1. Ultra-high repeatability accuracy: dE*ab ≤ 0.02

2. Excellent inter-stage consistency

3. Over 30 measurement parameters and nearly 40 evaluation light sources available

4. Calibration base and zirconium reference with a Mohs hardness of 9 to calibrate the instrument, ensuring long-term stability

5. Supports 3 measuring apertures for selection

6. Built-in HD camera for clear observation of the measured area

7. Support Android, IOS app.

8. Use the powerful PC-based colour management system software

9. With magnetic holder

Specifications:

1. Test condition: 

    1) AMT539A: SCI

    2) AMT539, AMT539C: SCI + SCE

2. Repeatability: 

    1) AMT539A: ≤0.04

    2) AMT539: ≤0.03

    3) AMT539C: ≤0.02

3. Inter-instrument Agreement:

    1) AMT539A: ≤0.4

    2) AMT539: ≤0.3

    3) AMT539C: ≤0.2

4. Test Aperture and illumination aperture:

    1) AMT539A: 1pc, Φ8mm/Φ11mm

    2) AMT539; AMT539C: 3pcs, Φ8mm/Φ11mm, Φ4mm/Φ6mm, Φ6mm/1*3mm

5. Light source:

    1) AMT539A: LED

    2) AMT539; AMT539C: LED + UV

6. Camera function: 

    1) AMT539A: No

    2) AMT539; AMT539C: Yes

7. Mobile APP:

    1) AMT539A: No

    2) AMT539; AMT539C: Yes

8. Measuring structure:

    1) AMT539A: D/8, SCI

    2) AMT539; AMT539C: D/8, SCI/SCE

9. Measurement observation method: 

    1) AMT539A: Visual

    2) AMT539; AMT539C: Camera

10. Software support

    1) AMT539A: Windows

    2) AMT539; AMT539C: Windows, Android, iOS

11. Interface:

    1) AMT539A: USB

    2) AMT539; AMT539C: USB, Bluetooth

12. Storage:

    1) AMT539A: 10,000 data items

    2) AMT539; AMT539C: 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. Integrating Sphere Size: 40mm

19. Standards: Conform to CIE No.15，GB/T 3978, GB 2893, GB/T 18833, ISO7724-1, ASTM E1164, DIN5033 Teil7

20. Ways of spectral: Nano-integrated spectral devices

21. Sensor: Silicon photodiode array dual 16 groups

22. Wavelength interval: 10nm

23. Wavelenght range: 400~700nm (user viewable reflectance at 31 wavelengths)

24. Reflectance determination range: 0~200%

25. Reflectance Resolution: 0.01%

26. Measurement method: Single, Average (2~99 measurements)

27. Measurement Time:About 1 second

28. Screen: full color screen, 3.5 inches

29. Battery: 8,000 times continuous tests, 3.7V/3000mAh

30. Light Source Lifetime: 10 years, 1 million cycles

31. Language: Chinese, English