GAOTek Surface Colorimeter

This surface Colorimeter has a temperature of 32 ℉ to 104 ℉, a Photodiode array sensor, and a Li-ion battery.



  • Measures color in RGB, HSI, XYZ, and Lab spaces
  • High accuracy with a delta E of ≤0.3
  • Repeatability of ≤0.05 delta E
  • Wide spectral range of 380 nm to 780 nm
  • Fast measurement time of 0.5 s
  • Includes easy-to-use software

Technical Specifications

Color Difference Formula ΔEab/ΔECMC/ΔEISO/ΔECIE94/ΔEFCMⅡ/ΔELuv/ΔEhunter/ΔEs RGB
Yellowness and Whiteness Ganci whiteness/ISO brightness/YI yellowness
Illumination Condition CIE Recommendation:8/d
Light Source LED blue excitation
Sensor Photodiode array
Measurement Condition Observer: CIE 10° Standard observerLight source: A C D50 D65 F2(CWF) F7 F11(TL84) F12(U30)Contain light way: SCI SCE
Measurement Range L: 0 to 100
Repeated Accuracy ΔE<0.05 (take the deviation average after 30 times measuring the whiteboard)
Table Difference ΔE<0.2
Measurement Interval 0.5 s
Storage Capacity Standard data: 100 with sample data: 20000, Whiteness/yellowness data: 200
Language Patterns English/Simplified Chinese/Traditional Chinese
Quality Control Software “Color-Analysis System” software
Battery Charging Time 8 h
Battery Li-ion battery, 5000 times Measurement
Lifetime of Bulb 5 years more than 1.6 million measurements
Display Screen TFT true color 2.8 in, (16:9) Resolution ratio:400 x 240
Interface of External USB2.0 (USB-B)- data communication with “color analysis system “software RS-232 (115200bps)- connected with micro printer
Working Temperature 32 ℉ to 104 ℉ (0 ℃ to 40 ℃)
Storage Temperature -4 ℉ to 122 ℉ (-20 ℃ to 50 ℃)
Humidity Range Relative humidity less than 85%, without condensation
Size 7.8 in x 2.6 in x 3.5 in (199 mm x 68 mm x 90 mm)
Weight 1.5 lb. (700 g)


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