Multi-function electrical installation tester
MI 3125B METREL

MI 3125B is a lightweight, easy to use multifunctional installation safety tester. The ability to test B-type (DC sensitive) RCDs, integrated characteristics of fuses and RCDs, help screens, bright LEDs for PASS / FAIL evaluation of test results, online voltage monitor, compatibility with the PC SW EuroLink PRO are just some of distinctive features of the MI 3125B.

Measuring Functions

Insulation resistance with DC voltage
Continuity of PE conductors with 200 mA test current with polarity change
Continuity of PE conductors with 7 mA test current (continuous measurement) without RCD tripping
Line impedance
Loop impedance
Loop impedance with Trip Lock RCD function
TRMS voltage and frequency
Phase sequence
RCD testing (general and selective, type AC, A and B)
Earth resistance (3-wire method).