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About product and suppliers:
        Alibaba.com offers 121,168 heart rate tester products. About 1% of these are testing equipment, 1% are other electrical equipment, and 1% are diagnostic tools. 

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

There are 121,168 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 21,882 with ISO9001, 14,916 with Other, and 6,834 with ISO14001 certification.