Description
Overview
GAOTek food handheld colorimeters are economical models to measure the color difference. The instrument is auto calibration to make it simpler in operation. It contains 30 kinds of parameters and 26 kinds of illuminants. This product has switchable apertures to measure samples in different sizes.
Technical Specifications
| Geometry | D or 8 (diffused illumination, 8 degrees viewing)
SCI (specular component included), SCE (specular component excluded) |
| Repeatability | Chromaticity Value
Standard deviation Δ E x ab ≤ 0.04 Average d E x ab ≤ 0.05 Max. d E x ab ≤ 0.08 (when a white tile is measured 30 times at 5 seconds interval) |
| Inter-Instrument Agreement | Δ E x ab ≤ 0.4 |
| Display Accuracy | 0.01 |
| Test Aperture or
Illuminated Area |
Φ 0.31 in (8 mm) or Φ 0.43 in (11 mm)
Φ 0. 16 in (4 mm) or Φ 0.24 in (6 mm) Φ 0.31 in (8 mm) or Φ 0.43 in (11 mm) Φ 0.16 in (4 mm) or Φ 0.24 in (6 mm) |
| Color Space and Indices | Reflectance, CIE-Lab, CIE-LCH, Hunter Lab, CIE-Luv, XYZ, YXY, RGB, Color Difference (Δ E x ab, Δ E x CMC, Δ E x 94, Δ E x 00), Whiteness Index (ASTM E 313-00, ASTM E 313 to 73, CIE or ISO, AATCC, Hunter, Taube Berger Stensby), Yellowness Index (ASTM D1925, ASTM E313 to 00, ASTM E 313 to 73), Blackness Index(My, d M), Staining Fastness, Color Fastness, Tint(ASTM E 313-00), Color Density CMYK(A,T,E,M), Metamerism Index Milm, Munsell, Opacity, Color Strength |
| Illuminants | A, B, C, D 50, D 55, D 65, D 75, F 1, F 2, F 3, F 4, F 5, F 6, F 7, F 8, F 9, F 10, F 11, F 12, CWF, U 30, U 35, D LF, NBF, TL 83, TL 84 |
| Language | Chinese and English |
| Storage | 100 pieces of data |
| Observer | 2°, 10° |
| Sphere Size | 1.57 in (40 mm) |
| Display Accuracy | 0.01 |
| Light Source | LED |
| Camera | NO |
| Calibration | Auto |
| Software | Windows |
| Accuracy guarantee | Pass National Metrology Level I |
| Spectroscopic Method | Integrated optics |