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Réflectomètre duel : opacité et blancheur

Code de produit: RHO-NSD45/0

Réflectomètre duel : opacité et blancheur

Utilise une géométrie 45/0° capable de mesurer l’opacité et la blancheur ce qui permet d’optimiser d’une manière très significative les additives et les colorants sans la nécessité d’un spectrophotomètre, en plus c’est un instrument idéal pour l’étude des rendements des détergents et des tensioactives.

Description

Details

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)

Caractéristiques

Caractéristiques

Resolution: 0.1GU
Reproducibility: 0.5%
Repeatability: 0.2%
Battery life: 15,000+ readings
Dimensions: 125 x 50 x 100mm
Measurement area: 15 x 10mm ellipse
Poids: 470g
Shade mode
0% = black,no reflectance
100% = brilliant white – full reflectance
Opacity mode:
0% = completely transparent
100% = fully opaque
Measures using the 0/45º geometry
Video

Video

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