The S38-HS1-5KP21 Hall Effect Switch Sensor is a single digital output south pole sensitive proximity sensor with a 55 gauss operate point. “HS” type Hall Effect Sensors are hall switch sensors that turn on and off with a magnet. Since this sensor is south pole sensitive, it does not respond to north pole magnetic fields.
When the south pole magnetic field is present, the sensor switches on producing a low output. Conversely, when the magnetic field retracts the sensor switches off producing a high output. No rotational sensor orientation is required for operation. Use the provided lock nuts to set the air gap from the target. Note: Operate and release gaps are dependent on the size, material, grade, and temperature of the target magnet.
The S38-HS1-5KP21 Hall Switch Sensor has an NPN input with a 5k pull up resistor. Furthermore, the sensor is potted in a stainless steel 3/8-24 cylindrical housing with wire leads.
HS1 Hall Effect Switch Sensors use square wave output pulses that can be used to detect speed, position, proximity, or count.
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