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58 __________________________________________________________Barco - DCMS - User Manual
Appendix B: Specifcations
13
Appendix B: Specifcations
13.1
Specifications of the USB sensor
Connection type: USB
Power supply: through USB.
Accuracy: 
Maximum deviation from reference sensor (Minolta CA 210) on reference 
color and grayscale LCD displays:
3
∆ Y ≤ 5% from 0.2 to 1000 cd/m
2
 (typical)
3
∆ x ≤ 0.005 from 1 to 1000 cd/m
2
 (typical)
3
∆ y ≤ 0.005 from 1 to 1000 cd/m
2
 (typical)
3
∆ x ≤ 0.01 from 0.2 to 1 cd/m
2
 (typical)
3
∆ y ≤ 0.01 from 0.2 to 1 cd/m
2
 (typical)
Repeatability over 5 measurements:
Y:
3
0.01 cd/m2 in the range of 0.2 to 1 cd/m
2
 (typical)
3
0.05 cd/m2 in the range of 1 cd/m
2
 to 10 cd/m
2
 (typical)
3
0.1 cd/m2 in the range of 10 cd/m
2
 to 100 cd/m
2
 (typical)
3
1 cd/m2 in the range of 100 cd/m
2
 to 1000 cd/m
2
 (typical)
x, y :
3
0.005 in the range of 0.2 cd/m
2
 to 0.5 cd/m
2
 (typical)
3
0.003 in the range of 0.50 cd/m
2
 to 1000 cd/m
2
 (typical)
13.2
DCMS specifications
For a typical target of 6500 K, gamma 2.35 and luminance 150 cd/m
2
, the user
may expect an accuracy of
for gray levels down to 20% drive level.
These values are not binding as results may vary depending specified targets,
display and display type. 
( ) ( )
λ
V
=
λ
y