MN93 clamp AC - accessory for Qualistar C.A 8331 / C.A 8333 / C.A 8336 or PEL 102 / PEL 103. A compact, ergonomic clamp for measuring alternating currents. The MN Series is a range of versatile transformer clamps for measuring alternating currents compatible with your power analyser. His automatic recognition by the instrument simplify the use.