分光光譜輻射儀 Jeti Spectraval 1511

Spectraval 1511是一款精巧的分光光譜輻射儀（Spectroradiometer），可在所有顯示裝置上提供高品質的結果，並具備非常精確的測量能力。
 
ColourSpace INF/XPT/PRO & HTX/HTP
6+mm Spot Size
1nm Wavelength Resolution
4.5nm Spectral Bandwidth (2nm HiRes version)
0.2 to 140,000 cd/m2
Laser Pointer Alignment
 
概觀
Spectraval 1511反應快速、靈敏度高，波長範圍涵蓋350到780奈米，並內建目標點雷射進行對準，壓電式快門（Piezo-Electric Shutter）可提供暗訊號補償（Dark Signal Compensation）。
 
與Spectraval 1501不同的是，Spectraval 1511還包括內建顯示螢幕，可直接進行測量使用。
 
Spectraval 1511的標準配備不包含餘弦擴散器（Cosine Diffuser），因為在顯示器校準使用時，未使用此擴散器。如有需要，可在訂購時指定購買擴散器。
 
規格
Spectral range: 380nm - 780nm
Optical bandwidth: 4.5nm
(HiRes 2nm - approx. 6x slower reading speed)
Wavelength resolution: 1 nm
Digital resolution: 16-bit ADC
Viewing angel: 1.8°
Measuring Area/Distance: Ø6mm/20cm; Ø31mm/100cm
Measuring range: 0.2 - 140,000 cd/m2 @ typical warm white LED
Luminance accuracy: ± 4.4% @ 100 cd/m2; illuminant A, k=2
Luminance repeatability: ± 1% @ illuminant A
Chromaticity accuracy: ± 0.002 xy @ illuminant A
Color repeatability: ± 0.0005 xy @ illuminant A
CCT repeatability: ± 20K
Wavelength accuracy: ± 0.2nm; HgAr line source
(HiRes ± 0.3nm)
Polarization Error f8: < 2%
Dispersive element: Imaging grating (flat field)
Light element CCD array: 2048 pixel
(HiRes: 4096 pixels)
Power supply: Battery & USB powered
PC interface: USB 2.0 fullspeed & Bluetooth
Dimensions: 140mm, 115mm, 70mm
Weight: 500g
Operating Temperature: 10-40°C
Operating Humidity: < 85% relative humidity at 35°
Calibration: NIST traceable
建議重新校準：1年
 
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