---
title: "Greenlee Ground Resistance Tester - CMGRT-100A from Acme Tools"
description: "View Greenlee Ground Resistance Tester - CMGRT-100A from Acme Tools on Refermate."
canonical_url: "https://refermate.com/store/acme-tools/product/greenlee-ground-resistance-tester-cmgrt-100a-4013269"
md_url: "https://refermate.com/store/acme-tools/product/greenlee-ground-resistance-tester-cmgrt-100a-4013269"
---
# Greenlee Ground Resistance Tester - CMGRT-100A

- URL: https://refermate.com/store/acme-tools/product/greenlee-ground-resistance-tester-cmgrt-100a-4013269
- Store: Acme Tools
- Store products page: https://refermate.com/store/acme-tools/products
- Brand: Greenlee

## Description

Greenlee's Ground Rod Tester (CMGRT-100A) measures grounding circuit performance without disrupting service. It reads ground resistance down to 0.10 Ω and is fully auto-ranging with data hold to capture readings. Accessories included: molded carrying case, 9V alkaline battery, and calibration verification loop. Impedance function capable of testing 4 separate frequencies (50Hz, 60Hz, 128Hz, & 2083Hz). Widest operating temperature range (-4 to 131°F) in the industry. Greenlee: Professional. Nothing Less.

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