Hioki current sensors are best-in-class devices for use with power meters, PQAs and Memory HiCorders. The CT9667 series are flexible Rogowski type AC sensors comprising of 3 different models in various loop diameter sizes from 100 mm to 254 mm. The 100 mm and 180 mm diameter sensor also feature extra thin cables for easier looping around complicated wiring. All 3 sensors 500 A/5000 A ranges, making them ideal for measuring large load current.