Magnetic Pick-Up sensors are key components in monitoring and control systems, enabling the accurate measurement of speed, position, and other critical motion-related parameters.
By utilizing the principle of magnetic field variation detection, they sense the presence and movement of metallic objects without physical contact, ensuring high reliability and long operational life.
As a metallic component (e.g., a disc, gear, or flywheel) passes near the sensor, it causes a change in the magnetic field. This change is converted into an electrical signal, which can then be used to determine speed, position, or other essential operational data.
Pick-Up sensors are available in two main types, designed to meet different application requirements:
| Parameter | Passive Type (2-wire) | Active Type (Amplified) |
|---|---|---|
| Operating Principle | Inductive detection of magnetic field changes | Hall-effect detection with signal amplification |
| Power Supply | Not required | 5–24 V DC |
| Output Signal | Sine wave (AC) | Digital square wave (TTL/CMOS) |
| Coil Resistance | 50–200 Ω ±10% | - |
| Sensing Distance | 0.5 – 2.5 mm | Up to 4 mm |
| Frequency Response | 0 – 10 kHz | 0 – 20 kHz |
| Operating Temperature | -40°C to +150°C | -40°C to +125°C |
| Housing Material | Stainless steel or brass | Stainless steel or brass |
| Protection Rating | IP65 – IP68 | IP65 – IP68 |
| Mounting | Threaded connection | Threaded or flange mount |
Operational Reliability: No direct contact with moving parts, reducing wear and extending service life.
High Accuracy: Provides precise speed and position measurements without the need for complex mechanisms.
Resistance to Extreme Conditions: Ideal for environments with high temperatures, humidity, and mechanical stress.
Easy Installation & Maintenance: Simple to install and requires minimal technical support.
Application Flexibility: Suitable for a wide range of industrial and marine applications.
Magnetic Pick-Up sensors are widely used in systems that require measurement precision and reliable control. Typical applications include:
Speed Sensors: Measuring the rotational speed of mechanical components.
Tachometers: Monitoring engine and mechanism RPM.
Signal Generators: Generating pulses for control units or automation systems.
Heavy-Duty Vehicle Systems: Monitoring and controlling operations in industrial and marine environments.
Engine Control Units (ECU): Real-time detection of position and rotational speed.
Sensor Type: Passive (Inductive) / Active (Hall Effect)
Output Type: AC sine wave or digital TTL/CMOS
Sensing Distance: Up to 4 mm
Operating Frequency: Up to 20 kHz
Operating Temperature: -40°C to +150°C
Protection Rating: IP65 – IP68
Housing Material: Stainless steel or brass
Mounting: Threaded or flange type
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