Dual range a.c. current clamp nominal measuring ranges 0.1A to 20A a.c. and 0.5A to 200A a.c. Safe, non intrusive current measurement 40Hz to 10kHz bandwidth Ergonomic jaw design for measurement where access is difficult and allows 'hooking' onto the cable Max. conductor size 20mm dia. or 20 x 5mm bus bar Fitted with a 2m coaxial lead and 50Ω BNC plug to suit most analogue & digital oscilloscopes Conforms to IEC1010-2-032 (safety standard) 600V Cat III