LEM model LF1005-S Sensor. Closed loop (compensated) 1000A current transducer using the Hall effect. For the electronic measurement of currents: DC, AC, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). New/Surplus. For illustrative purposes we have included a photo showing a full box of 6 units (price is per 1 unit). To view a full specification sheet (PDF), click here.