Products |
Technical data
Data of the system at a glance
| Instrument | Luminance Colorimeter BM-5AS |
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| Optical system | Diffraction grating |
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| Spectral sensitivity | Similar to CIE1931 color matching function |
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| Photodetector | Photomultiplier tube |
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| Measurement angle | 3°/2°/ 1°/ 0,2°/ 0.1° selectable |
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| Measurement distance | 350mm to ∞ (distance from metallic tip of objective lens) |
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| Minimum measurement area | Measurement angle 3° φ15
Measurement angle 2° φ10
Measurement angle 1° φ4,99
Measurement angle 0,2° φ1,00
Measurement angle 0,1° φ0,5
Attachment lens AL-6 and AL-11 are available for measuring microscopic object |
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| 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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| Minimum luminance display | 0,00005cd/m2 (this does not mean accuracy) |
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| Luminance range for guaranteed accuracy | Measurement angle 3°:0,005 - 1.500cd/m²
Measurement angle 2°:0,01 - 3.000cd/m²
Measurement angle 1°:0,04 - 12.000cd/m²
Measurement angle 0,2°:1 - 300.000cd/m²
Measurement angle 0,1°:4 - 1.200.000cd/m² |
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| Accuracy in luminance | ±4% or less (For standard illminant A) |
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| Accuracy in chromaticity | Chromaticity(xy) 1 : ±0,005
Chromaticity(xy) 2 : ±0.01 (O-55,Y-48, T-44, A-73B, IRA-05)
±0.03 (R-61, B-46, V-44, G-54)
(with combination of standard illuminant and color glass filter) |
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| Measurement time | Approx. 2se. (Single measurement mode) |
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| Response speed | Normal : All range Approx 30ms
Fast : Range 1 Approx 5ms
: Range 2 Approx 0.5ms
: Range 3 Approx 0.05ms
: Range 4 Approx 0.5ms
: Range 5 Approx 0.05ms |
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| Analog output | (X2, Y, Z) DC:0-4V |
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| Interface | USB1.1 /RS-232C selectable |
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| Power supply | Dedicated AC adapter AC100V-240V, 50/60H |
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| Power consumption | Approx 2.5W |
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| Operating condition | Temperature 5-40℃, Humidity:85% R.H. or less (no condensation) |
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| Storage condition | Temperature -20℃-60℃, Humidity:85% RH or less (no condensation) |
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| External dimensions | Approx 355mm x 154mm x 212mm (LxWxD) |
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| Weight | Approx 3.6Kg (main unit only) |
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Measurement area (Diameter φ) | Measurement distance (mm) |
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| 350 | 500 | 1000 | 5000 | 10000 |
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| 3° | 15.0 | 23.1 | 49.2 | 255 | 510 |
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| 2° | 10.0 | 15.4 | 32.8 | 169 | 341 |
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| 1° | 5.0 | 7.7 | 16.4 | 85 | 170 |
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| 0.2° | 1.0 | 1.5 | 3.3 | 17 | 34 |
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| 0.1° | 0.5 | 0.8 | 1.6 | 8.0 | 17 |
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Luminance Display Range | Range 1 | Range 2 | Range 3 | Range 4 | Range 5 |
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| 3° | 0.00005-0.15 | 0.0005-1.5 | 0.005-1.5 | 0.05-1.5 | 0.5-150 |
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| 2° | 0.0001-0.3 | 0.001-3 | 0.01-30 | 0.1-300 | 1-3,000 |
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| 1° | 0.0004-1.2 | 0.004-12 | 0.04-120 | 0.4-1,200 | 4-12,000 |
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| 0.2° | 0.01-30 | 0.1-300 | 1-3,000 | 10-30,000 | 100-300,000 |
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0.1°
| 0.04-120 | 0.4-1,200 | 4-12,000 | 40-120,000 | 400-1,200,000 |
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