Item #DET3TC, Three-Terminal Ground Resistance Testers - Megger
The MEGGER® DET3TD is a digital tester with an expanded resistance range and selectable 25/50V test voltage. It rejects noise up to 40V p-p and measures earth voltages up to 100V. The DET3TC adds an ART (Attached Rod Technique) resistance measurement and earth current measurements from 0.5mA to 19.9A with the optional current clamp.
All DET3 and DET4 models are CAT IV 100V and IP54 rated. Test leads and carrying case are included.
Attached Rod Technique (ART) requires optional current measuring clamp.