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$1dollar - Dual Elements Passive Infrared Sensor Used for Alarm System D203B


Overview of outdoor dual technology motion sensors
D203B with big angle windows. It widely used in light sensor.Dual compensated sensing elements are applied to suppress the interference resulting from temperature variation.
Senba Pyroelectric Infrared Sensors with high sensitivity, low noise and reliable performance. We have our own research and development department, with international technology and Hybrid IC technique expertise developed more than 15 years.
Features of dual tech pir detector
Large detection angle
Custom design is available
Higher in cost-performance
Applications of dual pir motion detector
Lighting Switch
Vending machines
Automatic control
FAQ
1. How far can a motion sensor detect?
D203B can detect up to distances of 8- 10M.
2. Do PIR sensors work in the dark?
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. ...
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Posted: Sep 02, 2019 05:58 PM
Tags: #Building #4 #Huawan #Industrial #Park #Bao'an #Shenzhen #China

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