Adjustable Low Noise Human Body Dectector PIR Module SB612 With Sensor Distance 10m Detecting Angle 120 Degree

Description

SB612A is a pyroelectric sensor module which developed for human body detection. An integrated
PIR sensor combined with a fresnel lens which is mounted on a compact PCB, and limited components to
form the module. Delay time, lux is adjustable. Customization is accepted.

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Features

Schematic Diagram

Lens

Lens diameter: 24mm (default), detecting angle≤120°, detecting range<10M.

Dimension (Unit:mm)

Application Guide

Funtions:
1. DC-INPUT: supply voltage (DC3.0V-12V)
2. TEST: test pin for output. With output, high level signal (3.0V); no output, low level signal (0V)
3. LOAD+: anode of the load. LOAD-: cathode of the load. Voltage of the load and .
DC-INPUT are the same. Max current with load is 100mA.
4. DARK_ADJ: Lux adjustment.
5. DELAY_TIME: delay time adjustment.

Parameter Setting

1. Input voltage and Quiescent current

The module must be added one LDO.

2. Sensitivity adjustment

A voltage applied to the SENS input sets the threshold used to detect a PIR Signal between the PIRIN
and NPIPIN inputs.VSS selects the minimum threshold voltage.Any voltage above VDD/4 will select
the maximum threshold,which is the least sensitive setting for PIR signal detection.

3. Light adjustment

When OEN voltage from low to high,when it higher 0.4DD(1.2V),Vout output enable. OEN voltage
from high to low,when lower 0.2VDD(0.6V),Vout output disable.

4. Delay time adjustment

Note

Due to the high sensitivity of PIR sensor device, it is not recommended to use the module in the following
or similar condition.

A) in rapid environmental changes
B) in strong shock or vibration
C) in a place where there are obstructing material (eg. glass) through which IR cannot pass within
detection area.
D) exposed to direct sun light
E) exposed to direct wind from a heater or air condition

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