Megger DET14C and DET24C – Earth Resistance Clamp Testers

• Clamp-on earth resistance testing with no need to disconnect ground conductors
• Measures 0.05 Ω to 1500 Ω resistance and leakage current up to 35 A
• 37 mm jaw opening suits a wide range of grounding conductors
• Bright OLED display for clear readings in indoor and outdoor conditions
• Rugged IP54 construction for dependable field use
• DET24C model adds Bluetooth connectivity and onboard data storage

The Megger DET14C and DET24C Earth Resistance Clamp Testers offer a smart and efficient way to check grounding systems without interrupting service. Their clamp-on design allows technicians to take measurements quickly while the installation remains energised, saving time in busy field environments. The generous 37 mm jaw opening fits comfortably around most grounding conductors, making the instrument suitable for many installations. A crisp OLED display keeps readings easy to see, whether working in bright sunlight or low-light conditions. These testers measure both ground resistance and leakage current, giving users valuable insight into grounding performance. Built with durable IP54 protection, they are ready for demanding site work. The DET24C also introduces Bluetooth connectivity and internal memory, making it simple to store results and transfer data when needed.