ZhiBang ZB-B Whiteness meter

ZHIBANG ZB-B Whiteness Meter measures ISO whiteness (ie R457 whiteness), for fluorescent whitening samples, it can also measure the fluorescence whiteness generated by the emission of fluorescent substances, ZB-B Whiteness Meter indication drift ≤ 0.1, error of indication ≤ 0.5, Repeatability Error ≤ 0.1, sample size test plane is not less than φ 30mm, thickness does not exceed 40mm.