Overview The i400s is compatible with any instrument capable of ac millivolt measurements. It can accept a standard BNC connector, and has an input impedance of greater than or equal to 1 M e in parallel with a maximum of 47 pF. The Current Clamp can also be used with digital multimeters using a BNC-to-banana jack adapter. Features Companion to your scope or power quality meter to measure up to 400 A AC. Only current clamp available with a CAT IV 600 V / CAT III 1000 V safety rating. Specially designed to offer maximum utility in a compact shape. Take accurate current readings without breaking the circuit. Soft non-slippery overmold handle. Optional PM9081/001 BNC/Banana adapter for DMM's. Two ranges: 40 A & 400 A, 10 & 1 mV/Amp output. Max. conductor Ø 32 mm. Applications Sensing & Instrumentation, Metering, Test & Measurement