YUEFENG SBDY-1 Digital Whiteness Meter

YUEFENG SBDY-1 digital display Whiteness Meter adopts button operation, Measurement range 0~100%, Precision 0.1, Zero drift ≤ 0.1/10min, Repeatability ≤ 0.2, Measurement aperture φ 30mm, Power supply 220V +/- 10%, Light source D65, Illumination condition 45/0, Display mode digital or LCD display, Measurement direction R457 Blue light whiteness, indication Stability ≤ 0.2/10min, Power 35VA.