Model

WSF-2B

WSF-3B

Illuminating

D/8

MeasuringAperture

Φ8mm(Standard)

Φ4mm(Optional)

Φ8mm andΦ4mm

Wavelength range

400nm-700nm

Light source

LED

LED+UV

Integrating sphere size

Φ48mm

Sensor

256 pixel dual array CMOS image sensor

Wavelength interval

10nm

Measuring range of reflectivity

0-200%

Display

3.5 inch TFT capacitive touch color screen

Color space

CIELAB, XYZ, Yxy.LCH CIELUV, HunterLAB

Color Difference Formula

△E*ab, △E*00△E*uv,△E*94,△E*cmc(2:1),△E*cmc(1:1),△E(Hunter)

Color index

WI(ASTM E313，CIE/ISO,AATCC,Hunter)，

YI(ASTM D1925，ASTM 313),TI(ASTM E313，CIE/ISO),

Homochromic index MI, Viscosity fastness, Colour fastness, Force, Coverage

Observation of light source

A,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,TL83,TL84,U30,CWF，U35

Observation Angle

2°/10°

Display content

Spectrogram/data, sample chromaticity value, color difference value/graph, qualified/unqualified result, color deviation

Measuring time

Approx. 1.0s

Repeatability

Spectral reflectivity: MAV/SCI00, within 0.1% of the standard deviation (400~700nm: 0.2%) :

Chroma value: MAV/SCI,ΔE * ab within 0.04 (adjusted, in order to measure the whiteboard 30 times interval 5 s average)

Spectral reflectivity: MAV/SCI00, within 0.08% of the standard deviation (400~700nm: 0.18%) :

Chroma value: MAV/SCI,ΔE * ab within 0.03 (adjusted, in order to measure the whiteboard 30 times interval 5 s average)

Storage

1000 pcs standard samples;

20000 pcs test samples

1000 pcs standard samples;

28000 pcs test samples

Battery  Life

More than 3 millions of times in 5 years

Interface

USB to TTL Level

USB to TTL Level

Bluetooth 4.0

Operating Temperature Range

0 – 40℃

0-85%RH(No condensation)

Elevation: below 2000 m

Storage Temperature

-20 – 50℃  0-85%RH(No condensation)

Weight(Net)

600g

Dimensions

184mm  77mm  105mm