E3JK-R2M1-US

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Optical sensors are used for a variety of applications in industrial, automotive, and consumer electronics to detect and measure light and motion. The E3JK-R2M1-US series are widely used in industrial photometry and photoelectric sensing applications due to their high level of precision and accuracy. These sensors have the ability to detect signals in the visible spectrum and infrared, with a sensitivity range of 0.01 lux to 200 klux.

The E3JK-R2M1-US series photovoltaic photodetector is composed of four parts: the light-sensitive element, the preamplifier, the amplifier, and the output circuit. The light sensitive element is composed of a light sensitive layer, a light-shielding film, and a photoelectric sensitive body. The light-shielding film separates the light-sensitive element from its environment, reducing external noise interference, while the photosensitive body converts light signals into electric signals. The preamplifier is then used to amplify and filter the electric signals, before it is sent to the amplifier, where it is further amplified and regulated to the necessary level.

The output circuit comprises two D type elements. The D1 element is used to detect the light intensity, while the D2 element is responsible for providing a signal indicative of the intensity. The output signal from the E3JK-R2M1-US series is a current or voltage signal. The current or voltage signal is then used by the control system to perform a specific function, such as opening or closing a switch, switching on an alarm, or triggering an automatic process. The response speed of the E3JK-R2M1-US series is fast, with a reaction time of 0.5 msec.

The working principle of the E3JK-R2M1-US series is based on the photovoltaic effect, which occurs when a light signal is incident upon a semiconductor material. When this incident light falls on the light-sensitive element, it creates free electrons and holes. The preamplifier amplifies the current signal created by the movement of these free carriers, before sending it to the amplifier for further amplification and regulation. The output signal is then sent to the control system, enabling it to perform a specified operation.

The E3JK-R2M1-US series of photodetectors are mainly used in industrial applications, such as in photocorrelators, photointerrupters, and photooptical switches. For example, the E3JK-R2M1-US series is used in photocorrelators for a variety of applications, including measuring temperature, controlling lighting, measuring humidity, and controlling speed. They are also used in photointerrupters and photooptical switches for features like sensing object presence, controlling motor speed, and detecting the end of a line.

In addition, the E3JK-R2M1-US series is also used in automotive and consumer electronics applications. For instance, they are used in automotive electronic systems to measure ambient lighting and can be used as a signal source, such as in sensor-driven motor control units, that require a defined output control signal.

To conclude, the E3JK-R2M1-US series are a type of optical sensor, specifically adapted for photometric and photoelectric sensing in industrial, automotive, and consumer electronics applications. They consist of a light-sensitive element, a preamplifier, an amplifier, and an output circuit, all of which work together to accurately measure and detect light signals. The sensor is fast, reliable, and has a wide dynamic range, making it suitable for use in a wide range of applications.

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