The ER-80A is the auto-ranging version of the ER-80 series — automatically selecting the optimal range from 0.03Ω to 20kΩ. Preferred for comprehensive ground system commissioning with soil resistivity, 999-set storage and USB download.
Earth Resistance
Range 1
0.030~1.999Ω · Res 0.001Ω · Acc ±(3%+5dgt)
Range 2
2.00~19.99Ω · Res 0.01Ω · Acc ±(2%+3dgt)
Range 3
20.0~199.9Ω · Res 0.1Ω · Acc ±(2%+3dgt)
Range 4
200~999Ω · Res 1Ω · Acc ±(2%+3dgt)
Range 5
1.000~19.99kΩ · Res 0.001kΩ · Acc ±(2%+3dgt)
Soil Resistivity
Interference Voltage
Range
50.0V · Acc ±(2%+2dgt) · Freq 16~500 Hz
General
Wire Test
2 / 3 / 4 Wire (auto)
Test Frequency
94/105/111/128 Hz (AFC)
Open Terminal Voltage
≤48 Vrms
Display
FSTN 102×86.6mm · LED backlight
Safety Standard
EN 61010-1:2010 CAT III 300V · EN 61326-1:2013
Physical
Dimensions
270 × 190 × 80 mm
Weight
~1700 g (with battery)
Battery
8 × 1.5V R14SG (Type C)
Accessories
Banana Plug+Alligator Cables ×4 · Ground Rods ×4 · Case
Certifications
