Duoyi Ground Resistance Tester Digital Earth Resistance Meter Lightning Protection Ground Resistance Tester DY4100

0.01Ω on 200Ω range

0.1V for voltage measurement

Three-wire resistance compensation method to eliminate lead resistance influence

Two-wire measurement method for earth resistance and earth voltage when auxiliary rods cannot be used

Detailed wiring instructions for three-wire and two-wire methods included

Protective cover for dust, splash, and drop resistance

Dual safety protection for professional and secure measurements

31-segment LCD display for clear and intuitive readings

Indicators for power, test status, and hold function

6 x 1.5V AA batteries + 1 x 12V (23A) battery

DY4100 instrument

Color box packaging

Tool bag

User manual

Certificate of conformity

Simple test leads set (red and green, 1.6m each)

Test leads set (red 15m, yellow 10m, green 5m)

2 auxiliary test rods

6 x AA batteries

1 x 12V (23A) battery

Multi-gear selection to meet different measurement needs

Protective cover for instrument storage and protection

Clear pen-watch interface for precise and safe measurements

Suitable for a wide range of applications including building lightning protection grounding, electrical equipment grounding, charging station grounding, and anti-static grounding

Detailed measurement instructions and wiring diagrams provided for ease of use