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Model CS-2000A
Wavelength range 380 to 780 nm
Wavelength resolution 0.9 nm/pixel
Display wavelength
bandwidth
1.0 nm
Wavelength precision ±0.3 nm (median wavelength: 435.8 nm, 546.1 nm, 643.8 nm Hg-Cd lamp)
Spectral bandwidth 5 nm or less (half bandwidth)
Measuring angle (selectable)
1° 0.2° 0.1°
Measurement luminance range
(Standard light source A)
0.0005 to 5,000 cd/m
2
0.0125 to 125,000 cd/m
2
0.05 to 500,000 cd/m
2
Minimum measuring area
ø5 mm
(ø1 mm when using closeup lens)
ø1 mm
ø0.2 mm when using closeup lens)
ø0.5 mm
ø0.1 mm when using closeup lens)
Minimum measuring distance
350 mm (55 mm when using closeup lens)
Minimum luminance display
0.00002 cd/m
2
Minimum spectral
radiance display
1.0×10
-9
W/sr, m
2
, nm
Accuracy: Luminance
(Standard light source A)
*1
±2%
Accuracy: Chromaticity
(Standard light source A)
*1
x,y : ± 0.002 (0.001 to 0.05 cd/m
2
)
x :
± 0.0015 (0.05 cd/m
2
or more)
y : ± 0.001 (0.05 cd/m
2
or more)
x,y : ± 0.002 (0.025 to 1.25 cd/m
2
)
x : ±
0.0015 (1.25 cd/m
2
or more)
y : ± 0.001 (1.25 cd/m
2
or more)
x,y : ± 0.002 (0.1 to 5 cd/m
2
)
x : ± 0.0015 (5 cd/m
2
or more)
y : ± 0.001 (5 cd/m
2
or more)
Repeatability:
Luminance (2 σ )
1.5 %
(0.0005 to 0.001 cd/m
2
)
0.7 % (0.001 to 0.003 cd/m
2
)
0.25 % (0.003 to 0.05 cd/m
2
0.15 % (0.05 to 5,000 cd/m
2
)
1.5 %
(0.0125 to 0.025 cd/m
2
)
0.7 % (0.025 to 0.075 cd/m
2
0.25 % (0.075 to 1.25 cd/m
2
)
0.15 %
(1.25 to 125,000 cd/m
2
)
1.5 % (0.05 to 0.1
cd/m
2
)
0.7 % (0.1 to 0.3
cd/m
2
)
0.25 % (0.3 to 5
cd/m
2
0.15 % (5 to 500,000
cd/m
2
)
Repeatability:
Chromaticity (2 σ)
x : 0.003 y : 0.0035
(0.001 to 0.003 cd/m
2
)
x : 0.001 y : 0.0015
(0.003 to 0.1 cd/m
2
)
x, y : 0.0006
(0.1 to 0.2 cd/m
2
)
x, y : 0.0004
(0.2 to 5,000 cd/m
2
)
x : 0.003 y : 0.0035
(0.025 to 0.075 cd/m
2
)
x : 0.001 y : 0.0015
(0.075 to 2.5 cd/m
2
)
x, y : 0.0006
(2.5 to 5 cd/m
2
)
x, y : 0.0004
(5 to 125,000 cd/m
2
)
x : 0.003 y : 0.0035
(0.1 to 0.3 cd/m
2
)
x : 0.001 y : 0.0015
(0.3 to 10 cd/m
2
)
x, y : 0.0006
(10 to 20 cd/m
2
)
x, y : 0.0004
(20 to 500,000 cd/m
2
)
Polarization error
1°: 2% or less (400 to 780 nm); 0.1° and 0.2°: 3% or less (400 to 780 nm)
Integration time Fast: 0.005 to 16 sec.; Normal: 0.005 to 120 sec.
Measurement time Approx. 247 sec. max.
Color space mode L
v
x y, Lvu'v', L
v
T∆uv, XYZ, dominant wavelength, spectral graph
Interface
USB 1.1
Operating temperature/
humidity range
5 to 30°C, relative humidity 80% or less with no condensation
Storage temperature/
humidity range
0 to 35°C, relative humidity 80% or less with no condensation
Size
Main unit: 158 (W) × 200 (H) x 300 (D) mm; Lens: ø70 x 95 mm
Weight 6.2 kg
*1: Average of 10 measurements in Normal mode at a temperature
of 23±2°C and a relative humidity of 65% or less.