The KPS MA500 Insulation Tester is a versatile tool with a number of useful features. It is capable of generating test voltages from 250 V up to 5 KV, with the option to preset specific voltages or use 25 V or 100 V increments. The tester also performs insulation diagnostics, https://thepcatech.com/product/kps-ma500-insulation-tester/