How many years can an external tire pressure monitoring system last?

1 Answers
SanElliana
07/29/25 12:10pm
An external tire pressure monitoring system can last 2 to 3 years. When the battery runs out, the system will stop working, but it can be used again after replacing the battery. The principle of the external tire pressure monitoring sensor is to use a plunger to push open the valve core, and the air pressure impact received by the sensor is the internal tire pressure. The sensor cleverly uses the thread of the fixed dust cap to secure it to the valve stem. Direct tire pressure monitoring systems can provide more advanced functions, measuring the actual instantaneous pressure inside each tire at any time, making it easy to identify the faulty tire. Indirect tire pressure monitoring systems are not as accurate as direct systems and cannot determine the faulty tire at all. Moreover, system calibration is extremely complex, and in some cases, the system may fail to work properly, such as when the tire pressure of both tires on the same axle is low.
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