Speciality Switches Access
Dual Function Access Control/Intruder
The AA and AC switches can be used in numerous security applications where you need to isolate input from two different pieces of equipment that require a signal from the same source. Read the rest of this entry »
Door Alert Annunciator Open Loop
The GRI Door Alert Annunciator is designed to monitor an entry or entries to a business or home by sounding instantly when a door is opened, with an intermittent beep for three seconds. The recessed version of the GRI Door Alert Annunciator is designed to fit in a single gang electrical outlet box while the surface mount style can be easily mounted in an existing building. Read the rest of this entry »
Door Alert Annunciator Closed Loop
The GRI Door Alert Annunciator is designed to monitor an entry or entries to a business or home by sounding instantly when a door is opened, with an intermittent beep for three seconds. Read the rest of this entry »
Door Monitor
The G.R.I. 290 Series Door Monitors have been designed to monitor access points leading to or from a controlled area, thus preventing doors from being accidentally left open or purposely propped open for extended periods of time. Read the rest of this entry »
Timed Electronic Shunt
The GRI SB-2000 is designed to electronically shunt across a switch or sensor that is being monitored by a normally closed protective loop. It may be set for a 15, 30 or 60 second time delay. Read the rest of this entry »