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Megohmmeter 0–2000Ω Real Digital Earth Tester DY4100 Ground Resistance Tester Meter
The DY4100 Digital Earth Resistance Tester is a professional instrument designed to accurately measure earth (ground) resistance and earth voltage for electrical installations. With a measurement range of 0.01Ω to 2000Ω, high accuracy, and a compact handheld design, it is ideal for electricians, maintenance engineers, power utilities, telecommunications, lightning protection systems, and industrial applications. The tester features a large digital display, data hold, low battery warning, and rugged construction suitable for outdoor use.
Key Features
- Measures earth resistance from 0.01Ω to 2000Ω
- Earth voltage measurement up to 30V AC
- High-resolution digital LCD display
- 0.01Ω measurement resolution
- Data Hold function
- Working LED indicator
- Function symbol display
- Low battery warning indicator
- Compact handheld design for field testing
- Dust and moisture resistant construction
- Suitable for electrical grounding, lightning protection, and industrial maintenance
- CE Certified
Specifications
| Specification | Details |
|---|---|
| Model | DY4100 |
| Product Type | Digital Earth Resistance Tester |
| Display | Digital LCD |
| Earth Resistance Range | 0.01Ω – 2000Ω |
| Resistance Accuracy | ±(2% + 3 digits) |
| Earth Voltage Range | 0 – 30V AC |
| Earth Voltage Accuracy | ±(3% + 5 digits) |
| Resolution | 0.01Ω |
| Data Hold | Yes |
| Working LED Indicator | Yes |
| Function Symbol Display | Yes |
| Low Battery Warning | Yes |
| Power Supply | 6 × AA 1.5V Batteries (Not Included) |
| Dimensions | 150 × 100 × 70 mm |
| Net Weight | Approx. 680 g |
| Certification | CE |
| Origin | Mainland China |
Package Contents
- 1 × DY4100 Digital Earth Resistance Tester
- Test Leads
- Auxiliary Earth Bars (Ground Stakes)
- User Manual
- 6 × AA Batteries Not Included
Applications
- Electrical Grounding System Inspection
- Power Distribution Maintenance
- Lightning Protection System Testing
- Industrial Equipment Ground Testing
- Telecommunication Ground Verification
- Building Earthing Installation
- Electrical Safety Inspections
- Outdoor Field Maintenance









- Availability: 100 In Stock
- Model: DY4100
- Manufacturer: UNI-T