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Winsen focuses on the development and innovation of sensors. Committed to providing unique solutions in various fields.
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- The Heart of Modern Vehicles — — Smart Automotive Sensor
- The secret weapon of intelligent sensing — — PIR sensor
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Infrared Alarm
The infrared alarm to prevent human intrusion is composed of pyroelectric infrared sensor and alarm controller. When someone enters the range to be protected, the sensor generates an electrical signal and transmits it to the controller, and the controller sends the alarm signal to the terminal through signal processing.
The core of the infrared alarm is the infrared pyroelectric sensor, also known as the human body induction sensor, which is a sensor that can detect the infrared rays emitted by the human body and convert it into an electrical signal output. Any object above absolute temperature produces electromagnetic radiation—infrared, but the wavelengths and energy of infrared rays radiated by objects of various different temperatures are different. The higher the surface temperature of an object, the more energy it radiates. Through the filter in the rectangular window at the top of the sensor, the wavelength of the strongest infrared rays radiated by the human body just falls in the center of the response wavelength (7~14μm) of the filter window, and its peak wavelength is about 9.4 μm, so that to sense the presence of the human body.
It can be seen from the above analysis that as long as there is someone within a certain distance, the sensor can respond accordingly.This is exactly what the anti-theft system aims to achieve, that is, to detect an intrusion into the guarded area.
Winsen Technology pyroelectric sensor module ZRD-09 has large viewing angle and stable performance, which is very suitable for infrared alarms
With the development of science and technology, many products combine smart doorbells with infrared alarms. Combining infrared human body sensing and AI face recognition technology, when someone stops abnormally at the door, the smart doorbell will take a photo, and if necessary, the infrared alarm will sound an alarm and send a message to remind the owner of the house in time.
RELATED PRODUCTS
Infrared Pyroelectric Sensor RD624
Pyroelectric Infrared Sensor detects the infrared radiation by using the temperature-dependent feature. It suppresses the interference caused by temperature change, adopts the method of dual sensing elements complementary which improves the stability of the sensor. This PIR sensor can be widely used in safety device, burglar alarm, automatic door, auto light control and intelligent toys.
Infrared Pyroelectric Sensor RD623
Pyroelectric Infrared Sensor detects the infrared radiation by using the temperature-dependent feature. It suppresses the interference caused by temperature change adopts the method of dual sensing elements complementary which improves the stability of the sensor. This PIR sensor can be widely used in safety device, burglar alarm, automatic door, auto light control and intelligent toys.
Infrared Pyroelectric Sensor RDB223
Digital PIR sensor RDB223, is an integrated design of sensitive element and signal processing chip, packaged sensitive element and IC chip into sensor shield. Sensitive element transfer the human movement signal to high-precision digital chip for data processing. Then the sensor gives digital signal for easy using.
Infrared Pyroelectric Sensor RDB224
Digital PIR sensor RDB224, is an integrated design of sensitive element and signal processing chip, packaged sensitive element and IC chip into sensor shield. Sensitive element transfer the human movement signal to high-precision digital chip for data processing. Then the sensor gives digital signal for easy using.
Infrared Pyroelectric Sensor RDB226-S
Digital PIR sensor RDB226-S, is an integrated design of sensitive element and signal processing chip, packaged sensitive element and IC chip into sensor shield. Sensitive element transfer the human movement signal to high-precision digital chip for data processing. Then the sensor gives digital signal for easy using.
Infrared Pyroelectric Sensor ZRD-09
ZRD-09 Pyroelectric infrared sensor module adopts high performance PIR sensor, Fresnel lens, Pyroelectric dedicated chip and High-performance voltage regulator circuit. It has the features, as low static power consumption, wide operating voltage, and high sensitivity. It has repeatable and non-repeatable trigger terminal to be selected, thus this module can be set according to the actual demand, convenient to use.
How to choose the right sensor for your project?
We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.
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Related Links
The first six FAQs. Use the search bar above to reveal more!
Is the Dust Sensor Wired when Shipped?
How to Install and Place the Infrared Dust Sensor?
Can the Two Voltages of Mq-7 Exist All the Time, or Do They Need to Be Powered Alternately? if It is an Alternate Power Supply, What is the Appropriate Power Supply Time?
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