Your pet immune motion detector should be able to tell the difference between intruder threat and a family pet - consistently. It's a good idea to have your pet walk in front of the sensor during your installation, so the installer can make any necessary adjustments.
Remember that not all pet motion sensors (or any type of sensor, for that matter) are equally effective. Be sure your alarm company uses equipment with a well known brand name in the industry, such as DSC, Ademco, Paradox, etc. A cheap motion sensor will cause many false alarms and headaches for you, the authorities, and your pets!
Remember that not all pet motion sensors (or any type of sensor, for that matter) are equally effective. Be sure your alarm company uses equipment with a well known brand name in the industry, such as DSC, Ademco, Paradox, etc. A cheap motion sensor will cause many false alarms and headaches for you, the authorities, and your pets!
Most pet motions use a dual lense feature, which gives the device the ability to distinguish humans from all household pets under 2 1/2 feet and up to 85 lbs (depending on the model and sensitivity adjustments). A model with these specifications will not sound an alarm if one of your pets (small dogs, cats) walks into the coverage area. If you have more than one pet, it would be a good idea to keep each pet separated from each other while the system is armed. Two or three pets in front of the same motion sensor at the same time may confuse the sensor, and cause an alarm.
Left: Pet motion sensors use height and mass measurements to determine a real intruder from your pets.
Pet Sensitive Motion Sensors:
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Above: Now Fido can roam free inside the house while your system is armed, with a pet immune motion sensor (Pictured is a "pet motion" manufactured by CADDX).
Many people hesitate to purchase a home alarm, worried they may have to leave their family pet outside in order to arm their alarm system.The concern was that the pet may walk in front of a motion sensor, and cause an alarm. Years ago, installers came up with several "clever" ideas to modify a regular motion sensor to make it immune to pets (i.e. masking tape over half of the motion sensor's lense, installing the motion sensor upside down, etc). Thankfully, there are now pet immune motion detectors available, and they are becoming more and more reliable.
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