美国Extech 382357型钳形接地电阻测试仪

382357: Clamp-on Ground Resistance Tester
Non-contact measurements of ground conductors without need for auxiliary ground spikes
Features:
■Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution
■True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution
■Programmable Datalogging with 116 data points
■Programmable Hi/Lo Alarm
■0.9" (23mm) Jaw size for large ground rods