The Megger BM120 series of Digital Insulation and Continuity Testers offers a cost efferctive solution to testing where only basic test facilities are required. Instruments are available with single insulation test voltages of 500 Vd.c. or 1000 Vd.c. and test results are displayed on a clear 3-digit autoranging LCD. Full rated test voltage is produced when supplying up to 1mA load.