3M uses cookies on this site. This site and 3M selected service providers place cookies, containing text files, on your computer to recognize your computer and:

  • personalize your experience on 3M websites
  • show you ads tailored to your interests
  • collect anonymous statistical information to enhance site functionality and performance.

Learn the benefits of accepting these cookies

You can change your cookie settings at any time by clicking on the Cookie Preferences link at the bottom of the page.

Some opt-outs may fail due to your browser's cookie settings. If you would like to set opt-out preferences using this tool, you must allow third party cookies in your browser settings.

By clicking Accept and Proceed, you confirm your understanding and agreement for cookie settings as indicated on the left.

Accept and Proceed

Skip to Primary Navigation Skip to Site Navigation Skip to Main Content All 3M.com Site Map
Brochures & Guides banner

Electromagnetic Technology

University of Aberdeen

How does Electromagnetic (EM) Technology work?

A metallic strip is hidden inside the book or affixed to the CD/DVD. The strip can be activated or deactivated during check-in or checkout. If an item that has not been desensitised is taken through a detection system it will cause the system to alarm.

Why choose EM technology?

EM strips are discretely hidden and are therefore resistant to tampering and difficult to remove. The detection rate of EM is more reliable than other security technologies, as it is less affected by environmental and human factors for example it is unable to be shielded by the human body.

Providing the highest level of security, electromagnetic systems are the preferred choice for libraries with high value collections.

Why use 3M™ Tattle-Tape™ security strips?

  • Industry leading detection rates.
  • Ensures accuracy and reduces false alarms.
  • No damage is done to audio-visual material.
  • Inserted easily and quickly.

3M offer a range of EM circulation accessories allowing efficient desensitising and resensitising of materials.

Related Links


Get the latest news, events and offers by subscribing to our Library Systems eNewsletter!

Tattle-Tape™ Security Strips and Applicators

Tattle-Tape™ Security Strips and Applicators

Tattle-Tape™ Security Strips and Applicators

Used by more libraries than all other security strips combined, 3M™ Tattle-Tape™ Security Strips offer the ultimate in discreet protection for your entire collection, including magnetic media.

PDF, 192KB

Circulation Accessories

3M™ Circulation Accessories

3M™ Circulation Accessories

3M provides a wide range of solutions that safely and completely turn 3M™ Tattle-Tape™ Security Strips on and off. With accessories designed specifically for print and non-print media, we help enhance security and increase productivity so you can provide customers with the level of service they expect.

PDF, 365KB