About product and suppliers:
            1,666 earth tester products are offered for sale by suppliers on Alibaba.com, of which resistance meters accounts for 28%, testing equipment accounts for 10%, and diagnostic tools accounts for 1%. 

A wide variety of earth tester options are available to you, such as electronic, hydraulic. You can also choose from digital only, analogue and digital earth tester

There are 867 suppliers who sells earth tester on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, India, and Taiwan, China, from which the percentage of earth tester supply is 98%, 1%, and 1% respectively.