EA Technology's UltraTEV Plus+ combines all the functionality of the UltraTEV Detector with many new features for investigating and understanding partial-discharge (PD) activity in medium-voltage and high-voltage switchgear in greater detail.
EA Technology's UltraTEV Plus+ combines all the functionality of the UltraTEV Detector with many new features for investigating and understanding partial-discharge (PD) activity in medium-voltage and high-voltage switchgear in greater detail.
Like the Detector, the UltraTEV Plus+ measures PD activity in the form of ultrasonic and transient earth-voltage (TEV) signals, but provides operators with considerably more comprehensive information about emission levels. Ultrasonic emissions are displayed as decibel readings as well as being converted into audible signals, which can be heard through the headphones supplied. TEV signals appear on the menu-driven color LCD screen as numerical values, as a bar graph and as a green-amber-red indication.
An optional plug-in microphone is available to investigate PD activity in hard-to-reach areas, as well as an optional UltraDish parabolic waveform concentrator to listen to activity in overhead assets and at a distance. The ability of the UltraTEV Plus+ to display the number of PD pulses per cycle, severity and maximum levels for internal discharges, in addition to displaying ultrasonic emissions numerically for surface discharges, provides information that is vital for deciding on a course of action. EA Technology
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