1、符合標準C光源照明下CIE1931色度系統測量顏色樣品的光譜響應要求，獲得棉花的Rd，+b值，達到棉花測量的客觀評價目的。符合標準GB/T513784-92《棉花顏色試驗方法測試儀法》。
　　2、光源采用德國生產的鹵鎢燈，光源的使用壽命長，儀器的穩定性高。
　　3、儀器的窗口測試范圍（90mm＊90mm）內的照明不均勻度遠小于10%。
　　4、隨儀器配置的標準色板，在棉花顏色空間分布均勻的漫射表面以及基質的選擇等性能方面可與美國930測色儀的配套色板相媲美。
　　5、自動化程度高，系統由計算機自動校正程序，實施無需任何調節的自動校正。
　　6、儀器的準確度：△Rd《+/-0.3,△+b《0.3(對各標準色板)；重復性：△Rd《+/-0.1,△+b《0.1(對各標準色板)。
　　Features:
　　1、To meet the respond requirement of spectrum of color-testing sample of CIE1931 chromatic system under the illumination of standard C light source
　　to obtain Rd+b values of cotton so as to reach objective judgement of cotton measurement, to meet the National Standard GB/T513784-92 "Test method for color of cotton colorimeter methid".
　　2、the tungsten-halogen lamp made of Germany is used, which has long service lifethe tester has high stability.
　　3、Unevenness of illumination within the range(90mm＊90mm) of test window of the tester should be far less than 10%.
　　4、The standard color board followed the tester has same features with that followed the 930 color tester from U.S.A. in fields of diffusion surface distributed evenly on color space of cottonthe selection of basic quality.
　　5、High automation degree. The system can revise program by the computer itself to execute automatic revise without any adjustment.
　　6、Correctness of the tester:△Rd《+/-0.3,△+b《0.3(for standard color board) Reproducibility:△Rd《+/-0.1,△+b《0.1(for standard color board).
主要技術參數：Main Technical Data
　　儀器的準確度：△Rd《+/-0.3,△+b《0.3(對各標準色板)；重復性：△Rd《+/-0.1,△+b《0.1(對各標準色板)。