Overview
The Tentech TM-25R is a specialized ground resistance tester engineered for the precise measurement of earth resistance in electricity pylons and transmission towers. Operating at a high frequency of 25 kHz, this instrument effectively minimizes the influence of adjacent towers connected by guard cables, providing accurate readings up to 300 Ω. Its advanced design allows for safe and efficient testing without the need to disconnect ground wires, making it an indispensable tool for maintaining the integrity of power transmission systems.
Key Features & Highlights
- High-Frequency Measurement (25 kHz): Reduces the impact of adjacent towers, ensuring accurate readings of the surveyed tower’s grounding resistance.
- Automatic Current Injection: Automatically adjusts the injected current to a predetermined value, simplifying the testing process.
- Built-in Memory and Printer: Store measurement data and print results directly in the field for immediate documentation.
- Bluetooth Interface: Remote control via tablet using the TENTECH app, allowing for photo capture of towers, GPS coordinates, and voice comments.
- Rechargeable Battery: Powered by a built-in rechargeable battery with a universal charger, ensuring portability and continuous operation.
- Rugged Design: Built to withstand harsh weather and geographical conditions, ideal for tropical and high-mountain environments.
Applications
The TM-25R is specifically designed for testing the grounding quality of power transmission towers. It is essential for utility companies and maintenance crews to ensure the safety and reliability of electrical power transmission. By providing accurate measurements without disconnecting ground wires, it minimizes operational risks and downtime, making it the preferred choice for field engineers and technicians working on live transmission lines.
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