E3T-SR12

Series:	E3T
Part Status:	Obsolete
Sensing Method:	Retroreflective
Sensing Distance:	0.394" ~ 7.874" (10mm ~ 200mm) ADJ
Voltage - Supply:	12 V ~ 24 V
Response Time:	1ms
Output Configuration:	NPN - Open Collector/Dark-ON
Connection Method:	Wire
Ingress Protection:	IEC IP67
Light Source:	Red (670nm)
Adjustment Type:	--
Operating Temperature:	-25°C ~ 55°C

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Introduction:Optical sensors are transducers which convert light into electrical signals. It can detect light, infrared or ultraviolet radiation using physical and/or chemical processes. The E3T-SR12 is a two-channel, single-element photoelectric sensor which is used for many industrial applications.E3T-SR12 application fieldThe E3T-SR12 is a versatile photoelectric sensor designed to monitor a variety of industrial processes. It can detect the presence of objects, their speed and position, and measure temperatures and distances. Additionally, the E3T-SR12 can be used in light measurement applications to detect changes in intensity or colour. The E3T-SR12 is especially useful in applications requiring high accuracy and reliability or determination of the exact position of an object. It has high shock and vibration resistance and is capable of withstanding extreme environmental conditions. Applications include monitoring automatic doors, detecting and monitoring the flow of liquids, detecting the position of moving objects, and controlling machine processes.E3T-SR12 working principleThe E3T-SR12 is a two-channel photoelectric sensor with one emitter and one detector. The emitter produces a beam of light through a convertor lens and projects it into the detector\'s field of view. The detector then sends a signal to an electronic circuit which triggers an on/off output. The most common type of E3T-SR12 sensor uses a light to dark mode that output a signal when the light beam is blocked. When the beam of light is interrupted, it sends a signal to the electronic circuit and the output is triggered on.The detector element of the E3T-SR12 has two different sensitivity levels. The first level is used for a short operating distance and is used to monitor slow or stationary objects. The second level is used for a long operating distance and is used to monitor rapidly moving objects. If the emitter detects an object within its detection range, the detector will send a signal to the electronic circuit which triggers the output. The output can be used to control machinery, provide a warning signal or other electrical equipment.Additionally, the E3T-SR12 can detect temperatures and measure distances. It does this by measuring the amount of infra-red radiation emitted by an object or measuring the amount of light reflected from the object.ConclusionThe E3T-SR12 is an efficient and reliable photoelectric sensor which is suitable for a variety of industrial applications. It is easy to use and is capable of detecting the presence of objects, their speed and position and measuring temperatures and distances. It is especially useful in applications which require high accuracy and reliability.

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