Whiteness Meter 61-PPT101 Catalog

Whiteness Meter 61-PPT101

Overview :

Lab Expo Whiteness Meter 61-PPT101 is used to measure the whiteness of objects. Its compact, advanced circuit design ensures the accuracy and stability of measurement data. It measures ISO (R457) whiteness and fluorescence whitening of the materials. The whiteness meter is provided with light absorber to eliminate the influence of specular reflection of the sample.

Specifications:

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 (LWH)	360 × 264 × 400 mm
Net weight	20 kg
Power supply	220 V ± 10 %, 50 Hz

Features:

Determination of brightness stimulation value ISO R457 standard
Opacity determination sample size diameter ≥30mm thickness ≤40mm
Transparency determination testing hole diameter 30mm measurement accuracy
Light scattering coefficient S and optical absorption coefficient A analysis
Ink absorption value measurement repeatability error ≤ 0.1 percent
RS232 interface PC connections for data communication capability

Applications:

FunctionImplementationQuality control labs≤ 0.5 % indication error ensures accurate whiteness assessmentClinical sample testingDiameter ≥30 mm allows analysis of standard specimen sizesResearch laboratoriesD65 illuminating source supports standardized color evaluationIndustrial production linesNet weight 20 kg enables stable benchtop operationEducational institutionsRepeatability error ≤ 0.1 % provides consistent measurement results

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