Instrument | Spectroradiometer SR-UL2 |
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Dispersing element | Diffraction grating |
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Photodetector | Electronically cooled linear CCD |
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Measurement angle | 2°/ 1°/ 0,2°/ 0.1°motor drive |
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Measurement distance | 350mm to ∞ (distance from metallic tip of objective lens) |
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Minimum measurement area | Measurement angle 2° φ10 Measurement angle 1° φ4,99 Measurement angle 0,2° φ1,00 Measurement angle 0,1° φ0,5 |
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Wavelength range | 380 - 780nm |
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Spectral bandwidth | 5 - 8nm (Half bandwidth) |
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Wavelength resolution | 1nm |
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Measurement mode | Auto/Manual(Integral time/Frequency) / External vertical sync signal input |
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Measurement object | Spectral radiance Le: W・sr-1・m-2・nm-1 |
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Calculation function | Radiance, Luminance, CIE1931 chromaticity coordinates xy CIE1976 chromaticity coordinates u' v' Tristimulus value XYZ, Correlated color temperature and Deviation, CIE standard observer 2°/10° |
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Accuracy in luminance | ±2% or less (For standard illminant A) |
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Accuracy in chromaticity | (x,y) : ±0,002 (For standard illuminant A) |
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Repeatability in luminance*1 | 1,5%(0,0005 - 0,005cd/m²) 0,4%(0,005 - 0,1cd/m²) 0,3%(0,1cd/m² or more ) |
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Repeatability in chromaticity*2 | 0,005(0,0005 - 0,005cd/m²) 0,0015(0,005 - 0,1cd/m²) 0,0005(0,1cd/m² or more ) |
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Range of guaranteed luminance accuracy (for standard illuminant A)*3 | 2°:0,0005 - 3.000cd/m² 1°:0,0015 - 9.000cd/m² 0,2°:0,0375 - 70.000cd/m² 0,1°:0,15 - 300.000cd/m² |
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Polarization error | Luminance: 1% or less, Spectral radiance: 2% or less (400 - 700 nm) |
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Measurement time | About 1 - 248 sec :Normal speed mode About 1 - 17 sec :High speed mode |
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Interface | USB2.0/RS-232C selectable |
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Power supply | Dedicated AC adapter AC100V-240V, 50/60Hz, DC12V 36W |
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Operating condition | Temperature 5-30℃, Humidity:80% R.H. or less (no condensation) |
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External dimensions | Approx 406mm x 150mm x 239mm (LxWxD) |
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Weight | Approx 5.5Kg (main unit only) |
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