Optical parameters

• Spectral Range: 380 nm ‑ 780 nm
• Wavelength Resolution: 5 nm
• Calculated Wavelength Step: 1 nm
• Viewing Angle: 1.8°
• Measuring Distance/Diameter: 20 cm - Ø 6 mm; 100 cm - Ø 31 mm (luminance)
• Measured Values: Spectral Radiance, Luminance, Chromaticity Coordinates, Correlated Color Temperature

Measurement performance

• Luminance Measuring Range: 2 ‑ 7×104 cd.m^-2 (higher values with optional filter)
• Luminance Accuracy: ± 2 % (@ 1000 cd.m^-2 and 2856K)
• Luminance Reproducibility: ± 1 %
• Chromaticity Accuracy: ± 0.002 x, y (@ 2856K)
• Colour Reproducibility: ± 0.0005 x, y
• CCT Reproducibility: ± 20 K (@ 2856 K)
  Wavelength Accuracy: ± 0.5 nm

Technical parameters

• Dispersive Element: Imaging grating (flat field)
• Light Receiving Element: Photodiode array 1024 pixel (binned)
• Power Supply: USB powered
• Computer Interface: USB 2.0, PC only
• Dimensions: 140 mm x 58 mm x 34 mm
• Weight: 350 g

Accessories (included)

• Measurement Control Panel and CRS Colour Toolbox for MATLAB 7 (Windows only)
• USB cable
• Hard transportation case
• Tripod

Calibration

• Calibration: NIST traceable
• Calibration certificate included
• Recommended recalibration interval: 1 year