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PIR SENSOR detects infrared radiation on the basis of the characteristics that the polarization of pyroelectric material changes with temperature. One model Dual compensated sensing elements are applied to suppress the interference resulting from temperature variation. Another one Quad sensing elements with the EMI components are applied to suppress the interference resulting from circumstance temperature variation , to raise signal output and to be sensitive in all directions. This type sensor has the technical merits of both single and dual type. As a result, the operating stability of the sensor is greatly improved. It can be widely used in many applications such as in automatic light switch control, security systems, burglar alarms, visitor acknowledgement and intellectualized toy, etc. |
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| pir sensor, light accessory, detector, optical sensor, motive sensor |
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| Company : |
Pir Sensor Co.,Ltd |
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Contact us |
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| Country : |
China |
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