EX-L291

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Optical sensors are highly versatile pieces of technology due for their ability to detect and measure light, which can then be used to provide feedback on a range of different objects or environmental conditions. Types of optical sensors are numerous and include photoelectric, industrial, and customized sensors. One such industrial photoelectric sensor is the EX-L291, which can be used in a variety of applications and is noted for its accuracy and reliability. Below, we will be discussing the applications and working principle of the EX-L291.

The EX-L291 is highly versatile and effective and can be used in many different applications such as material handling, conveyor monitoring, liquid level sensing, flow sensing and even food-grade applications. It is also UL listed and CSA approved and is compliant with CE standards, making it ideal for use in a variety of industrial settings.

In terms of its physical design, the EX-L291 is a cylindrical optical sensor with a non-flush rectangular mounting face. It is rated IP65 and UL 508 for use in areas with a potential for exposure to corrosive elements. Additionally, the EX-L291 has an 18 to 30V DC operating voltage range, making it suitable for power sources of any type. It also has a current draw of 2,000 μA at 24V DC.

At the heart of the EX-L291’s operation is an IR LED light source and a silicon photodiode sensor. When the light source is activated, the light beam is projected from the LED to the photodiode sensor. If the beam is blocked by a nearby object, the photodiode sensor will detect the change in light and send a signal via the sense in/out wires.

The EX-L291 also has an unusual feature in that it can be programed to trigger after a certain number of sensing cycles have been completed. This enables companies and users to save energy and time as they can ensure that the EX-L291 is only activated when necessary.

The EX-L291 is further enhanced by its wide range of configure options including the ability to adjust the beam intensity and sensing distance as well as the response time, which can be tuned for different objects and applications.

In conclusion, the EX-L291 is a reliable and versatile industrial photoelectric sensor which can be used in a variety of settings. It is rated for hazardous locations, has an adjustable range and response time, and can be programmed for energy saving. By harnessing the power of light, the EX-L291 is well suited to industrial applications that require precision and reliability.

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