Versatile, yet easy to use, the Sonel MPI-520 multifunctional meter of electrical installation parameters flawlessly performs its tasks in performing measurements of electrical installation parameters. The instrument has been created to meet the needs of installers as well as measurers. Intuitive operation will allow beginners to use the device, while advanced measurement capabilities will meet the expectations of the most demanding specialists. Economical and versatile, the Sonel MPI-520 meter is a proven choice for users who are looking for an easy-to-use, precise instrument that combines the functions of several electric shock measurement devices. With the help of a single meter you can measure the impedance of a short-circuit loop (also in circuits with RCDs), measure the resistance to ground, as well as test the parameters of residual current devices (RCDs) type AC, A and B. Extended capabilities, precision of measurements and the use of pioneering solutions, combined with a favorable price, make this meter model a proven and reliable choice.