1.DY4100 Digital Ground Resistance Tester 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.
2.This one 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 Digital Earth Ground Resistance Tester Multimeter Resistance Measurer
FEATURES:
Ground resistance measurements from 0.01ohm to 2000ohm with 0.01ohm resolution
Data hold, low battery warning
Complete with test leads, auxiliary earth bars, heavy duty case
High accuracy and convenient to carry and use