TEST INSTRUMENTS Phone: 800•438•0671 AMMETER HD Electric HALO II® High Voltage Digital Ammeter is for use on power distribution systems designed to take True RMS AC current measurements. Its open-core design allows the user to quickly hook it over a conductor from the end of a hotstick and obtain a current reading in amperes. The HALO can be used to take spot load measurements on a single phase, as well as take readings on all three phases to determine load balance. The HALO II includes the peakhold mode and also a tracking mode that allows the user to view continuous changes on the display. The unit can be used on any voltage up to 69kV system voltages. Fork-style sensing head. The HALO can be used over insulated cable. However, it cannot be used over shielded cable, such as the concentric neutral. High Voltage Ammeter Features: • For use on voltages up to 69kV class (40kV line-to-ground) • True RMS reading instrument • 0-2000 amp auto-ranging LCD display • Track and peak-hold modes available • Hook or fork style sensing heads • Universal spline for standard hotstick attachment • Powered by a field replaceable 9V alkaline battery • Auto shut-off HD-9391 High Voltage Digital Ammeter HD-9391 BI-ST800 339
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