Abstract: A system for measuring phase attributes of high voltage electrical lines comprises first and second high voltage probes. Each of the probes comprises a sensing element for selectively measuring voltage of a high voltage electrical line, a processing device for detecting zero crossings of the measured voltage and applying a time tag to the zero crossings, and storing samples of the amplitude and time tagged zero crossings. A transceiver transmits storage samples. A user interface device is remote from the first and second high voltage probes and comprises a transceiver for receiving transmitted storage samples. A memory stores received samples of the time tagged zero crossings for the first and second high voltage electrical lines. A processor is operatively associated with the memory for determining phase relationships between the first and second high voltage electrical lines. A display displays the phase relationships.

Abstract: A high voltage phasing voltmeter comprises first and second probes. Each probe comprises an insulated handheld shield supporting an electrode for contacting a high voltage electrical conductor. The electrode is connected in series with a resistor and a capacitor. A meter comprises a housing enclosing an electrical circuit for measuring phasing voltage. The electrical circuit comprises an input circuit for connection to the first and second probes and an amplifier connected between the input circuit and a display. The amplifier measures voltage across the electrodes to provide an indication on the display.

Abstract: A high voltage phasing voltmeter comprises first and second probes. Each probe comprises an insulated handheld shield supporting an electrode for contacting a high voltage electrical conductor. The electrode is connected in series with a resistor and a capacitor. A meter comprises a housing enclosing an electrical circuit for measuring phasing voltage. The electrical circuit comprises an input circuit for connection to the first and second probes and an amplifier connected between the input circuit and a display. The amplifier measures voltage across the electrodes to provide an indication on the display.