Display Mode |
CIELAB/CIELCH/CIEXYZ/CIELUV/HunterLAB/sRGB |
Color Difference Formula |
ΔEab/ΔECMC/ΔEISO/ΔECIE94/ΔEFCMⅡ/ΔELuv/ΔEhunter/ΔEs RGB |
Yellowness and Whiteness |
Ganci whiteness/ISO brightness/YI yellowness |
Illumination Condition |
CIE Recommendation:8/d |
Light Source |
LED blue excitation |
Sensor |
Photodiode array |
Measurement Condition |
Observer: CIE 10° Standard observerLight source: A C D50 D65 F2(CWF) F7 F11(TL84) F12(U30)Contain light way: SCI SCE |
Measurement Range |
L: 0 to 100 |
Repeated Accuracy |
ΔE<0.05 (take the deviation average after 30 times measuring the whiteboard) |
Table Difference |
ΔE<0.2 |
Measurement Interval |
0.5 s |
Storage Capacity |
Standard data: 100 with sample data: 20000, Whiteness/yellowness data: 200 |
Language Patterns |
English/Simplified Chinese/Traditional Chinese |
Quality Control Software |
“Color-Analysis System” software |
Battery Charging Time |
8 h |
Battery |
Li-ion battery, 5000 times Measurement |
Lifetime of Bulb |
5 years more than 1.6 million measurements |
Display Screen |
TFT true color 2.8 in, (16:9) Resolution ratio:400 x 240 |
Interface of External |
USB2.0 (USB-B)- data communication with “color analysis system “software RS-232 (115200bps)- connected with micro printer |
Working Temperature |
32 ℉ to 104 ℉ (0 ℃ to 40 ℃) |
Storage Temperature |
-4 ℉ to 122 ℉ (-20 ℃ to 50 ℃) |
Humidity Range |
Relative humidity less than 85%, without condensation |
Size |
7.8 in x 2.6 in x 3.5 in (199 mm x 68 mm x 90 mm) |
Weight |
1.5 lb. (700 g) |