Specification :

Digital Earth tester 4100

Ground resistance measurements from 0.01© to 2000© with 0.01© resolution
Complete with test leads, auxiliary earth bars, heavy duty case
Earth Ground Resistance 0/ 20/ 200/ 2000© ± ( 2% + 3)
Earth Voltage 0~ 30V ± ( 3% + 5)
Resolution 0.01©
Data hold/ Low Battery Warning yes
LED Indicator yes
LCD Background Light yes