Tektronix p6021a p6022 ac current probe tektronix p6021a the tektronix p6021a is an ac current probe that is ideal for general purpose applications the p6021a provides wide band performance with excellent low frequency characteristics bandwidth is 120hz to 60mhz the probe range is switchable between 2mamv and 10mamv tektronix p6021a clip on ammeter adaptor 358mm 60 mhz