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About product and suppliers:
        Alibaba.com offers 440 digital handheld refractometer products. About 77% of these are refractometers, 4% are ophthalmic optical equipments, and 2% are testing equipment. 

A wide variety of digital handheld refractometer options are available to you, such as free samples. 

There are 452 digital handheld refractometer suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 97%, 1%, and 1% of digital handheld refractometer respectively. 

Digital handheld refractometer products are most popular in Western Europe, South Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 29 with ISO9001, 17 with Other, and 10 with ISO13485 certification.