MI3123Grounding resistance tester

Main features of MI3123 grounding resistance tester:
All methods including grounding resistance testing: standard four wire method, selected electrode method, double clamp method, soil resistivity measurement
Clamp type current measurement function, range 0-20A, resolution 0.1mA
Strong anti-interference ability
Pre programmed limit, pass/fail (PASS/FAIL) evaluation of measurement results
Green/red indicators provide intuitive evaluation of measurement results
Suitable for CAT IV device acceptance
The built-in magnet can fix the instrument on iron materials
Built in charger
Can store 1900 measurement results
USB/RS232 communication interface, compatible with PCSW software
Sturdy and exquisite instrument appearance design
Compliant with standards: IEC/EN 61557-1, 5, 10, IEC/EN 61010-1, IEC/EN 61326,
Technical specifications of MI3123 grounding resistance tester:

Four line method/selective electrode method measurement

Automatic testing of grounding resistance for grounding piles and interference in voltage signals
Test voltage (open circuit) 40V Test frequency 125Hz
Maximum test current 20mA, current clamp test current too low indication
Excessive interference indication in current signal
MI3123 Grounding Resistance Tester Double Clamp Method for Measuring Grounding Resistance

Measurement range (W)	Resolution (W)	precision
0.00-19.99	0.01	3% reading+3 digits
20.0-199.9	0.1	3% reading+3 digits
200-1999	1	5% reading
2000-9999	1	10% reading

Test frequency 125Hz, interference indication, low current indication

Measurement range (Wm)	Resolution (Wm)	precision
0.0-99.9	0.1	Soil resistivity is a calculated value, and the accuracy refers to the precision of measuring grounding resistance using the four line method
100-999	1
1.00k-99.9k	0.01k
10.0k-99.9k	0.1k
>100k	1k