AEMC 6418 Clamp-On Ground Resistance Tester – Fast, Non-Intrusive Ground Testing

The AEMC 6418 is a clamp-on ground resistance tester designed for quick, accurate, and non-disruptive testing of ground systems. No need to disconnect ground conductors or drive auxiliary rods—just clamp around the conductor and get an immediate reading.

This instrument is ideal for electrical contractors and utility crews performing routine ground resistance checks where speed and convenience matter. With advanced filtering to reject noise and a wide measurement range, the 6418 delivers results you can trust, even in high-interference environments.

What’s Included:

• AEMC 6418 Clamp-On Ground Resistance Tester

• Calibration loop

• Carrying case

• Batteries (pre-installed)

• User manual

Key Features:

• Measures ground resistance from 0.01Ω to 1500Ω

• Ground current measurement from 0.2mA to 40A

• No need to disconnect the ground system

• Auto power-off and data hold functions

• Large backlit display for use in any lighting

• Audible alarm with user-set thresholds

• Built-in memory stores up to 300 measurements

• IP30-rated enclosure for field durability

Applications:

• Ground resistance testing on live systems

• Multi-grounded systems where disconnection isn’t practical

• Lightning protection system checks

• Industrial and utility grounding audits

• Pole-mounted transformer and service entrance inspections

Looking for other models? View all AEMC Ground Resistance Testers.