OHN3130U

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The OHN3130U is a magnetic switch from the family of solid state magnetic field sensors. It detects the presence or absence of magnetic fields and provides an electrical signal to a digital circuit when the presence or absence is detected. This magnetic switch has a wide range of applications and can be used in many different environments, from doors in commercial buildings to complex industrial machinery.

The OHN3130U is a Hall Effect Sensor which measures the strength of the magnetic field in its vicinity. This is due to the presence of a Hall Sensitivity Element (HSE) which is capable of detecting magnetic fields when exposed to them. The sensitivity of the device is adjustable and can be fine-tuned for specialized applications. The output type is a digital, open-drain type and is triggered by a magnetic field with a minimum strength of 0.5 mT. When a magnetic field of greater strength is detected, the device will output a logic high signal, indicating the presence of a field.

The OHN3130U can be used for a variety of applications. It can be used to detect the presence or absence of doors, windows, and other barriers, as well as to detect the presence of motion in a specific area. It can also be used to detect the passage of a person or object, or to detect the presence of a magnetic field. Additionally, it can be used in industrial machinery to detect the wear and tear of gears, belts, and other parts; or to measure the torque, speed, and acceleration of a motor.

The working principle of the OHN3130U is fairly straightforward. When a magnetic field is present, the HSE will sense it and output a logic high signal. However, the strength of the field must be at least 0.5 mT in order for a signal to be triggered. This magnetic field will be detected along all three axes of the sensor, allowing the switch to be triggered regardless of the orientation of the field. The output signal is then sent to a digital circuit which processes the signal and takes the appropriate action.

Overall, the OHN3130U is a versatile magnetic switch that can be used in a variety of applications. It is capable of detecting the presence and absence of a magnetic field, as well as detecting the state of motion. By adjusting the sensitivity of the device, it can be fine-tuned for specialized applications. This makes the OHN3130U an ideal choice for many different applications, from commercial buildings to industrial machinery.

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