WTB9-3P1261

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Optical sensors are components that detect the presence or absence of visible light, infrared light or density changes. The sensors, also known as photocells, produce electrical signals in relation to how much light they detect. This type of sensor is widely used in industrial applications.

The WTB9-3P1261 is a digital optical switch that is suitable for photoelectric detection in different industrial and medical applications. It is a versatile miniaturized device featuring a built-in infrared LED indicator and an advance optocoupler. It has a wide application voltage from 11 to 16VDC with a 35mA drive current and an output transistor with high speed.

The WTB9-3P1261 uses Infrared Sensitive Trim (IST) as its key element. This light-to-electric conversion device has a microphone photoelectric chip that can accurately detect changes in luminous intensity and can respond to weak light signals. It is designed to detect the presence or absence of light better than most other photoelectric sensors.

In terms of its application field, the WTB9-3P1261 is suitable for a wide range of applications such as light intensity monitoring, light source recognition, dark detection, door control, water level detection, etc. It is suitable for areas where precision optical sensing is needed with a wide selection of sensing ranges and reliable operation. Its high speed and reliable accuracy allow it to be used for various industrial and medical applications.

The working principle of the WTB9-3P1261 is based on a light dependent resistor (LDR). Its light-sensitive electrical resistance decreases with increased exposure to light. The WTB9-3P1261 is equipped with a built-in Infrared LED that emits light to a photodetector. When this light is reflected back onto the photoelectric chip, it will trigger an electrical signal from the optocoupler. This signal is then sent to the output transistor, allowing a built-in signal to be sent out.

The WTB9-3P1261 is an incredibly useful tool for ensuring accuracy and precision in a variety of industrial and medical applications. It operates on a voltage of up to 16V and is equipped with a highly efficient LED for light emission. Additionally, its high speed and reliable accuracy make it a great choice for a number of different applications. It is a reliable and efficient way to accurately detect light changes and the presence or absence of light.

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