Operating Instructions
JETI spectroradiometer spectraval 15x1
Document Revision 105
7.2 spectraval 1511
spectraval 1511
Applications Calibration of broadcast monitors, color adjustment of digital
projectors and video walls, measurement of LED displays
Spectral range 380 nm to 780 nm
Optical resolution (FWHM) 4.5 nm
Wavelength accuracy ±0.5 nm
Calculated wavelength step 1 nm
Digital electronic resolution 16 bit ADC
Measuring values Spectral Radiance, integral Luminance and Radiance,
Chromaticity x, y; u’, v’; Correlated color temperature;
Dominant wavelength, color purity; Color rendering index CRI;
circadian metrics; RGB; CQS; TLCI
Measuring range Luminance 0.1 cd/m
2
to 150 000 cd/m
2
typical 0.1 cd/m
2
to 100 000 cd/m
2
(white LED)
Viewing angle 1.8°
Measuring distance/ diameter
in luminance mode
20 cm - ∅ 6 mm; 100 cm - ∅ 31 mm
Luminance accuracy ±2 % (at 100 cd/m
2
for illum. A)
Luminance reproducibility ±2 % (at 100 cd/m
2
for illum. A)
Color chromaticity accuracy ±0.002 x, y (for illum. A)
Color reproducibility ±0.0005 x, y (for illum. A)
CCT reproducibility ±20 K (for illum. A)
Integration time range 10 µs . . . 60 s
Dispersive element Diffraction grating
Light receiving element CCD line array with 2048 pixels
Operating conditions Temperature 10
◦
C to 40
◦
C
Humidity <85 % relative humidity at 35
◦
C
Power supply Battery and USB powered
PC interface USB 2.0 fullspeed (12 Mbit/s);
Bluetooth
Dimensions (basic unit) 140 mm × 115 mm × 70 mm
Weight (basic unit) 500 g
Pilot laser Laser Class 1, λ= 645 . . . 660 nm (classific. accord. to
EN60825-1/Oct. 2003)
Copyright © 2017 JETI Technische Instrumente GmbH 29