PIR infrared sensor module is based on infrared technology, automatic control products. High sensitivity, high reliability, low power consumption, low voltage operation mode. Widely used in various auto-sensing electrical equipment, especially for battery-powered automatic control products.
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1 , automatic induction : to enter the sensing range of the output is high, people leave the sensing range is automatically delay off high, output low.
2 , photosensitive control (optional, not factory setting) can be set photosensitive control, day or light intensity without induction .
3 , temperature compensation ( optional, not factory setting ) : In the summer, when the ambient temperature rises to 30 ~ 32 , detection distance is slightly shorter, temperature compensation can be used for certain performance compensation.
4 , two kinds of trigger modes: (jumper selectable)a , unrepeatable trigger : the sensor output high, the delay time is over, the output automatically from high into low;b , repeatable trigger: the sensor output high, the delay period, if there is human in its sensing rangeActivities, the output will remain high until after the delay will leave high to low (sensor module inspectionMeasured the body`s every activity will be automatically extended a delay time period, and the final event of the time delayThe starting point of time ) .
5 , with induction blocking time ( default setting : 2.5S block time ) : sensor module output every time after induction (high variableTo the low level), you can set up a blockade followed by time period, during this time period does not accept any inductive sensor signals.This function can be achieved " sensor output time " and " blocking time "interval between the work can be applied to interval detection productsProducts; while this feature can effectively inhibit the load switching process for a variety of interference. ( This time can be set to zero seconds- tens of seconds ) .
6 ,wide operating voltage range: default voltage DC 3.6V ~ 20V .
7 , Micropower : quiescent current <50 microamps, especially for battery-powered automatic control products.
8 , high output signal: the circuit can be easily implemented with various docking.
Dimensions and regulation
Note: adjust the distance potentiometer clockwise, sensing distance increases (about 7 meters), on the contrary, sensing distance decreases (about 3 meters).Delay adjustment potentiometer clockwise induction delay longer (approximately300S ), on the contrary, the induction delay cut short (about 5S ).External schematic diagram and typical applications
Instructions for use :