EXTECH 4-Wire Earth Ground Resistance Tester (GRT300)
Regular price
3,500.00 SR
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The EXTECH GRT300 is a reliable 4-wire earth ground resistance tester designed to measure earth ground resistance in various applications. It features multiple testing modes and a user-friendly interface, making it suitable for both professionals and DIY enthusiasts.
Features
- Measurement Ranges: Measures earth ground resistance in four ranges: 2Ω, 20Ω, 200Ω, and 2000Ω.
- Testing Modes: Supports 4-wire, 3-wire, and 2-wire testing configurations.
- Display: Large dual line LCD for easy reading of measurements.
- Automatic Functions: Includes automatic current (I) and potential (P) spike checks, autoranging, and automatic zero adjustment.
- Data Hold Function: Allows users to freeze the displayed value for easy reading.
- Additional Features: Includes AC earth voltage measurement, overrange and low battery indication, and auto power off.
Specifications
| Specification | Details |
|---|---|
| Model No | GRT300 |
| Earth Ground Resistance | 2Ω, 20Ω, 200Ω, 2000Ω |
| Basic Accuracy | ±(2% of reading + 3 digits) |
| Max Resolution | 0.01Ω, 0.1Ω, 1Ω, 0.01kΩ |
| Earth Voltage | 0 to 300VAC (40 to 500Hz) |
| Test Current | <2mA |
| Test Frequency | 820Hz |
| Dimensions | 9.8 × 7.8 × 4.3 inches |
| Power Supply | 8 × AA (1.5V) batteries |
| Weight | 3.15 lbs (1430 g) |
| Warranty | 2 years |