Kyoritsu kew 8112 bnc clip on ammeter adaptor kyoritsu kew 8112bnc p the kyoritsu kew 8112 is a bnc clamp on ammeter adaptor that has been specially developed for use with an oscilloscope it allows the current curves to be displayed very accurately on an oscilloscope the adaptor has a bnc plug at the signal output which can be directly attached with the oscilloscope p p the kyoritsu adaptor can measure currents from 0 1ma to 120a in conjunction with a conventional multimeter with an in