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Kit Helps Determine Vulnerability of VFD-Controlled Motors

Mon, 11/07/2011 - 7:04am
shaft voltage test kitThe new AEGIS Shaft Voltage Test Kit is said to make it easier than ever to measure and document damaging VFD-induced voltages while there is still time to head off bearing damage and equipment downtime. Because the kit is asserted to be able to test every VFD-controlled motor in a whole production plant, office building, mechanical room, or anywhere else VFD-driven motors are operating, it provides a desirable tool for anyone who needs to determine and convince others that a motor is or is not subject to stray shaft voltages great enough to harm motor bearings. The result of a collaboration between Electro Static Technology (EST) and Fluke Corporation and available from both companies, the kit includes a special replaceable probe tip for highly accurate voltage readings on rotating equipment. Designed by EST, this tip is the first of its kind, containing high-density conductive microfibers that ensure continuous contact with a rotating motor shaft. EST manufactures the tip and extension rod that may be held or used with an optional magnetic base, while Fluke makes the 10:1 probe itself and the Fluke 190 Series ScopeMeter portable oscilloscope that displays the voltage waveform and saves the image for reporting.

Electro Static Technology
866-738-1857, www.est-aegis.com
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