49.89 EUR
VEMO Sensor, wheel speed V70-72-0048
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VEMO Sensor, Wheel Speed V70-72-0048
The VEMO Sensor, Wheel Speed V70-72-0048 is a high‑performance wheel speed sensor designed for automotive applications that demand precision and reliability. This sensor plays a critical role in the vehicle’s braking system by providing accurate rotational data to the Anti‑Lock Braking System (ABS) and Electronic Stability Program (ESP). Its robust construction, advanced magnetic technology, and seamless integration with modern vehicles make it an essential component for maintaining optimal safety and performance.
Core Functionality
The primary function of this sensor is to measure the rotational speed of a wheel. It does so by detecting changes in a magnetic field generated by a rotating magnet attached to the wheel hub or brake rotor. As the wheel turns, the sensor’s Hall‑effect element produces an electrical signal proportional to the wheel’s angular velocity. This signal is then transmitted to the vehicle’s ABS control unit, which uses it to calculate braking force and prevent wheel lockup during emergency stops.
Key Technical Specifications
- Model: V70-72-0048
- Type: Hall‑effect wheel speed sensor
- Operating Voltage: 12 V DC (typical automotive battery voltage)
- Signal Output: Pulse frequency proportional to wheel speed; typical output range 0–2000 Hz
- Temperature Range: –40 °C to +125 °C, ensuring reliable operation in extreme climates
- Mounting Orientation: Front or rear axle, left or right side (universal mounting)
- Dimensions: Compact design for tight engine bay spaces
- Material: High‑grade stainless steel housing with corrosion‑resistant coating
- Compliance: Meets ISO 26262 functional safety standards for automotive electronics
Design Features and Advantages
The V70-72-0048 incorporates several design elements that enhance its performance and durability:
- High‑Sensitivity Hall‑Effect Element: Provides precise detection of magnetic field variations, resulting in accurate wheel speed readings even at low rotational speeds.
- Low Power Consumption: Optimized for minimal electrical draw, preserving battery life and reducing heat generation.
- Robust Housing: The stainless steel enclosure protects the sensor from moisture, dust, and mechanical shocks typical in automotive environments.
- Wide Temperature Tolerance: Maintains functionality across a broad range of operating temperatures, making it suitable for both hot climates and cold winter conditions.
- Compact Footprint: Designed to fit into tight spaces without compromising performance, facilitating easy installation in various vehicle models.
Integration with Vehicle Systems
The sensor’s output is directly compatible with the ABS and ESP modules found in modern vehicles. By providing real‑time wheel speed data, it enables:
- ABS Activation: Prevents wheel lockup during hard braking by modulating brake pressure.
- ESP Control: Helps maintain vehicle stability by adjusting traction and braking forces on individual wheels.
- Tire Pressure Monitoring (TPMS) Support: In some configurations, the sensor can be used to infer tire pressure changes based on speed variations.
Installation Guidelines
Proper installation is essential for optimal performance. Follow these steps for a successful setup:
- Disconnect Battery: Ensure the vehicle’s battery is disconnected to prevent accidental electrical shorts.
- Remove Existing Sensor: Carefully detach the old sensor from the wheel hub or brake rotor, noting its orientation and mounting position.
- Align New Sensor: Position the V70-72-0048 so that its magnetic field aligns with the rotating magnet on the wheel. Maintain the same polarity to preserve signal integrity.
- Screw Securely: Tighten the mounting bolts to the manufacturer’s specified torque settings, avoiding over‑tightening which could damage the sensor housing.
- Reconnect Battery and Test: Reconnect the battery, start the vehicle, and verify that the ABS light remains off. Use a diagnostic scan tool to confirm correct wheel speed readings.
Maintenance Tips
Although the sensor is designed for long‑term reliability, regular checks can help detect early signs of wear:
- Inspect the housing for cracks or corrosion.
- Verify that the mounting bolts remain tight and free from rust.
- Use a multimeter to confirm consistent signal output during test drives.
Compatibility Overview
The V70-72-0048 is engineered for broad compatibility across various vehicle platforms. It is commonly used in:
- Front and rear axle wheel speed monitoring systems.
- Vehicles equipped with ABS, ESP, or combined safety modules.
- Both passenger cars and light commercial vehicles that require precise wheel speed data.
Its universal mounting design allows it to be swapped between left and right sides of the vehicle without modification, simplifying repair workflows for technicians.
Conclusion
The VEMO Sensor, Wheel Speed V70-72-0048 exemplifies engineering excellence in automotive safety components. Its precise Hall‑effect technology, durable construction, and seamless integration with ABS/ESP systems make it a reliable choice for maintaining vehicle stability and preventing wheel lockup under all driving conditions. Whether you are a professional mechanic or an enthusiast seeking to upgrade your vehicle’s braking performance, this sensor delivers the accuracy and dependability required by modern automotive safety standards.
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| Tags | VEMO Sensor Wheel speed V70-72-0048 |
| Identifiers | |
| Brand |  Vemo is a brand that specializes in making watches. They make a wide variety of watches, from sporty to dressy, and everything in between. Their watches are known for their high quality and stylish designs. |
| Model | Vemo V70-72-0048 |
| MPN | Vemo V70-72-0048 |
| ID | 7139014 |
| Dimensions / Weight | |
| Key Features | |
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