MEASUREMENT VOLTAGE INCLUDES 20V/48V TWO TYPE CHOICES. 2 POLE /3POLE/4POLE EARTH RESISTANCE MEASUREMENT CRRENT CLAMPS

AUTOMATIC FREQUENCY CONTROL IS USED TO INDENTIFY INTERFRENCE FREQUENCY AND SELECT THE PROPER ONE TO REDUCE THE INFLUENCE OF INTERFACE VOLTAGE

 DATA LOGGING UP TO 100GROUPS AND USB INTERFACE TO PC

ADVANCED EARTH RESISTANCE TESTER