QVB11323

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Optical Sensors - Photointerrupters - Slot Type - Transistor Output

QVB11323 is a static photoelectric switch designed for detecting objects, allowing users to output transistor signal for applications involving detection, counting and positioning. The switch is made up of an infrared emitter and an NPN silicon phototransistor in the form of a slot type photoelectric switch. It is primarily used in home appliances, office automation, industrial equipment, and other automation control technology.

The QVB11323 includes an opaque plastic housing with a slot of 3 mm width, an infrared LED emitter and a phototransistor to detect the modulation of an infrared light beam. The slot type photoelectric switch provides an effective solution to detect objects in various sizes; from small objects to objects that are larger than the slot area of 3 mm. The emitted infrared light is modulated when an object passes through the light, allowing the phototransistor to detect it and output a transistor signal.

Working principle of the QVB11323 is based on the principle of photoelectric conversion, in which an electrical signal is generated as infrared light is modulated. When no objects pass between the emitter and the detector, the phototransistor is in off state, creating an open circuit between the Collector (C) and Emitter (E). When an object interrupts the light beam, the phototransistor changes into an on state, creating a closed circuit between the C and E. This circuit can be used to activate logic gates, power relays, and other applications.

The typical applications include position sensing, object detection and edge detection. The device can be used in small and large machines to detect objects or count a number of items. For example, the machine can detect the position of a cylindrical object and count the number of items on a conveyor belt using the QVB11323. The working principle of photodetector can also be applied in security systems and sensor alarms for motion detection of objects.

The QVB11323 is suitable for both DC and AC power supply and can provide the ultimate solution for customers in the automation field. It can operate under a wide range of temperature, from -40°C to 85°C. Its wide operating voltage range allows the device to be compatible with various circuits ranging from 2.5 to 24V. The slot type photoelectric switch from Omron helps customers to increase their productivity and reduce costs. With applications ranging from home appliances to automation technology, it provides an ideal solution for customers’ needs while being cost-effective and technically outstanding.

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