The ER-80M is a professional 4-terminal earth and soil resistivity tester with manual range selection. IP54 housing, ART support, interference voltage measurement, Rk compensation and 999-set USB storage for comprehensive grounding system assessment.
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
ρ Range
0.06~1999 kΩ.m (ρ = 2πaRg)
Interference Voltage
Range
50.0V · Acc ±(2%+2dgt) · Freq 16~500 Hz
General
Wire Test
2 / 3 / 4 Wire (manual)
Test Frequency
94/105/111/128 Hz (manual)
Open Terminal Voltage
≤48 Vrms
Display
FSTN LCD 102×86.6mm · LED backlight
Safety Standard
EN 61010-1:2010 CAT III 300V · EN 61326
Physical
Dimensions
270 × 190 × 80 mm
Weight
~1700 g (with battery)
Battery
8 × 1.5V R14SG (Type C)
Accessories
Cables ×4 · Ground Rods ×4 · Carry Case
Certifications
