Professional Grade Clamp Ground Resistance Tester, Earth Ground Meter with Current Measurement, Data Storage, Alarm for Power Systems, Telecom and Industrial Use 0.01-500Ω
🔧 Accurate Ground Resistance & Current Measurement. This clamp-on ground resistance tester measures resistance from 0.01Ω to 500Ω and AC current up to 20A (DY3000A) with high precision. Ideal for grounding system diagnostics in power, telecom, and lightning protection applications.
⚡ Non-Contact Clamp Design for Safe & Easy Use. No need to disconnect ground leads or use auxiliary rods. Simply clamp around the ground conductor or test wire for quick, safe, and reliable measurements—perfect for both multi-point and single-point grounding systems.
Data Storage & Adjustable Alarm Function. Store up to 99 groups of measurement data for later review. Set custom alarm thresholds for resistance or current, and receive visual alerts when values exceed limits—ideal for routine inspections and troubleshooting.
Versatile Field Applications. Suitable for measuring tower grounding, transformer neutral points, substation grounding, telecom room grounding, and building lightning protection systems. Also supports two-point and three-point methods for isolated grounding electrodes.
🔋 User-Friendly Design with Auto Power-Off. Features a clear LCD display with symbols for battery status, data lock, clamp opening, and more. Auto power-off after 5 minutes conserves battery life, and the included test ring allows for quick functional verification.
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