Earth Clamp Meter 🔌 Model: Smart Sensor ST4800 📦 Condition: New 🧰 Includes: Carrying bag + User manual + Calibration loop ✨ Features: * Measure earth resistance without needing to disconnect the circuit * High accuracy and fast results * Clear digital screen with backlight * Reading hold function (HOLD) * Practical and easy-to-use design * Suitable for engineers, technicians, and electrical work * Comes with calibration loops (1Ω and 10Ω) to adjust accuracy Uses: * Inspecting grounding systems * Electrical maintenance * Ensuring the safety of ground connections