METRISO 5024, carry case, spare fuse, instruction manual. METRISO 5024 insulation testing device. Analogue insulation measuring device, low-impedance measuring device and voltmeter with beeper in one device Quick measurements in accordance with VDE 0413 part 1 / 2 / 4 Insulation measurements with measuring voltages of 100, 250, 500 V Low-impedance measurements of earth wire and potential wire resistance, continuity Beeper and flashing LED as alarm for faulty or implausible measurements Fluctuating indicator as final indicator of warning functions