Motion detectors or optical sensors.
Sliding door motion sensors.
The optex x zone t sensor is an active infrared and microwave combination sensor designed for sliding doors.
One end attaches to the door frame while the other end attaches to the door itself.
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Its exclusive bluezone feature offers presence detection in the threshold when the door is in the open position.
Automatic door and hardware motion detection used to activate sliding doors motion sensors utilizing microwave technology create a reliable and effective means of activation for sliding doors.
Once the door or window is open.
Door sensors use a reed switch and magnet as a sensor.
Combination slide door sensor.
As this technology can distinguish between approaching and departing traffic these unidirectional sensors help improve a facility s energy savings.
As long as these two pieces are less than two inches apart the alarm won t sound.
These days most automatic doors use motion detection sensors or optical sensors which are installed on the sides of the door to trigger the opening closing of doors.
You can attach alarm contact sensors to any door or window in your house or apartment and when armed you ll get instant alerts on your phone and tablet whenever they open.