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About product and suppliers:
        558 digital refractometer products are offered for sale by suppliers on Alibaba.com, of which refractometers accounts for 84%, other optics instruments accounts for 6%. 

A wide variety of digital refractometer options are available to you, 

There are 558 suppliers who sells digital refractometer on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Taiwan, China, from which the percentage of digital refractometer supply is 1%, 94%, and 1% respectively.