www.securitymagazine.com/articles/85387-guards-against-propping-doors-open
Detex Corporation

Guards Against Propping Doors Open

From Detex Corportation

April 1, 2014
Detex Corporation
 

 

This alarm system ensures that doors left open by mistake or intent won’t defeat the entire security system. This battery-powered alarm system can be field-set for door prop times ranging from one second to four minutes, with a 15-second default. After the time selected, a 100-decibel alarm alerts staff, then silences when the door is closed so there is no need to wait for a key-holder to arrive. The alarm is powered by a nine-volt battery and has a low-battery LED alert. The battery-powered option makes the alarm more economical to install and especially useful for retrofitting older facilities.

 Find out more at www.detex.com