? Access to national measurement certification? English switching operation? Ultra-stable performance? Display accuracy 0.01? Repeatability standard deviation 0.08 △ E? Can achieve yellow and white of the test? Can do more tests were averaged? Improve each calibration function by black and white times, the test accurately born? Ergonomic design? high-capacity data storage? multi-mode color value is displayed? PC software, computer data management? USB, Bluetooth connectivity and data output? provide accurate test time set? can manually set the established standard The L * a * b * values? for the enterprise, external color evaluation and data management and control of international similar products in cost-effective ● national metrology certification ● English switch operation ● ultra-stable performance ● Display accuracy 0.01 ● Repeatability △ E standard deviation value of 0.08 ● achieve yellow, whiteness test ● can do more tests were averaged by the black and white calibration function ● improve the accuracy of each test, the professional design standards, powerful configuration ● Ergonomic design ● Large-capacity data storage ● Multi-mode color value display ● PC software, computer data management ● USB, Bluetooth connectivity and data output ● ● provide accurate test time is set by manually setting the standard built iL L * a * b * values ??● fit within the enterprise, external color evaluation and data control of multi-point averaging ● test instrument is placed on a smooth flat objects, multi-point sampling multi-point average or test sample average test standard test products 1-100 1-100 transparent white black chamber floor test hole Technical parameters illumination light receiving system 8 / d (8 ° illumination / diffuse the light), containing specularly reflected light (SCI) display mode chromaticity values: L * a * b, L * C * h, △ E * ab, XYZ, relative RGB values; color value: △ (L * a * b), △ (L * C * h); whiteness: Hunter whiteness, Ganz whiteness; yellowness value: YI measuring diameter of about 8mm in diameter measurement conditions CIE 10 ° standard observer, CIE D65 light source measurement range L *: 1-100 repeatability standard deviation △ E * ab *, less than 0.08 (Measurement conditions: White calibration plate measured 80 times the storage standard sample averaged 100 groups , each standard sample test group of 100 sets of measurement time is about 0.5 seconds halogen light source measurement interface language Chinese, English Power supply 4 AA1.5V alkaline batteries or nickel metal hydride batteries, special adapter DC5V Printer Interface USB2.0 Weight 550g Dimensions 77 × 86 × 210mm