Rigid clamp with wide jaws up to 1000A DC HT Instruments HP30D1 DC Wide Transducers Clamp Meter up to 1000A Rigid clamp with wide jaws up to 1000A DC DC current measurement with 1000A range. Maximum output signal: 1VDC. Output ratio: 1mV/A. Manual zeroing with trimmer. Test charging battery with LED indication. Output connector type Hypertac. Instrument Description LEGEND: Arrow which shows the current reference direction ZERO adjustment thumbwhee Red LED indicator ON/OFF and battery test selector Indicate the limits of safe area for handling the clamp Standards EMC 2004/108/CE Directive CE MARK LVD 2006/95/CE Directive.