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Digital Control Circuit Sensitive Element BS312

Overview

PIR sensor sense the motion object, always used to detet the human. There is a detect rang for the PIR sensor. When a people move in or out of the detect rang, the PIR sensor will be triggered. PIR sensor are low-power, small, easy to used. For this reason it can be used for the alarm system and lighting control. PIR sensor also named passive infrared, Pyroelectric or IR motion sensor.

Features of BS312 Low Voltage PIR Sensor

Power adjustable, save more energy

Two-way differential high impedance sensor input

Technical Data of BS312Low Voltage PIR Sensor

Characteristics

Symbol

Unit

Remarks

Supply Voltage

VDD

-0.3

5

V

Working Temperature

TST

-20

85

Into

-100

100

mA

Storage Temperature

TST

-40

125

  1. ,Except other requirements)

Characteristics

Symbol

Type

Unit

Remarks

Supply Voltage

VDD

3

V

IR=0.5mA

Working Current

IDD

9

11

μA

Sensitivity

VSENS

90

μV

Output REL

Output Low Current

IOL

10

mA

VOL<1V

Output High Current

IOH

-10

mA

VOL>(VDD-1V)

Lock time

TOL

s

On-time

TOH

2

3600

s

Output REL

Output Low Current

10

mA

VOL<1V

Output Hight Current

-10

mA

VOL>(VDD-1V)

Oscillator & Filter

Low pass filter cut-off frequency

7

Hz

High pass filter cut-off frequency

Hz

Oscillator frequency on Chip

FCLK

64

kHz

Interior Block Diagram

Applications of BS312 Wide Angle PIR Sensor

Intelligent security- burglar alarm

Wireless infrared detection alarm, uses advanced signal analysis and processing technology. When the intruder enters through the detection area, it sends alarm signal to control panel.

The PIR sensor is suitable for home, residential area, factory, shopping mall, warehouse, and offices.

FAQ of Digital PIR Sensor

PIR sensors are excellent in human and animal detection. They are mostly used in triggering an intruder alarm and activate household appliances upon the presence of a human.

No, alarm motion sensors do not work through glass. Most motion sensors use passive infrared (PIR) technology to detect motion. Changes in IR energy are not easily detected through glass. This is why motion sensors will generally not work through windows, which are usually insulated.

Senba sensing technology co ltd is a pir sensor manufacturers, we provide senba sensing technology, pir switch circuit, wide angle pir sensor, passive ir motion sensorand etc. Welcome to contact us.



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