AC/DC - clamp current meter up to 40 A. The clamp current meter METRACLIP 41 is used for the precise, contactless measurement of AC and DC currents as well as complex current forms. Ideal for automotive engineering, manufacturing, service and for 4...20 mA in industry. True RMS display 1 mA / 10 mA resolution Automatic measuring range selection Automatic zero adjustment Automatic switch-off Hold measured values Clamp opening 25 mm METRACLIP 41: Exact current measurement from 5 mA to 40 A METRACLIP 410: Exact current measurement from 100 mA to 400 A . 1 x AC / DC clamp current meter 1 x 9 V alkaline battery 1 x operating instructions