Description

Captures volts/amps/hertz, power, Harmonics, sags & swells, Transients, and inrush

Features

Litewires employ the Amp and Volt LiteWires, which transfer distribution voltage and current waveforms down to ground level through fiber-optic cables. The ammeter with a fiber optic link between the high voltage sensor and the readout at ground potential. The sensor is mounted on a hot stick and slipped over a high voltage line. The instrument has no moving parts and does not require clamping onto the wire. The cases are water resistant and will withstand high physical impact.

The Volt LiteWire measures voltage phase to phase or phase to ground. It is a two-piece, True RMS voltmeter with a fiber optic link between the high voltage sensor and the readout at ground potential. The sensor is mounted on a hotstick and slipped onto a medium voltage line. The cases are water resistant and will withstand high physical impact.

The analog output is the unique feature of this instrument. It is a reproduction of the high voltage current waveform, accurate to approximately the 41st harmonic, but available as a 0-2 volt AC signal at ground. This allows the use of many sophisticated low voltage instruments, such as scopes, waveform acquisition recorders, analyzers, and other analysis instruments which would previously not be usable at high voltage.

The fiber optic cable is physically rugged, while providing the high speed data path required for digital waveform transmission from the sensor to the display unit. It also is the high voltage insulator between the two units and is tested to provide 100 kV-isolation per foot, which is well above the rating of the meter.

Specifications

Application

• Determine the directional flow of current harmonics
• Analyze resonating capacitor banks
• Find faulty insulators and other EMI noise
• Find repetitive or intermittent arcing loads