Duoyi DY4100 is a new generation Digital earth resistance tester for electrician practice
which is developed The circuit, structure and technique of traditional earth resistance
tester have been improved and the new design is both fine-looking and practical.
Duoyi DY4100 has more complete functions, higher accuracy, more convenient and reliable
for operation and more suitable for outdoor use with dust and wet proof structure. Duoyi DY4100
can test earth resistance of various earth systems including power systems, electric equipments,
lightning conductors as well as resistance value of low resistance conductor and AC voltage test.
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