- 4 -
ⅱ
Display directly thousands of color’ s chromatism
ⅲ
Display color result by Lab
、△
E and Lch
ⅳ
Three standard optical light sources: D65
、
D50and F11
ⅴ
Samples and groups of color difference can be saved
ⅵ
do the metamerism analysis itself or by PC software
ⅶ
4pcs AAA(1.5v)batteries, low power consumption
ⅷ
Small volume
、
light weight and convenient operation
4. Technical Specification
5. Working Theory
Compare the color difference between sample and the measured subject, then
output the data of CIE_Lab , and
△
E,
△
L,
△
a,
△
b.
△
E represents the total color difference.
△
L+ represents partial white,
△
L- represents partial black
(comparing with prototype)
Repeat accuracy
Within E*ab0.08
（
interval measuring 30 times after calibrating
white tabula
）
Lighting/inspecting
system
8/d
（
8
°
Falloff/diffuse reflection
）
SCI
（
include Flat Mirror Light
））
SCE
（
eliminate Flat Mirror Light
）
Light source
White light source
Measured aperture
8mm
Error of instrument
Within E*ab0.5
Field of view
10
°
regulated by CIE
Inspection condition
D65
，
D50
，
F11
Color space
XYZ, RGB, L*a*b, L*C*H, Chroma values and
△ E*ab
,(
△
L*a*b*)
,(
△L*c*h*)
color difference values
Language
Chinese ,English
Interface
USB RS232C
Power supply
4 pcs AA 1.5v batteries, or AC-DC alternating current.
Operating temp
0-70
°
lower than 85% relative humidity
Dimension
77*86*210mm
Weight
550g
