Adapter for connecting 4 wires for ground measurement The adapter is plugged onto the test plug - this can then be used to connect the earth electrode, auxiliary earth electrode, probe and auxiliary probe to the test instrument via the banana sockets. The adapter is only suitable for PROFITEST MASTER type MPRO and MXTRA instruments. The delivery time can take up to 14 business days. https://elecena.pl/product/20835266/z501s-adapter-pro-re-for-installation-testers 2022-05-16 https://elecena.pl/product/20835266/z501s-adapter-pro-re-for-installation-testers 2022-06-08 https://elecena.pl/product/20835266/z501s-adapter-pro-re-for-installation-testers 2024-04-02 https://elecena.pl/product/20835266/z501s-adapter-pro-re-for-installation-testers 2026-10-01