Whiteness Meter

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 % Indication drift: ≤ 0.1 % Indication error: ≤ 0.5 % Repeatability error: ≤ 0.1 % Mirror reflection error: ≤ 0.1 % Dimension (L*W*H) : 360 x 264 x 400 mm Net weight: 20 kg Power supply: 220 V ± 10 %, 50 Hz

Whiteness meter is widely used to measure whiteness in paperboard, textile printing & dyeing, paint, plastic products, ceramic, enamel, detergent, cosmetics.

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