Extech GRT300 Earth Ground Resistance Tester
Request a quote
Extech GRT300 is a 4-wire earth ground resistance tester with 2000 Ohm range, LCD display, and includes test leads, earth bars, and carrying case.
Product details
| Model | GRT300 |
| Manufacturer | Extech |
| Category | Ground Resistance Testers |
| Availability | Made to order |
Description
Overview
The Extech GRT300 is a professional-grade earth ground resistance tester designed for measuring ground resistance in electrical systems. It supports 4-wire, 3-wire, and 2-wire testing methods with measurement ranges from 2 to 2000 Ohms, making it suitable for electrical safety inspections and maintenance in industrial, commercial, and residential applications.
Key Features
- Measures earth ground resistance in 4 ranges from 2 to 2000 Ohms
- 4-wire, 3-wire, and 2-wire testing capability
- Large dual-line LCD display for easy reading
- Automatic current (I) and potential (P) spike check
- Test Hold function for convenient operation
- Autoranging with automatic zero adjustment
- Data Hold function for capturing measurements
- AC earth voltage measurement
- Overrange and low battery indication
- Auto power-off function
Included Accessories
- Test leads with alligator clips
- 4 auxiliary earth bars
- Hard carrying case
- Eight 1.5V AA batteries
Specifications
Request a quote
Extech GRT300 Earth Ground Resistance Tester
Response within 24 hours
No obligation
Direct communication