How does a variable differential reluctance sensor work?
Variable-Differential Reluctance Sensor A variable-differential reluctance sensor consists of an armature moving between 2 identical cores separated by a fixed distance. The armature moves in the air gap in response to a mechanical input. This movement alters the reluctance of coils 1 and 2, thus altering their inductive properties.
Why are there different types of motion sensors?
Some types of motion detectors mix some sensors in order to decrease fake alarms. But, dual sensors are only activated when both kinds sense motion. For instance, a dual microwave or PIR sensor will start out on the passive infrared sensor setting, because that consumes less energy.
How does interior follow up work on a motion sensor?
Interior follow-up mode works on an entry delay, but only when door contact triggers first—though it sounds an instant alarm if it detects motion in the home without a door contact triggering.
How long does it take to disarm a motion sensor?
In instant mode, all motion triggers an alarm. In entry delay mode, the sensor operates on a delay—even if it detects motion, you have roughly 30–60 seconds to disarm the system before an alarm.
How can I change the position of a sensor?
Click the column headers Pos, Sensor, Status, or Priority to sort the sensor list. To change a sensor’s position, click the small grip at the beginning of the row, drag it to the position you like, and drop it. Changes take effect immediately. You can also right-click any object in the device tree to show the context menu.
Some types of motion detectors mix some sensors in order to decrease fake alarms. But, dual sensors are only activated when both kinds sense motion. For instance, a dual microwave or PIR sensor will start out on the passive infrared sensor setting, because that consumes less energy.
How does a dual tech motion sensor work?
Dual Tech Motion Sensors: How Dual Tech/Hybrid Sensors Work There is technology that incorporates both PIR and Microwave sensors to have less false alarms. A quick rise in temperature in the room can cause the PIR to go off while wind can move an object and trigger the microwave sensor.
How do I move a sensor to the top of the tree?
To change a sensor’s position, click at the beginning of the row, drag the sensor to the new position, and drop it. Right-click any object in the device tree to show its context menu. Hover over Move to open the Move menu. The following actions are available: Top: Move the object to the top of the parent object.