Description
Overview
GAOTek desktop spectrophotometer is a highly stable benchtop spectrophotometer; the newly upgraded auto-calibration technology ensures excellent stability of the instrument for long-term use and measurement, even in the case of drastic environmental changes. It has two illumination sources: pulsed xenon lamp and led; with 24 standard light sources and 40+ measurement indicators, it can simulate and calculate color data under various light sources and color indicators.
Features
- Long-term instrument stability ensured
- Stable lighting source for consistency
- 40+ color measurement indicators available
- Management software, 7-inch touch screen, Android OS
Technical Specifications
| Interface | RS-232, USB, USB-B |
| Illumination/ Viewing System | Reflectance: d/8 (Diffused illumination, 8-degree viewing); Simultaneous measurement of SCI/SCE, conform to CIE No.15, GB or T 3978, GB 2893, GB or T 18833, ISO7724 or 1, DIN5033 Teil7, JIS Z8722 condition C, ASTM E1164, ASTM-D1003-07 Transmittance d or 0 (Diffused illumination, 0-degree viewing) |
| Sensor | Silicon Photodiode Array |
| Grating Method | Concave grating |
| Sphere Diameter | 5.98 in (15.2 cm) |
| Wavelength Range | 360 nm to 780 nm |
| Wavelength Interval | 10 nm |
| Half Width | 5 nm |
| Reflectance Range Resolution | 0 % to 200 %, resolution 0.01 % |
| Lighting Source | Pulsed xenon lamp and LED |
| UV Measurement | Including UV, 400 nm cut, 420 nm cut and 460 nm cut |
| Measurement Time | SCI/SCE < 2 seconds; SCI+SCE < 4 seconds |
| Measurement / Illumination Aperture | Reflection: xLAV ΦΦ 1.18 in, LAV ΦΦ 0.71 in MAV Φ 0.31 in or Φ 0.43 in, SAV Φ 0.24 in Aperture for transmission: Φ 0.98 in |
| Transmittance Sample Size | No limit on sample width and height, thickness ≤1.97 in (50 mm) |
| Long Term Repeatability | XLAV Chromaticity value: Standard deviation within ΔE x ab 0.015 (68 °F ± 18 °F arbitrary temperature change, white tile is measured every hour within 24 hours) |
| Repeatability | XLAV Spectrum Reflectance/Transmittance: standard deviation within 0.1% XLAV Chromaticity value: Standard deviation within ΔE x ab 0.015 * When a white calibration plate is measured 30 x at 10-second intervals after white calibration |
| Inter-Instrument Agreement | XLAV ΔE x ab 0.2 (BCRA Series II, Average measurement of 12 tiles, at 73.4 °F) |
| Observer | 2 ° and 10 ° |
| Illuminants | A, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, U30, DLF, NBF, TL83, TL84 |
| Display | Reflectance and Transmittance graph/value, color value, color difference values, pass/fail, color simulation, color assessment, haze, liquid chromaticity values, color tendency |
| Color Space | L x a x b, L. x x Ch, Hunter Lab, Yxy, XYZ |
| Color Index | WI (ASTM E313-00, ASTM E313 to 73, CIE or ISO, AATCC, Hunter, Taube Berger, Stensby)
YI (ASTM D1925, ASTM E313-00, ASTM E313-73), Tint (ASTM E313-00), Metamerism index milm, stain fastness, color fastness, ISO brightness, R457, A density, T density, E density, M Density, APHA, Pt-Co or Hazen, Gardner, Saybolt, ASTM color, Haze, Total Transmittance, Opacity, Color Strength |
| Colour-Difference Formula | ΔE x ab, ΔE x CH, ΔE x uv, ΔE x cmc, ΔE x 94, ΔE x 00, ΔEab (Hunter), 555 hue classification |
| Storage Space | 8 GB |
| Screen Size | 7-inch touch screen |
| Operating System | Android |
| Power Supply | DC stabilized power supply |
| Humidity Range | Below 80% (at 95 °F(35 °C)), no condensation |
| Operating Temperature and Humidity Range | 41 °F to 104 °F (5 °C to 40 °C) |
| Storage Temperature | -4 °F to 113 °F (-20 °C to 45 °C) |