Réflectomètre duel : opacité et blancheur

Instrument portatif pour la mesure simple et rapide de l'ombre (en niveaux de gris) et l'opacité d'un revêtement ou un film.
Standards:
ISO 2814 Paints and varnishes - Comparison of contrast ratio (hiding power) of paints of the same type and colour
ISO 6504 Paints and varnishes - Determination of hiding power - Part 3: Determination of contrast ratio (opacity) of light-coloured paints at a fixed spreading rate BS 3900-D4
ASTM E1347 Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry
ASTM D4214 Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
ASTM D2805 Standard Test Method for Hiding Power of Paints by Reflectometry
ASTM D589-97 Standard Test Method for Opacity of Paper (15°Diffuse Illuminant A, 89% Reflectance Backing and Paper Backing)