Supply Of Digital Earth Resistance Tester With Earth Testing Kit Specification Method Of Resistance 4 Pole, Counts 4000 Measurable Earth Resistance- Range Selection Through A Switch, Display Type 3.1 / 2 Digit Lcd Display, Material Of Stacks - M.S Spikes, Length Of Stakes-18 Inch, Diameter Of The Stakes - 0.5 Inch, Number Of The Test Leads-2, Length Of The Test Lead 20 Foot, Number Of Test Leads With Clamp-2, Internal Memory 0 No. External Memory- Through Usb, Interface- Usb, Minimum Open Circuit Output Voltage-110V, Over Range Indication-Available, Number Of Measurable Range-2, Measurable Range ( Ohm ) -0.01 To 19.99, 1 To 1999, Measurable Earth Resistance Resolution ( Ohm ) - 0.01, Measurable Earth Resistance Accuracy + / -6% + / -1 Count, Weight Of The Tester- 575 Gm.Dimension ( Cm X Cm X Cm ) - 175 X 98 X 98, Type Of Battery- Ni-Mh, Voltage Of Rechargeable Battery 10 Volt, Capacity Of The Rechargeable Battery- 8000, Battery Backup Time- 8 Hours [ Warranty Period: 30 Months After The Date Of Delivery ]