Benning CC 1 AC current clamp adapter. Digital display via multimeter. Current measuring range/AC 1 A - 400 A. Current type alternating current. Output 1 mV/ 1 A. Extends the alternating current range of analog and digital multimeters up to 400 A. Manual/automatic measuring range selection via multimeter. Clamp opening 30 mm. Designed as an adapter for connecting to multimeter. Measuring circuit category Cat III. Max. voltage measuring circuit category 300 V. Includes case, permanently connected measuring leads.