Adapter enabling automatic measurements of the insulation resistance of 3-, 4-, and 5-core cables. It is equipped with crocodile clips. Measurement up to 1kV. The AutoISO adapter allows you to save a lot of time and thus to save money. An important advantage of the adapter is also the exclusion of human error when switching individual veins before the next measurement. Measurement category: CAT III 300V. Optional use for MPI-520, MPI-530, MPI-520Start and MPI-530-IT meters.