Whiteness & chromaticity Tester

Sample (size) length: Diameter ≥30 mm, Thickness ≤ 40 mm Measurement mode: Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L, A, b Stability: ≤ 0.1 within 30 min Accuracy: Chromaticity co-ordinate 0.0001 Repeatability: Rx, Ry and Rz s ≤ 0.1 chromaticity co-ordinate s ≤ 0.0010, R457 s ≤ 0.10 System: D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150 mm, testing hole diameter 30 mm Light measurement: CIE whiteness (Ganz whiteness W10, Color cast value TW10), WH hunter whiteness, YI Yellowness, ISO brightness R457 Storage: 9 reference samples Dimension (L*W*H) : 360 x 264 x 400 mm Net weight: 23 kg Power supply: 220 V ± 10 %, 50 Hz

Whiteness & color tester is used to measure color values, brightness, whiteness in papermaking, printing, ceramics, chemicals, textile printing and dyeing, building materials, food, salt and other industries.

Sample (size) length :Diameter ≥30 mm, Thickness ≤ 40 mm System :D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150mm, testing hole diameter 30mm Light source :D65 as illuminating source Zero drift :≤ 0.1 %