QPE1257 Sensors, Transducers

Series:	--
Part Status:	Obsolete

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Introduction

Proximity sensors sense the presence of objects without contact with the object. The sensors use either an electromagnetic induction, electrical capacitance, microwave reception, or optical technique. These non-contact measurements make these sensors suitable for hazardous and hazardous-like applications. QPE1257 is a type of proximity sensor that is equipped with a dual infrared receiver & emitter. It is a two-wire proximity sensor that requires power to be supplied and signals to be received over the same pair of wires. This sensor can be used in a variety of applications such as agriculture, machine vision, and motion sensing applications.

Application Field

QPE1257 is a versatile, two-wire proximity sensor. It can be used in a variety of fields and applications, including but not limited to:

• Agriculture – QPE1257 can be used to detect the presence of insects, animals, and plant growth. It can be used to monitor crop health, identify pest invasions, and harvest crops with higher accuracy.
• Machine Vision – This sensor can be used to detect objects in a wide range of lighting conditions. It can be used for accurate object recognition and motion tracking for autonomous navigation.
• Motion Sensing – QPE1257 can be used for motion detection for surveillance systems or to detect presence in home automation systems. It is also well suited for motion-controlled gaming applications.

Working Principle

QPE1257 works using a dual infrared receiver & emitter. An infrared signal is emitted from the infrared transmitter and then received by the infrared receiver. The output of the QPE1257 increases when an object is detected by blocking or reflecting the infrared beam. This increase is then used to trigger a signal. The sensor has a very long detection range and is very sensitive to infrared signals, making it suitable for many applications.The sensor has two outputs: a high-active (H) and a low-active (L). The H output is normally high when no object is detected and goes low when an object is detected. The L output is normally low when no object is detected and goes high when an object is detected. The detection range of the sensor can be adjusted with the two potentiometers that are located on the side of the sensor.

Conclusion

QPE1257 is a two-wire proximity sensor that can be used for a variety of applications. It works by using an infrared signal to detect the presence of objects. The sensor has two outputs that can be used to trigger either a high or low signal, depending on the presence of an object. The detection range of the sensor can be adjusted with two potentiometers. The sensor is suitable for hazardous and hazardous-like applications, making it a versatile tool for many applications.

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