Duoyi DY4100 Digital Ground Resistance Tester High-Precision Electronic Earth Tester Outdoor Lightning Protection Ground Resistance Meter

0.01 Ω (low range)

0.1 Ω (medium range)

1 Ω (high range)

High precision measurement with three-wire resistance compensation method to eliminate lead resistance influence

Double protection for safe and professional measurement

Large, clear LCD screen for easy reading and time-saving operation

Digital display with unit symbols

6 x 1.5V AA batteries or 1 x 12V battery (12V23A)

Battery compartment with removable design for easy replacement

LCD display screen

Function selection switch (three ranges)

HOLD data save button

TEST button

Power indicator (red LED)

Operation indicator (green LED)

Main instrument unit

Warranty card and certificate

User manual

Auxiliary earth spikes x2

6 x AA batteries (1.5V)

1 x 12V 23A battery

Carrying case

Color packaging box

Power industry

Telecommunications

Railways

Petroleum and chemical industries

Mining

Communication base stations

Other electrical grounding measurement scenarios

Three-wire earth resistance measurement with compensation to eliminate lead resistance

Suitable for environments where auxiliary earth rods cannot be driven

Supports simplified testing methods using existing grounding systems such as metal water pipes, fire hydrants, lightning rods, and building grounding points

CE certified

Low power consumption

Protective thickened shell with dustproof, moisture-proof, and shock-resistant design

Clear interface layout for easy operation and connection

Quick and intelligent measurement with multiple range options