Model

NS820 Spectrophotometer

Illumination/observation system

d/8 (diffused illumination, 8-degree viewing angle) Conforms to CIE No.15, GB/T 3978.

Integrating sphere Size

Φ58mm

Light Source

Combined LED sources

Sensor

Silicon photodiode array

Wavelength range

400~700nm

Wavelength pitch

10nm

Reflectance range

0~200%

Measuring Aperture

Φ4mm

Color Space

CIE LAB, XYZ, Yxy, LCh, CIE LUV，LAB&WI&YI

Color difference Formula

ΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*cmc(l:c),CIE2000ΔE*00，ΔE(h)

Other Chromaticity Data

Whiteness - WI(ASTM E313，CIE/ISO,AATCC,Hunter)，

Yellowness-YI(ASTM D1925，ASTM 313),

TI(ASTM E313，CIE/ISO),

Metamerism Index (Mt)

Colour Stain, Color Fastness, Color Strength, Opacity

Observer

2°/10°

Illuminant

D65,D50,A,C,D55,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12

Display Data

Spectral Value/Graph, Colorimetric Value, Color Difference Value/Graph, PASS/FAIL Result, Color Offset, Color Simulation, color index setting(ΔE*94, ΔE*cmc, ΔE2000), tolerance prompt, reverse prompt, time setting, language setting, restore factory setting

Measurement Time

1.5s

Repeatability

Spectral Reflectance: standard deviation within 0.1%(400~700nm: within 0.2%)
Colorimetric Value: Standard deviation within DeltaE*ab 0.04 (Measurement conditions: white calibration plate measured 30 times at 5 seconds intervals after white calibration was performed.)

Inter Instrument Agreement

Within DeltaE*ab 0.2 (Average for 12 BCRA Series II color tiles)

Dimension

L*W*H=90*77*230mm

Weight

600g

Battery

Li-ion battery. 2800 times within 8 hours.

Lamp Life

5 years, more than 1.6 million measurements

Display Screen

TFT 3.5inch, Capacitive Touch Screen

Interface

USB/RS-232

Data Memory

1000 Standards, 15000 Samples

Operating Temperature

0~40℃（32~104°F）

Storage temperature

-20~50℃（-4~122°F）

Standard Accessory

Power Adapter, Li-ion Battery, Operating Instruction, SQC8 software, White and Black Calibration Cavity, Protective Cover and Wrist Strap

Optional Accessory

Universal Test Components, Micro Printer, Powder Test Box

Notes

The specifications are subject to change without notice.