| Color difference formula |
ΔE*ab
Δ(L*a*b*)
Δ(L*C*h*)
|
ΔE*ab
ΔE*uv
ΔE*94
ΔE*cmc(1:1)
ΔEab(Hunter)
|
| Lighting method |
45/0
|
CIE recommended method: 8/d
|
| Measurement light source |
D65、D50、F11、C
|
A、C、D50、D65、F2(CWF)、F7、F11(TL84)、F12(U30)
|
| Repeatability |
Standard Deviation ≤ 0.08 (Measurement condition: use standard whiteboard to measure 30 times and take the average)
|
Delta E < 0.03 (the average deviation of the whiteboard is measured 30 times)
|
| Operating language |
Simplified Chinese, Traditional Chinese, English
|
Simplified Chinese, Traditional Chinese, English
|
| Color difference formula |
L*a*b*、L*C*H*、XYZ、∆E*ab、∆（L*a*b*）、∆（L*C*H*）、∆XYZ
|
ΔE*ab、ΔECMC、ΔEISO、ΔECIE94、ΔEFCMⅡ、ΔELuv、ΔEhunter、ΔEsRGB
|
| data storage |
Can store 50 sets of Standard values, each set of Standard values stores 30 sets of color difference data
|
1. 100 master standard data, 200 sample data under each master standard 2. 200 white and yellow data
|
| Battery capacity |
4 AA batteries or dedicated AC adapter
|
Lithium battery can be measured 5000 times after being fully charged
|
| Operating environment |
0 to 40 ° C (32 to 104 ° F); below 85% relative humidity
|
0 ° C -40 ° C (32 ° F -104 ° F); relative humidity below 85%, no condensation
|
| Storage environment |
10~ 30℃, relative humidity below 70%
|
-20 ° C -50 ° C (-4 ° F -122 ° F); relative humidity below 85%, no condensation
|
