... currents: DC, AC, pulsed, etc。2. Very good linearity, Low temperature drift, Optimized response time, No insertion losses, Current overload capability ... .6. Extremely wide measuring range。7. Closed-loop(compensated) testing ,High response speed (<1uS),Wideband (0-200KHz), can be ... , power supplies, welding machines, inverter, and so on .Low prices, high quality KA100/SP1 Hall Current Transducer