External TPMS (Tire Pressure Monitoring System) sensors are devices that monitor the pressure and temperature of vehicle tires, providing real-time data to the driver. These sensors are designed to be easily installed and offer a convenient solution for maintaining optimal tire performance. In this comprehensive guide, we’ll delve into the technical specifications, installation considerations, and potential issues associated with external TPMS sensors, equipping you with the knowledge to make an informed decision.
Understanding External TPMS Sensors
External TPMS sensors are typically attached to the valve stem of the tire, allowing them to monitor the pressure and temperature of the tire. These sensors transmit the data wirelessly to a central control unit or a mobile app, enabling the driver to monitor the tire’s condition and receive alerts for any deviations from the recommended pressure or temperature range.
Technical Specifications
BLU TPMS External Bluetooth Tire Pressure Monitoring System
- Sensor Size: 0.97″ x 0.97″ x 0.767″
- Pressure Range: Up to 150 psi (no longer available)
- Battery Life: Sensors enter a ‘sleep state’ after a few minutes of no vehicle movement to conserve battery life
- App Compatibility: Free iOS or Android mobile app with push notifications for pressure and temperature deviations
- Warranty: 1-year warranty
Invtek Wireless Tire Pressure Monitoring System
- Bluetooth Version: Bluetooth 5.0
- Real-time Monitoring: Provides real-time monitoring of tire pressure and temperature
- Sensor Dimensions: 1.57″ x 1.57″ x 0.79″
- Pressure Range: 0-87 psi
- Temperature Range: -40°F to 176°F (-40°C to 80°C)
- Battery Life: Up to 5 years
- Connectivity: Bluetooth 5.0 with a range of up to 328 feet (100 meters)
- App Compatibility: iOS and Android mobile apps
- Warranty: 2-year warranty
Installation Considerations
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Valve Stem Compatibility: Ensure that the external TPMS sensors are compatible with the valve stems on your vehicle. Some vehicles, such as motorcycles with angled valve stems or those with tight clearances around the brakes, may not be suitable for external sensors.
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Sensor Alignment: Proper alignment of the external TPMS sensors is crucial to maintain tire balance and avoid any interference with the vehicle’s components.
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Secure Attachment: External sensors should be securely attached to the valve stem to prevent theft and ensure a tight seal, which is essential for accurate pressure readings and to avoid slow leaks.
Potential Issues
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Accuracy Concerns: Some users have reported inconsistent or inaccurate readings from external TPMS sensors, leading to false alarms or incorrect pressure information.
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Slow Leaks and Valve Stem Damage: Improper installation or the use of low-quality sensors can cause slow leaks or even damage the valve stem, compromising the tire’s integrity.
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Balancing Issues: The weight and positioning of the external TPMS sensors can affect the tire’s balance, potentially leading to vibrations or uneven wear.
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Sensor Theft: External TPMS sensors are more vulnerable to theft, especially if they are not securely attached to the valve stem.
Maintenance and Troubleshooting
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Sensor Battery Replacement: Regularly check the battery life of the external TPMS sensors and replace them as needed to ensure continuous monitoring.
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Sensor Recalibration: If you experience inconsistent readings or suspect sensor issues, refer to the manufacturer’s instructions for recalibrating the system.
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Sensor Replacement: If an external TPMS sensor is damaged or malfunctioning, replace it with a compatible model to maintain the system’s reliability.
Conclusion
External TPMS sensors offer a convenient solution for monitoring tire pressure and temperature, but it’s essential to carefully consider the installation requirements, potential issues, and maintenance needs. By understanding the technical specifications and following best practices, DIY enthusiasts can effectively integrate external TPMS sensors into their vehicles and enjoy the benefits of real-time tire monitoring.
References
- Amazon.com. (n.d.). Aftermarket Tire Pressure Monitoring Systems (TPMS). Retrieved from https://www.amazon.com/Aftermarket-Tire-Pressure-Monitoring-Systems-TPMS/b?ie=UTF8&node=2201765011
- Chigee. (n.d.). MFP0019 External Tire Pressure Sensor. Retrieved from https://www.chigee.com/products/tire-pressure
- Reddit. (2022, September 25). External TPMS sensors: Do the cons outweigh the pros? Retrieved from https://www.reddit.com/r/tires/comments/xngfge/external_tpms_sensors_do_the_cons_outweigh_the/
- Allied UTV Accessories. (n.d.). BLU TPMS External Bluetooth Tire Pressure Monitoring System. Retrieved from https://alliedutvaccessories.com/product/blu-tpms-external/
- Amazon.com. (n.d.). Wireless Tire Pressure Monitoring System with 4 External Sensors, 5. Retrieved from https://www.amazon.com/Invtek-Monitoring-Real-time-Temperature-Bluetooth/dp/B08GZPJXJM