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About product and suppliers:
        Alibaba.com offers 113,167 heart rate tester products. About 1% of these are testing equipment, 1% are battery testers, and 1% are ph meters. 

A wide variety of heart rate tester options are available to you, such as universal testing machine, auto testing machine, and torsion tester. You can also choose from free samples, paid samples. 

There are 113,167 heart rate tester suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of heart rate tester respectively. 

Heart rate tester products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 25,594 with ISO9001, 18,700 with Other, and 8,162 with ISO14001 certification.