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About product and suppliers:
        Alibaba.com offers 2,906 soil ph tester products. About 63% of these are ph meters, 10% are testing equipment, and 2% are temperature instruments. 

A wide variety of soil ph tester options are available to you, such as universal testing machine, auto testing machine, and humidity sensor. You can also choose from current sensor, resistance sensor. As well as from analog sensor, digital sensor. And whether soil ph tester is free samples, or paid samples. 

There are 2,900 soil ph tester suppliers, mainly located in Asia. The top supplying countries or regions are China, Hong Kong S.A.R., and India, which supply 98%, 1%, and 1% of soil ph tester respectively. 

Soil ph tester products are most popular in North America, Eastern Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 310 with ISO9001, 282 with Other, and 68 with ISO13485 certification.