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4pins Digital Smart Pyroelectric Detector BS412

Overview

Senba is one of the most professionalPIR sensor manufacturersfor more than 15 years. We are the most advanced factory with complete categories. With strong R&D center, there are digital type and analog type, dual elements and four elements for you choose. The market cover domestic market, Korean, Amertica, Turkey and Europe.

BS412 is a newest smart digital motion detector with a small window size. Pyroelectric motion sensoroffers a complete motion detector solution, with all electronic circuitry built into the detector housing. Only a power supply and power-switching components need to be added to make the entire motion switch.

BS412 includes the time setting only.

Features

Built-in filter, screen the interference by other frequency

Excellent power supply rejection, Insensitive to RF interference

Technical Dataof pyroelectronic infrared sensor

Characteristics

Symbol

Unit

Remarks

Supply Voltage

VDD

-0.3

V

Working Temperature

TST

-20

85

°C

Into

-100

100

mA

Storage Temperature

TST

-40

125

°C

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

InOL

10

mA

VOL<1V

Output High Current

1NC

-10

mA

VOL>(VDD-1V)

Lock time

TOL

s

On-time

TOH

2

3600

s

ONTIME

Input voltage

0

VDD

V

0Vto ¼ VDD

Input Bias Current

-1

1

μA

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

home security systems

As its ability to sense warm, moving objects such as people walking into a room is coupled with simplicity and cost effectiveness.

FAQ

PIR-based Motion Detection: In this case motion is detected by means of a PIR sensor, a passive infrared sensor. This sensor detects emitted infrared energy from objects (humans and animals, but also cars) in the form of heat.

Yes, motion sensors work in the dark. The way that a motion sensor detects movement has nothing to do with how light or dark it is in the immediate area. ... Since infrared energy is present and can be detected regardless of the amount of light in the environment, a PIR motion sensor will work just fine in the dark.



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