The Instaltest AT is a versatile and easy to use installation tester according EN 61010-1 and EN 61557. In this installation tester Autotest is integrated. A simple push on the button displays an organized program showing which tests are run automatically. The results are immediately stored and transported to the software where they will be transformed into a certificate. Available measurements including insulation resistance, RCD testing, impedance testing (Z-loop and Z-line) and earth resistance.