CAT III 1000 V, 500A AC/DC rated current, DC to 100kHz response, core dia. 36 mm (1.42 in), cord length 3 m (9.84 ft). Hioki pull-through AC/DC current sensors are best-in-class devices for use with power meters, Memory HiCorders and high performance oscilloscopes. The 970910 is a DC to 100kHz/500A sensor, ideal for capturing current signals from switching power supplies, inverters, power conditioners, etc.