Model |
WR-18 |
Color Space |
CIELAB CIELCH CIEXYZ sRGB |
Color Difference Formula |
△E*ab △E*LCH |
Aperture |
Φ4mm/φ8mm φ40mm (Optional) |
Illumination Condition |
CIE Recommendation:8/d |
Light Source |
D65 A F(CWF) |
Sensor |
Photodiode array |
Observer |
CIE 10° Standard observer |
Measurement Range |
L: 0 to 100 |
Repeated Accuracy |
△E<0.06 |
Table Difference |
△E<0.2 |
Measurement Interval |
0.5 Sec. |
Storage Capacity |
Type sample data : 100 groups with testing sample data: 200 groups |
Lifetime of Bulb |
5 years more than 1.6 million measurements |
Display Screen |
TFT true color 2.8inch@(16:9) |
Language |
English/Simplified Chinese |
Interface of External |
USB2.0 (USB-B) RS-232 (115200bps) |
Working Temperature |
0℃-40℃(32℉-104℉) |
Storage Temperature |
-20℃-50℃(-4℉-122℉) |
Humidity Range |
Relative humidity less than 85%,without condensation |
Weight |
700g |
Size |
199*68*90mm |
Battery Charging Time |
8 hrs |
Battery |
Li-ion battery, 5000 times Measurement |
Standard Accessories |
AC adapter/ 3000mAH Li-ion battery/User manual/Warranty card/USB data line/Color-analysis software/White board |
Optional Accessories |
Flour measuring device/Micro printer/liquid, powder, pulp accessory |