1. Test condition:

MODEL 1: SCI

MODEL2.3: SCI + SCE

2. Repeatability:

MODEL 1: ≤0.04

MODEL 2: ≤0.03

MODEL 3: ≤0.02

3. Inter-instrument Agreement:

MODEL 1:≤0.4

MODEL 2: ≤0.3

MODEL 3: ≤0.2

4. Test Aperture and illumination aperture:

MODEL 1:1pc, Φ8mm/Φ11mm

MODEL2-3: 3pcs, Φ8mm/Φ11mm, Φ4mm/Φ6mm, Φ6mm/1*3mm

5. Light source:

MODEL 1: LED

; MODEL2-3: LED + UV

6. Camera function:

MODEL 1: No

MODEL 2-3: Yes

7. Mobile APP:

MODEL 1: No

MODEL 2-3:Yes

8. Measuring structure:

MODEL 1: D/8, SCI

MODEL 2-3:D/8, SCI/SCE

9. Measurement observation method:

MODEL 1: Visual

MODEL 2-3: Camera

10. Software support

MODEL 1: Windows

MODEL 2-3: Windows, Android, iOS

11. Interface:

MODEL 1: USB

MODEL 2-3:USB, Bluetooth

12. Storage:

MODEL 1: 10,000 data items

MODEL 2-3: instrument: 10,000 data items; APP: mass storage

13. Display accuracy: 0.01

14. Color Space and Indices: Reflectance, CIE-Lab, CIE-LCh, Hunter Lab, CIE-Luv, XYZ, Yxy, RGB, Color Difference (ΔE*ab, ΔE*cmc, ΔE*94, ΔE*00), Whiteness Index (ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, Taube Berger Stensby), Yellowness Index (ASTM D1925, ASTM E313-00, ASTM E313-73), Blackness Index (My,dM), Color Fastness

15. Source conditions: 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-B2, LED-V1, LED-V2

16. Calibration: Auto calibration

17. Observer: 2°, 10°

18. Integratiing Sphere Size: 40mm