Whiteness Tester 1)can test powder,pasty,boards,paper/sheet, ... Hotplate, Mixer, PCR, Oven, etc.Whiteness TesterApplication:This instrument based on the principle of photoelectric effect & D65 light ... . Meanwhile, except solution or liquid samples, this instrument can be widely measured the whiteness value of any substances ... Interface--- --- ---Size & Weight405X325X330mm & 6.5kg Whiteness Tester