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PIR Sensors Used in Security Alarms and Automatic Lighting Applications D205B

Overview D205B is widely used for ceiling lamps and has a large detection angle.The pyroelectric infrared sensor detects infrared radiation on the basis of the characteristics that the polarization of pyroelectric material changes with temperature. Senba is the specialist PIR manufacturer for 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…See More
Oct 10, 2019
senba2019 posted a blog post

Long Distance 12M Detector Sensor HM412 From Senba Factory

Overview PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don't wear out. For that reason they are commonly found in appliances and gadgets used in homes or businesses. They are often referred to as PIR, "Passive Infrared", "Pyroelectric", or "IR motion" sensors. Feature of…See More
Oct 5, 2019
senba2019 posted blog posts
Sep 3, 2019
senba2019 posted a blog post

SB312 Passive Infrared Sensor Module for Home Security System

Overview of low power pir motion sensor moduleNew Smart PIR Sensor Module with improved digital sensor.This unit has enhanced delay time adjustments, with an expanded range from 2 seconds to 70 minutes. The unit includes an integral light sensor with adjustable sensitivity, the unit is suitable for outdoor and indoor mounting. Detecting length is also adjustable. The…See More
Sep 1, 2019
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Aug 30, 2019

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Senba is one of the most competitive manufacturers in the field of photoelectric components in the world. We provide PIR sensors, light sensors, photo resistors, Fresnel lens and flame detectors with perfect after-sales service and technical support. All the components has been widely used in tots, lighting, switches, household appliances, medical, industry, security, military and other fields.

Senba2019's Blog

SMD Passive Infrared Sensor S18-L262B-2

Posted on November 11, 2019 at 2:30am 0 Comments



All of Senba products in this Catalog reach ROHS standard. The EU ROHS Directive refers to the European Union's directive 2011/65/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment. We are the specialist PIR sensor manufacturer for more than 15 years and we have advanced passive infrared…


Plastic Fresnel Lens S9008 Used in Alarm System

Posted on November 10, 2019 at 2:30am 0 Comments



The fresnel lens is a optical element, one side is smooth, another side is by a ring a part of concentric garden composition. Fresnel lens arrays designed for Passive Infrared Sensor. The optical surface increases lens sensitivity for PIR sensor application. All the PIR sensor must work with the Fresnel Lens.




The Fresnel…


PIR Sensor Module

Posted on November 9, 2019 at 2:30am 0 Comments

Pyroelectric sensor is a kind of sensor, also known as human body infrared sensor and human motion sensor module, used for life burglar alarm, visitor notification, etc., the principle is to release the charge through the amplifier into a voltage output.


The piezoelectric ceramic dielectric can maintain a polarization state after being polarized, which is called spontaneous polarization.…


Outdoor Human Motion Sensor D203S

Posted on November 8, 2019 at 2:30am 0 Comments



D203S is the hot selling item in the market. Mostly used for light control lamp switch, general detection angle.


PIR (Passive Infrared Detector) are used to detect motion object like human movement. All the PIR sensor must work with Fresnel Lens, this version can detetc more than 8 meters.




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