Hantek CC-65 CC-650 20KHz/400Hz AC/DC Current Clamp for Oscilloscope Bandwidth
With a frequency uo to 400Hz. ±(6%±30mA)100mA~10A(10KHz~20KHz);. ±(8%±30mA)10A~15A(40Hz~20KHz). ±(8%±0.3A)40A~65A(40Hz~20KHz). If connect to an oscilloscope by BNC type connector, you're able to observe the current waveforms.