The F-75B has the advantage of being equipped with a large aperture of 70
mm, making it ideal for large cable bundles. The F-75B can be used to measure
pulse currents up to 100 amperes in magnitude with 800 picosecond risetime
and pulse widths of 40 nanoseconds. It can operate up to 200 amperes of DC
– 400 Hz, 10 amperes of CW, and 100 amperes of peak pulse current.