... adopting the latest digit Ⅰ. Introduction ETCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting ... accurate for earth ground resistance measurement.7.Display Mode 4-digital super-large LCD display, blue screen backlight,8 ... the fuction of Data Storage,Data Hold, Overflow Display,Alarm Function.17. Electromagnetic Features IEC61010-4-3,Wireless ...