[Libs-Or] Security gates with audible whine

Serenity Ibsen sibsen at pnca.edu
Mon May 15 16:57:05 PDT 2017

Hello everyone, do you or anyone you know have these electromagnetic (not
RFID) security gates?


We're considering buying a new gate system, but are worried that they will
have an audible operating sound (hum, whine, etc.), so it would help if we
could "test drive" yours.

If you have a newer EM system that is different than the one above and have
information about their operating noise, I'd love to hear it.


Serenity Ibsen
Interim Director of Library Services
Albert Solheim Library

PNCA | Pacific Northwest College of Art
511 NW Broadway
Portland, OR 97209-3404
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