海鸥牌光学滤色镜
Seagull Optical
Filter Glass
 
罗维朋比色计用滤色片
Lovibond Colorimeter Filter Glass
 
　　英国罗维朋公司生产的罗维朋比色计是国际公认的具有权威性的测量颜色用的标准仪器，其用途主要在于测量油脂、松香等物质的颜色，我国现亦采用罗维朋色度标准来制定食用油的国家标准。罗维朋比色计内的主要部件就是罗维朋滤色片，该滤色片是由红、黄、蓝、灰四组颜色，共84片滤色片组成一套。
　　我公司是国内罗维朋滤色片的独家研制生产企业，我们的产品经上海物光厂(现上海物光科技开发有限公司)、杭州光学仪器厂、北京光学仪器厂的整机测试和其他有关单位的使用，认为该产品已完全达到国际同类产品的质量水平。目前，我公司生产的罗维朋滤色片已广泛应用于国内外各家罗维朋仪器的生产企业，并得到专家们的一致认同。
 
　1、红色玻璃共25片，各片分别标有以下色级数：

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　2、黄色玻璃共25片，各片分别标有以下色级数：

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　3、蓝色玻璃共22片，各片分别标有以下色级数：

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　4、灰色玻璃共12片，各片分别标有以下色级数：

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　　The Lovibond Colorimeter produced by The British Lovibond company is internationally recognized standard instrument for colour determination. The main application is to determine the colour of lipid, rosin and so on. Now China also uses Lovibond Colour standard to determine the edible oil standard. The main component of Lovibond instrument is Lovibond colorimeter filter glass which is red, yellow, blue and grey in colour with 84 pieces of glass sheets.
　　We are the only company provide Lovibond Colorimeter filter glass in China. Our product has been tested and used by Shanghai Precision & Scientific Co.,Ltd (former Shanghai Physical-Optical Factory), Hangzhou TASAN Photoelectricity Co., Ltd, Beijing Optical Instrument Factory who affirm that our product has reach the international standards. Currently our product has been used in many manufactories which provide Lovibond instrument, and gained appreciation internationally.
 
　1、25 pieces of red glass sheets,
　each has labeled colour grade as following：

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　2、25 pieces of yellow glass sheets,
　each has labeled colour grade as following：

0.1

0.2

0.3

0.4

0.5

0.6

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0.8

0.9

1

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70

   
　3、22 pieces of blue glass sheets,
　each has labeled colour grade as following：

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

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30

40

　4、12 pieces of grey glass sheets,
　each has labeled colour grade as following：

0.1

0.2

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0.5

0.6

0.7

0.8

0.9

1

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