The FLIR CM55/57 model Flexible Clampmeters can measure AC Current  accurately up to 3000A and can fit around bundled cables and difficult areas and with its built in worklights it can illuminate dark areas. The CM55 has a 25.4cm loop length while the CM57 is 45.72cm..

    They can also come just as a Clamp accessory that plugs into your digital multimeter or clampmeter to read directly from the scren.