We are offering portable whiteness meter. Product description: this instrument based on the principle of photoelectric effect & d65 light source (r457) and with 450 as illumination condition. Meanwhile, except solution or liquid samples, this instrument can be widely measured themore...
This instrument is based on the principle of photoelectric effect & D65 light source (R457) and with 0/d or d/0 as a illumination condition. Meanwhile, except solution or liquid samples, this instrument can be widely measured the whiteness value of any substances. Such as : powdemore...