HI-Z® High Voltage AC Voltmeters
Ross Engineering Corporation’s Hi-Z® High Voltage Voltmeters are excellent for accurate capacitance voltage tap test point measuring, phasing, energized line indication, as well as direct HV line voltage measurement. The VM25 model measures very low current high source impedance voltages in three or more ranges to 25kV. The VM50 and VM100 model measures up to 50kV and 100kV respectively, in four or more ranges. HV input is high impedance, 85 megohms to over 1,000 megohms as required. The meters are partially shielded against stray electrical fields and have a 125kV, 150kV or 300kV basic impulse test level. All the models utilize a large digital or analog meter scale for accurate voltage measurement. Basic accuracy is ±.5% digital and ±3% analog.
For capacitance tap voltage test points on cable connectors and for direct HV lines in the range of 10 volts up to 100kV RMS, 50/60Hz. Optionally incorporated for higher accuracy in Ross Engineering Corporation’s proven Hi-Z® Voltmeter.
These meters are widely used for voltage sensing, accurate measurement and phasing. They can be used with capacitance tap voltage test points on cable elbows and other voltage test point terminals as well as on overhead lines. They are rated for 125kV, 150kV or 300kV PK basic impulse test level.
Specifications are for reference only and are subject to change.
Contact Ross Engineering Corp. for current information.
Ross Engineering Corporation
540 Westchester Drive, Campbell, CA 95008
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