Portable Digital Earth Ground Resistance and Insulation Resistance Tester for Electrical Safety Testing
The Portable Digital Earth Ground Resistance and Insulation Resistance Tester is a multifunction electrical testing instrument designed for measuring grounding resistance, insulation resistance, and electrical safety parameters in power systems, substations, industrial facilities, telecommunications networks, and renewable energy installations.
Featuring advanced digital technology, high measurement accuracy, and user-friendly operation, this tester provides reliable data for preventive maintenance, commissioning, and troubleshooting of electrical grounding and insulation systems. Its compact and portable design makes it ideal for both field and laboratory applications.
- Dual Function Design – Ground Resistance & Insulation Resistance Testing
- High Accuracy Digital Measurement Technology
- Large LCD Display with Clear Readings
- Automatic Range Selection
- Data Hold and Memory Storage Function
- Low Power Consumption with Battery Operation
- Strong Anti-Interference Performance
- Portable and Lightweight for Field Use
- Suitable for Substations, Power Plants, and Industrial Facilities
- Compliance with International Electrical Safety Standards
| Parameter | Specification |
|---|---|
| Ground Resistance Range | 0.01Ω – 2000Ω |
| Insulation Resistance Range | 0.1MΩ – 20GΩ |
| Test Voltage | 250V / 500V / 1000V |
| Measurement Accuracy | ±2% RDG |
| Display | Large Digital LCD |
| Power Supply | Rechargeable Battery |
| Operating Temperature | -10°C ~ +50°C |
| Data Storage | Available |
| Protection Class | IP54 |
The instrument accurately evaluates grounding system performance, helping engineers ensure personnel safety and equipment protection.
Multiple test voltage outputs allow comprehensive insulation assessment for cables, transformers, motors, switchgear, and other electrical equipment.
The lightweight design and battery-powered operation enable convenient testing in remote locations and outdoor environments.
Built-in protection functions prevent damage caused by overload, short circuits, and incorrect connections during testing.
The tester is widely used for:
- Power Utility Maintenance
- Electrical Installation Testing
- Transformer Grounding System Inspection
- Substation Ground Grid Testing
- Industrial Equipment Maintenance
- Telecommunications Grounding Verification
- Solar Power System Grounding Tests
- Wind Farm Earthing System Inspection
- Building Electrical Safety Assessment
- Railway and Transportation Electrical Systems
A: Sansion Power Electric Co., Ltd. is an industrial and trade enterprise, with its own factory, self-produced and self-sold. We were founded in 2005 and have twenty years of production experience. Our company has reliable production lines, test rooms and R&D centers.
A: After the goods have been ordered, we can be made to order according to the special requirements of customers by using the latest technology. The delivery time is usually within 10 working days if there are no accidents.
A: In order to ensure quality, we use imported components in large quantities. After three times of quality inspection, the goods can be sent out, and the export is uniformly packed in non-fumigation wooden boxes.
A:We offer free consulting service, one year warranty, and adopt various methods such as email communication, video calls, technology door-to-door, aiming to solve any after-sales problems in a timely manner.
A: Products have been successfully exported to the United States, French ,Brazil, Australia, Spain, Portugal , Oman ,Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia and other countries and regions.
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