| Photo detector | Electronically cooled linear CCD |
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| Dispersion element | Diffraction grating |
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| Optical system | Object lens : f= 82mm F2.5, Eyepiece lens : 5° view field |
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| Measuring angle | 2°/1°/0.2°/0.1° Selectable (Electric motor moved) |
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| Measuring distance | 250mm – ∞ (Distance from metallic tip of objective lens) |
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| Spectral band width | 5nm (Half bandwidth) |
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| Spectral accuracy | ±0.3nm *Hg emission lamp |
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| Wavelength range | 380 – 780nm |
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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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| Measuring object | Spectral radiance : W・sr-1・m-2・nm-1 |
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| Measuring function | Radiance Le : W・sr-1・m-2, Luminance Lv : cd・m-2,
CIE1931 chromaticity coordinates xy,
CIE1976 chromaticity coordinates u’ v’, Tristimulus value XYZ,
Correlated color temperature and Deviation,
Dominant wavelength : nm , Peak wavelength : nm
CIE standard observer 2°/ 10° |
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| Measuring luminance range(*1)(*2) | 2° :0.001 – 15,000 cd/m2 1° :0.003 – 45,000 cd/m2 0.2°:0.075 – 125,000 cd/m2 0.1°:0.3 – 500,000 cd/m2 |
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| Accuracy : luminance(*1) | ±2% or less |
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| Accuracy : chromaticity:(x,y) (*1) | x : ±0.0015, y : ±0.001 |
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| Repeat accuracy : luminance(*3) | 0.7% (0.001 – 0.1 cd/m2) 0.3% (0.1cd/m2 – ) |
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| Repeat accuracy : chromaticity(*4) | 0.005 (0.001 – 0.1 cd/m2) 0.0005 (0.1 cd/m2 – ) |
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| Polarization characteristics | Luminance 1% or less
Spectral radiance 2% or less (400 – 780nm) |
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| Interface | RS-232C、 USB 3.0 |
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| Power supply | Dedicated AC adapter AC100V-240V, 50/60Hz, DC12V |
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| Power Consumption | Approx. 30W |
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| Operating conditions | Temperature: 0 – 35℃, Humidity: 80%RH or less
(No condensation) |
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| External dimensions (W×D×H) | 422×130×244mm |
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| Weight | Approx : 5.5kg |
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*1 For standard illuminant A.
*2 Measurable range in Normal and High speed mode.
*3 2σ from 10 times continuous measurement at measuring angle 2° in normal speed mode.
*4 (Max – Min) value from 10 times continuous measurement at measuring angle 2°in normal mode.
Measurement diameter
Measurement diamter: mmφ
| Measuring angle | Measurement distance [mm]* |
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| 250 | 350 | 500 | 800 | 1000 | 2000 |
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| 2° | 6.5 | 10.0 | 15.1 | 25.4 | 32.2 | 66.4 |
| 1° | 3.25 | 4.99 | 7.55 | 12.7 | 16.1 | 33.2 |
| 0.2° | 0.65 | 1.00 | 1.51 | 2.54 | 3.22 | 6.64 |
| 0.1° | 0.33 | 0.50 | 0.76 | 1.27 | 1.61 | 3.32 |
* The measurement distance is the distance from the tip of the metal fixture on the instrument of the objective lens.