DescriptionThei400s(hereaftercalled CurrentClamp )iscompatiblewithanyinstrumentcapableofacmillivoltmeasurements.ItcanacceptastandardBNCconnector,andhasaninputimpedanceofgreaterthanorequalto1M inparallelwithamaximumof47pF.TheCurrentClampcanalsobeusedwithdigitalmultimetersusingaBNC-to-bananajackadapter.