Megger DET14C and DET24C Earth Resistance Clamp Testers

Megger DET14C and DET24C Earth Resistance Clamp Testers

  • Measurements: Ground resistance (0.05-1500 Ω, ±1.5-35% ±2-10 digits), true RMS ground leakage current (0.5 mA-35 A rms, ±2.5% ±2 digits), clamp head accommodates 37 mm cable/50 mm tape. 
  • Functionality: Induces test current for multi-ground resistance measurement without disconnection, noise immunity filter, true RMS AC current, data logging/Bluetooth (DET24C). 
  • Design: Elliptical clamp (39 x 55 mm jaw), portable (248 x 114 x 49 mm, 985 g), IP30-rated, 2x AA batteries (24 hours), operates -20°C to 50°C. 
  • User-Friendly: Flat jaw interface, backlit LCD, simple operation, auto-off, compatible with PowerDB Lite (DET24C). 
  • Complete Kit: DET14C/DET24C clamp, calibration check loop, batteries, user guide, carry case; optional RS232 cable (DET24C); no warranty specified.

The Megger DET14C and DET24C Digital Earth Clamps are portable tools for clamp-on ground resistance (0.05-1500 Ω) and true RMS leakage current (0.5 mA-35 A rms) measurements in multi-ground systems without disconnection, featuring an elliptical clamp for access to cables up to 37 mm and tapes up to 50 mm.

They offer noise immunity, market-leading accuracy, and CAT IV 600 V safety, with the DET24C adding data logging and Bluetooth. The compact, IP30-rated units (985 g) use 2x AA batteries for 24 hours and operate in -20°C to 50°C.

The kit includes the clamp, calibration loop, batteries, guide, and carry case, with no warranty specified, ideal for safe and efficient ground testing in utility and industrial settings.