magnetic proximity sensor working principle

Hall Effect Magnetic Sensor

Model: SensorMass20250602S5
Induction method: magnetic induction
Product type: hall sensor
Working voltage: 5-30V DC

Description:

The Magnetic pickup sensor is a magnetic sensor composed of a voltage regulator, a Hall voltage generator, a differential amplifier, a Schmitt trigger and an open collector output. Its input is the magnetic induction intensity and its output is an NPN normally open signal.

Features

  • The internal structure is better than usual and more resistant to vibration.
  • Fast response speed and strong sensitivity.
  • Especially suitable for use in narrow spaces or for detecting small objects.

Application

  • It mainly measures the steady magnetic field of permanent magnets and cannot detect alternating magnetic fields.

Specifications

Product nameMagnetic switch
ModelSensorMass20250602S5
Working voltage5-30V DC
Detection distance<10mm
OutputNPN NO
hall effect sensor

Magnetic switch sensor

How does a magnetic speed sensor work?

Magnetic speed sensors, like magnetic pickup sensors (MPUs), utilize the principle of electromagnetic induction to determine rotational speed. A coil of wire is wrapped around a permanent magnet or magnetic core, and a rotating ferrous target (like a toothed wheel) interacts with the sensor’s magnetic field. As the target rotates, the changing magnetic field induces a voltage in the coil, creating a sinusoidal (sine wave) output signal. The frequency and amplitude of this signal increase as the target’s speed increases.

What is the principle of magnetic position sensor?

Utilizes magnetic fields for position or angle measurement. Enables contactless measurement with remarkable durability and robustness, designed to withstand harsh environmental conditions. Sensitive to external magnetic fields, leading to limited range and resolution.

What is the magnetic range of a Hall sensor?

The guaranteed range that a given sensor will detect a specific magnet will be from a gap of 0.000 to the point where the curve reaches the max switch point. The minimum gap required to ensure that the sensor will not trigger the magnet is the below where the curve crosses the min switch point.

What are Hall effect magnetic switches?

Hall Effect switches are electronic devices that use magnetic fields to detect keypresses. Unlike mechanical switches, they rely on magnetic fields rather than physical contact. This results in fewer moving parts, often leading to increased durability and reliability.

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