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About product and suppliers:
        Alibaba.com offers 388 rs232 thermometer products. About 57% of these are temperature instruments, 1% are thermometer. 

A wide variety of rs232 thermometer options are available to you, such as household, industrial, and outdoor. You can also choose from hygrometer, temperature controller, and infrared thermometer. As well as from paid samples, free samples. 

There are 308 rs232 thermometer suppliers, mainly located in Asia. The top supplying countries or regions are Hong Kong S.A.R., China, and Taiwan, China, which supply 61%, 37%, and 1% of rs232 thermometer respectively. 

Rs232 thermometer products are most popular in Western Europe, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 34 with ISO9001, 12 with Other, and 5 with ISO13485 certification.