[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?

http://www.demco.com/webprd_demco/html/landing_pages/circulationtech/pdfs/SecGates_SpecSht_EM.pdf

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.

Thanks!
Serenity

-- 
Serenity Ibsen
Interim Director of Library Services
Albert Solheim Library



PNCA | Pacific Northwest College of Art
511 NW Broadway
Portland, OR 97209-3404
503-821-8953
library.pnca.edu
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