Nine whiteness indexes such as R457 / iso2470 blue light whiteness were measured.
WSB-0/1/2 whiteness meter is a new lightweight portable instrument specially launched by China CHNSpec to measure whiteness value. It can measure 9 whiteness indexes such as R457/iso2470 blue whiteness. The instrument has the functions of automatic calibration, one-second output result, comparing whiteness color difference, etc. It can also be connected with cell phone APP and WeChat app, which is more convenient to use.

• Automatic calibration
• R457 / iso2470 blue light whiteness and other 9 whiteness indexes
• One key measurement, 1.5s results
• Contrast whiteness color difference
• Connect mobile app and wechat applet
• Mass data storage
• Nine whiteness indexes such as R457 / iso2470 blue light whiteness were measured
• 9 whiteness indexes:(ASTM,CIE,Ganz,Hunter,Tauble, Berger,AATCC,R457/IOS2470,GB/T17644)
• It has excellent consistency with other competitive products in the United States, Japan and Europe

 After the whiteboard is calibrated, measure the standard deviation of the whiteboard 30 times at an interval of 5 seconds.