control chamber
  • Analysis of all photometric and colorimetric characteristics as a function of viewing angle, electrical driving, temperature, and time


DMS 803 
Goniometer / Positioning6 motorized axes (inclination, azimuth and height adjustment of the measuring head, x-y-positioning, inclination of the reflective illumination device)
Maximum sample size
600 mm (23″ diagonal) for center measurement;
459 mm (18″ diagonal) for full x-y scanning range
Maximum sample thickness250 mm
Alignment of the sampleHorizontal (with 360° rotation)
DetectorsPhotometer PMT 3 (standard);
Spectrometer (optional)
IlluminationDiffuse transmissive and hemispherical reflective illumination (standard);
Specular illumination for evaluation of reflectance characteristics (e.g. BRDF) (optional)
Measurement-spot sizes0.5 / 1 / 3 / 8 mm
Dimensions instrument
(L x W x H)
approx. 1430 x 980 x 1900 mm (incl. light shielding box)
Dimensions electronics rack
(L x W x H)
approx. 700 x 560 x 1250 mm (or 1050 mm depending on accessories)
Weight instrumentapprox. 320 kg
Weight electronics rackapprox. 105 kg

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