Clamp-On Digital Ground Resistance Meter 1.Range:0.01-1200ohm 2.Resolution:0.001ohm 3.Stored data:99 group,Upload data RS232 ETCR2000+ Clamp-On Digital Ground Resistance Meter Our buyers have stayed with us for 11years12 years of specialized metersISO Patent and CE certificate OEM services availableMore information, please kindly view our web site: http://www.etcr.cc/en/Online store: http://www. ...