2LP38SP

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2LP38SP Application Field and Working Principle

In the market of electrical devices, 2LP38SP stands for two light-emitting diodes (LEDs) and an associated photo detector that form a photodetector pair. This device is designed to be a precise point sensor for both position sensing and proximity sensing applications. It is based on the principles of light reflection and polarization, meaning that light rays are either reflected, refracted, or absorbed by materials and their physical properties.

2LP38SP is a mild-linear optoelectronic device with two TTL outputs, one for positive and the other for negative variation. Its lens can be mounted at any angle, and the beam is slightly curved to ensure a smooth transition at all points in its range of operation. The lens can be set to focus on objects for close-range detection or zoomed out for distant detection. This versatility of the device makes it ideal for a wide range of application fields.

2LP38SP is used in a variety of applications such as in industrial, medical, automotive, and aerospace applications. It can be used as a sensor to detect objects or detect their position and movement. In medical applications, it is used to detect the degree of convergence or divergence of a patient\'s eyes. In automobile applications, it is used to detect the presence of an obstacle. In aerospace applications, it is widely used to detect the level of turbulence in the atmosphere.

Working Principle of 2LP38SP

The 2LP38SP consists of two light-emitting diodes (LEDs), an associated photo detector, and a lens. When the beam of LED light hits an object, some of the light is reflected, while some is refracted and some is absorbed. The photo detector then measures both the intensity and the wavelength of the reflected light. Depending on the angles of incidence and reflected light, variations in the output of the photo detector can be detected.

The two LEDs are usually spaced two centimeters apart. The lens can be adjusted to focus or zoom out the beam, resulting in better detection of objects and increased detection range. The device works best when the sensor is placed symmetrically between the two LEDs.

When the beam of light strikes an object or person, the reflected light is captured by the photo detector. Depending on the angle of reflection, the intensity of reflection, and the wavelength, the photo detector calculates the distance of the object and the output is then fed to the system for further processing.

Advantages of 2LP38SP

2LP38SP has many advantages compared to other sensors. It has a very low power consumption, making it ideal for battery operated devices or energy-efficient systems. It also has two built-in outputs, making it suitable for multiple applications. Its versatility allows it to be used in a wide variety of environments, from dusty factories to sterile operating rooms.

The device also has very high accuracy and resolution, making it ideal for applications requiring precision and accurate readings. Since it works on the principles of light reflection and polarization, it does not require any calibration and can work well in variations of light intensity.

Conclusion

2LP38SP is a versatile optoelectronic light sensor with many advantages, from low power consumption to highly accurate readings in various light intensities. Its two built-in outputs make it ideal for applications ranging from industrial to medical uses, from automotive to aerospace. The device is also very cost-effective and requires no calibration, making it a great choice for any application.

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