Infrared alarm maintenance height adjustment:
How to adjust the sensitivity of this debugging? The height of the installation affects the detector's sensitivity. The difference in height of the detector, the frequency of the cutting area and the dark area will become different.
Environmental adjustment:
In addition to highly affecting the sensitivity, the surrounding environment of the infrared detector also affects its sensitivity. For example, if the passive infrared detector is facing the glass doors and windows, then there will be two problems: one is the environmental interference outside the doors and windows, the crowd and the flow of vehicles will affect the detector's judgment of the signal; the other is the white light interference. The PIR of the infrared detector has a strong suppression function for white light, but this is not completely suppressed, so avoid facing the white light source and avoid glare interference.
Temperature adjustment:
Infrared detectors' passive infrared detectors' sensing is closely related to temperature changes. Hot and cold temperatures are likely to cause false alarms from infrared detectors. If they are low-performance detectors, air convection in windows and doors can also cause false alarms. Therefore, it is necessary to select detectors with different sensitivities according to changes in the temperature of the environment. This is a point to consider when installing an infrared alarm.
The above is about three major aspects of the infrared alarm maintenance, I hope you through these, to better understand the infrared alarm, and better apply it in life.
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