Tire pressure sensor (Tire Pressure Monitoring System – TPMS) is an electronic system mounted on the wheel, which is responsible for monitoring and warning about the pressure status of each tire.
According to statistics from the American Trucking Association, about 75% of tire-related accidents stem from improper pressure, showing the importance of using TPMS.
Thanks to the sensor, tire life is increased, driving is safer, and fuel consumption is reduced.
Currently on the market, there are 2 popular types of car tire pressure sensors: internal valve tire pressure sensors and external valve tire pressure sensors with prominent brands such as: Steelmate, Fobo Tire, Xiaomi, Michelin, Careud, and Icar.
To choose the optimal TPMS sensor, you need to pay attention to some criteria such as: classification, power source, features, brand, price and vehicle compatibility.
In short, using tire pressure sensors is a smart investment in the safety and performance of your vehicle. Learn more car tire pressure sensor to make the best decision for your vehicle.
A tire pressure sensor (TPMS) is a compact electronic device that is attached to a tire to monitor and warn about tire pressure and temperature in real time. When tire pressure is lower or higher than the allowable threshold (usually ±25% compared to standard pressure), the system will warn on the dashboard so that the driver knows and can handle it promptly.
Each sensor consists of the following main components: Pressure sensor, temperature sensor, battery, antenna and transmitter.
Thành phần | Function |
Pressure sensor | Uses MEMS (Micro-Electro-Mechanical Systems) technology to measure the air pressure inside the tire. When the pressure changes, the sensor membrane will deform and generate a corresponding electrical signal. |
Temperature sensor | Measures the temperature inside the tire, helping to compensate for the effect of temperature on tire pressure. |
Pin | Provides power to the sensor to operate. Batteries typically last 5-10 years depending on the type. |
Antennas and transmitters | Transmits tire pressure and temperature data to the vehicle's receiver via radio waves. |
As the vehicle moves, the sensor will continuously measure tire pressure and temperature, then transmit data wirelessly to the vehicle's central control unit. If the tire pressure is lower or higher than the allowable threshold (usually ±25% compared to the standard pressure), the system will warn on the dashboard so that the driver knows and can handle it promptly.
You should install tire pressure sensors to extend tire life, ensure traffic safety, save energy consumption and protect the environment.
According to a report from the Vietnam Automobile Manufacturers Association, on average, about 30% of car tires fail prematurely each year due to incorrect pressure. Using TPMS helps drivers easily detect tire-related problems such as:
From there, timely measures can be taken to avoid the situation of the tire being "overloaded" leading to rapid deterioration. Experts estimate that maintaining tire pressure at the standard level can extend tire life by 20-30%.
Pressure differences between the wheels will cause the vehicle to fall into an unbalanced state, negatively affecting the smoothness, stability and controllability. According to research, under-inflation of just 0.5 bar can increase the braking distance by up to 30% and make the vehicle more susceptible to sideslip when cornering.
Thanks to TPMS constantly monitoring pressure, the driver can proactively make adjustments to ensure that the tire is always in optimal condition. This not only increases the safety of the vehicle's occupants but also helps protect other road users.
Data from the National Highway Traffic Safety Administration (NHTSA) shows that for every 1% decrease in tire pressure, fuel consumption increases by 0.3%. This is because underinflated tires increase rolling resistance, forcing the engine to use more fuel to maintain speed.
Thus, maintaining tire pressure at standard levels thanks to TPMS will help save fuel costs significantly, while limiting toxic emissions into the environment. This is a practical contribution to the global climate change response.
There are 2 types of popular car tire pressure sensors on the market: Internal valve tire pressure sensors and external valve tire pressure sensors.
Internal valve tire pressure sensor is a type of sensor designed to measure the air pressure inside the tire directly. Instead of being installed on the outside of the tire valve like other types of sensors, this sensor is integrated right inside the valve body.
Advantages of internal valve tire pressure sensor:
Disadvantages:
The external valve tire pressure sensor is a device that is installed directly on the valve head of a car tire. It measures the air pressure inside the tire and transmits data to a central receiving device, usually a display screen on the car or an application on a smartphone.
Advantages of external valve tire pressure sensor:
Disadvantages of external valve tire pressure sensors:
Function | External valve sensor | Internal valve sensor |
Installation location | Outside the tire valve | Inside the tire valve |
Accuracy | Lower | Higher |
Anti-theft ability | Low | High |
Billing | Low | High |
installation | Easy | Difficult |
The types of car tire pressure sensors that are highly appreciated on the market include: Steelmate, Fobo Tire, Xiaomi, Michelin, Careud, Icar.
Steelmate was established in 1993, is a large and famous brand of automotive electronic components manufacturing in China. Steelmate has continuously improved and developed high-quality tire pressure sensor product lines, meeting the diverse needs of users.
The brand provides 2 types of tire pressure sensor products including internal and external valves with the following lines: TP-MT30, TP-MT11, TP-MT11 PRO tire pressure sensor, Steelmate MT-11 tire pressure sensor...
Outstanding features of Steelmate tire pressure sensor:
Fobo Tire is one of the famous tire pressure sensor brands, trusted by many users. Fobo Tire sensor provides detailed information about the pressure and temperature of each tire, helping you grasp the tire situation quickly and accurately.
Some outstanding features of Fobo Tire:
Xiaomi's tire pressure sensor not only has an impressive design but also has an affordable price. In the Vietnamese market, this brand is popular thanks to its good quality, reasonable price and diverse designs. The outstanding advantages of the product include:
Michelin is one of the prestigious brands in the tire industry, also famous for its external tire pressure sensor products.
Below are the outstanding features of Michelin tire pressure sensors:
With an external valve design, the Michelin tire pressure sensor allows users to easily install it at home, providing convenience and efficiency in monitoring tire condition.
Careud tire pressure sensor, originating from China, stands out with its superior quality. This product is equipped with an LCD screen to display information, using direct power from the vehicle, giving users peace of mind without worrying about battery problems.
Careud TPMS offers many benefits, including:
Icar is a prominent Vietnamese brand, specializing in developing accessories and toys for cars. Icar's tire pressure sensor product line is very diverse, with prices ranging from 2 to 15 million VND, suitable for the needs of many different customers.
Icar TPMS is popular thanks to its outstanding advantages such as:
With these outstanding features, Icar tire pressure sensor is the top choice for those who care about vehicle safety and performance.
When choosing a tire pressure sensor for your car, you need to consider the type of sensor (internal or external), power source (rechargeable battery or solar), and features (display screen, phone connection). You should also choose a reputable brand, consider price and quality, and make sure the sensor is compatible with your car before installing.
Choosing between internal or external tire pressure sensors will affect aesthetics, safety and cost. Internal sensors are highly appreciated for their durability and aesthetics, but the installation cost is often higher. On the contrary, external sensors are easier to install and cheaper but are more susceptible to theft.
Tire pressure sensors typically use rechargeable batteries or solar power. Each has its own advantages and disadvantages. Rechargeable battery sensors need to be replaced periodically, while solar sensors are dependent on light conditions.
In addition to the tire pressure measurement function, many modern sensors also integrate additional features such as:
Depending on your needs, consider choosing the right car sensor line.
Choosing a reputable brand is important to ensure product quality and durability. Products from big brands often have good warranties and are more trusted by users.
Price is a factor that many people care about when choosing to buy tire pressure sensors. However, you should not be too frugal but consider the quality and accompanying features.
Before purchasing, you need to carefully check whether the sensor is compatible with the type of valve of your car and other features of the car. Installation should be done by reputable auto garages to ensure accuracy and safety.
No, the tire pressure sensor only has the function of warning when the tire pressure is abnormally low or high, but cannot automatically inflate the tire. When receiving the warning, the driver needs to proactively check and inflate the tire to the standard pressure level.
the kinds car sensor Common ones include: Car tire pressure sensors, position sensors, velocity and speed sensors, acceleration sensors, pressure sensors, temperature sensors...
Most modern tire pressure sensors use a dedicated radio frequency (usually 315MHz or 433MHz) and are immune to interference.
However, in rare cases, mobile phone waves can cause interference and make the sensor unstable. In this case, it is necessary to check and remove the sources of interference near the sensor.
Tire pressure sensors can detect and warn when tire pressure drops suddenly due to a puncture. However, if the puncture is small and causes a slow leak, the warning may not appear immediately. Therefore, drivers still need to pay attention to tire condition and check regularly.
Temperature can affect tire pressure and sensor accuracy. As temperature increases, tire pressure also increases, and vice versa.
However, most modern tire pressure sensors are capable of compensating for temperature effects, with errors typically no more than ±1 PSI over the normal operating temperature range of -40°C to 125°C.
Yes, many tire pressure sensors are specifically designed for off-road use, with the ability to withstand strong vibrations and shocks. However, due to harsh conditions of use, the sensor's lifespan may be reduced and more frequent inspection and maintenance will be required.
Transferring tire pressure sensors from an old car to a new car is possible if the sensor is compatible with the TPMS system on the new car. However, this process requires specialized knowledge and skills, and often requires specialized equipment to reprogram the sensor. It is best to have it done by a professional or a reputable auto repair shop to ensure safety and accuracy.
After replacing a new tire, it is usually not necessary to recalibrate the tire pressure sensor if the same sensor type and tire specifications are used. However, if a different size or specification tire is replaced, or a new sensor is replaced, it may be necessary to recalibrate the TPMS system using specialized equipment to ensure accurate operation.
Advantages of wireless automotive tire pressure sensor the:
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