F401 TRMS Clamp Multimeter. The F401 clampmeter is designed for medium-power low-voltage applications in sectors such as LV electricity production and distribution, industry, railways This clamp multimeter is also suitable for lift/elevator technicians and other lifting and transport specialists The applications for the clamp multimeter are maintenance, testing, monitoring, diagnostics and connection Equipped with a fast 12-bit TRMS digital acquisition system Automatic AC/DC detection AC and DC voltage up to 1000 V Resistance and audible continuity Min and Max analysis TrueInrush current measurement Temperature IP54 protection