1.DY4100 Digital Ground Resistance Tester can test earth resistance of various earth systems including power systems, electric equipments, lightning conductors as well as resistance value of low resistance conductor and AC voltage test.

2.This one has more complete functions, higher accuracy, more convenient and reliable for operation and more suitable for outdoor use with dust and wet proof structure.

DUOYI DY4100 Feature:

1. Measuring range of earth resistance: 0-2000Ω. 0/20/200/2000 ohm ±(2%+3)with 0.01 ohm
2. Measuring range of earth voltage: 0-30V(3%+5)
3.LED green light indicates normal operating mode.
4.31/2 digit LCD display for more direct and convenient reading.
5. Low Battery Warning:
on LCD indicates deficiency of 12V battery.
LED red lighting off indicates deficiency of 1.5V battery.
6. Fast Response:
measure earth resistance, about 5 seconds. Measure earth voltage, about 2 seconds.
7.Withstand voltage: AC 500V, 1 minute between circuit and outer casing.
8. Overload protection:
on earth voltage, can withstand 300V AC 1 minute .
on earth resistance, can withstand 200V AC 10 seconds .
9. Power supply,six 1.5V AA batteries ,one 12V battery 23A.(not include)
10.Data Hold:yes
11.Working LED Indicator:yes
12.Function Symbol Display:yes

Package includes:

1 x Set of DY4100 Digital Earth Ground Resistance Tester