CNYST Masterbatch Colorimeter Ultra Large Aperture Spectrophotometer with Measurement Aperture 50mm Color Difference Formulas ΔEab ΔECH ΔEuv ΔEcmc ΔE94 ΔE00 ΔEab (Hunter) 555 Shade Classification

Features：

50mm ultra-large measurement aperture, better suited for testing uneven samples

Light source lifespan of 2 million measurements, no fear of light source damage

Data storage up to 10,000 records, store as much as you need

Fully sealed test port, prevents particles and dust from entering the instrument

Technical Parameters:

Illumination Method: D/8, including specular reflection (SCI)

Integrating Sphere Diameter: 100mm

Light Source: Full-spectrum balanced LED

Wavelength Range: 400-700nm

Reflectance Measurement Range': 0–200%, resolution 0.01%

Wavelength Interval: 10nm

Measurement ApertureL 50mm

Observation Light Sources: A,B,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,U30,U35,DLF,NBF,TL83,TL84,ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1,LED-V2,LED-8

Standard Observers: 2° and 10° Standard Observers

Measurement Time: Approx. 1 second

Color Spaces: CIE LAB,CIE LUV,LCh,Hunter Lн, ан, bн,Yxy,XYZ,Musell,s-RGB,βxy

Chromaticity Indexes: WI (ASTM E313-20, ASTM E313-73, CIE, AATCC, Hunter, Taube, Berger Stensby), YI (ASTM D1925, ASTM E313-20, ASTM E313-73), Tint (ASTM E313-20), Metamerism Index (Milm), Color Fastness to Crocking, Color Fastness to Change, ISO Brightness, R457, A Density, T Density, E Density, M Density, Opacity, Tinting Strength, Intensity

Color Difference Formulas: ΔEab, ΔECH, ΔEuv, ΔEcmc, ΔE94, ΔE00, ΔEab (Hunter), 555 Shade Classification

Repeatability: Standard deviation ΔE*ab ≤ 0.03 (Condition: after warm-up calibration, measure the white tile 30 times at 3s intervals, average value)

Inter-instrument Error: ΔE*ab ≤ 0.4 (Based on average measurement of 12 BCRA II color tiles)

Maximum Data Storage: 10,000 records

Dimensions: 202 × 264 × 152mm

Weight: Approx. 3kg

Power Supply: 100~240V 50/60HZ

Measurement Modes: Single measurement, average measurement

Light Source Lifetime: 10 years / 2 million measurements

Display: 7-inch IPS full-view LCD

System Languages: Simplified Chinese, English

Data Interface: USB

Operating Temperature Range: 5–40°C, relative humidity ≤80% (at 35°C), non-condensing

Storage Temperature Range: -20–45°C, relative humidity ≤80% (at 35°C), non-condensing

Standard Accessories: Petri dish, black cavity, white calibration plate, data cable, power cable