HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8479899560 | Doc | 32.5% | CN | US | 2025-05-12 |
8487900080 | Doc | 83.9% | CN | US | 2025-05-12 |
4011908050 | Doc | 58.4% | CN | US | 2025-05-12 |
4016996010 | Doc | 57.5% | CN | US | 2025-05-12 |
4016995500 | Doc | 57.5% | CN | US | 2025-05-12 |
9026204000 | Doc | 55.0% | CN | US | 2025-05-12 |
9026802000 | Doc | 55.0% | CN | US | 2025-05-12 |
9014804000 | Doc | 55.0% | CN | US | 2025-05-12 |
9014805000 | Doc | 55.0% | CN | US | 2025-05-12 |
9031808070 | Doc | 30.0% | CN | US | 2025-05-12 |
9031808060 | Doc | 30.0% | CN | US | 2025-05-12 |
8526100020 | Doc | 55.0% | CN | US | 2025-05-12 |
8526100040 | Doc | 55.0% | CN | US | 2025-05-12 |
8543706000 | Doc | 55.0% | CN | US | 2025-05-12 |
8543906800 | Doc | 55.0% | CN | US | 2025-05-12 |
3926903000 | Doc | 59.2% | CN | US | 2025-05-12 |
3901905501 | Doc | 61.5% | CN | US | 2025-05-12 |
3901909000 | Doc | 61.5% | CN | US | 2025-05-12 |
3914002000 | Doc | 55.0% | CN | US | 2025-05-12 |
3914006000 | Doc | 58.9% | CN | US | 2025-05-12 |
Tire Pressure Monitoring System (TPMS)
A Tire Pressure Monitoring System (TPMS) is an electronic system designed to monitor the air pressure inside pneumatic tires on vehicles. It reports real-time tire pressure information to the driver via a warning light or a digital display.
Purpose:
The primary purpose of TPMS is to improve vehicle safety and fuel efficiency. Underinflated tires can lead to:
- Reduced Fuel Economy: Lower pressure increases rolling resistance.
- Tire Damage: Underinflation causes excessive heat build-up and sidewall flexing, potentially leading to tire failure.
- Poor Handling: Affects steering responsiveness and braking performance.
- Increased Stopping Distance: Compromises vehicle control.
Function:
TPMS utilizes sensors installed within each tire to measure air pressure. These sensors transmit data wirelessly to a receiver module, typically located within the vehicle's Electronic Control Unit (ECU). When tire pressure falls below a pre-set threshold (usually 25% below the recommended pressure), the system triggers a warning to the driver.
Usage Scenarios:
- Daily Driving: Provides continuous monitoring of tire pressure.
- Long Road Trips: Crucial for maintaining optimal tire performance and safety during extended travel.
- Seasonal Temperature Changes: Air pressure decreases in colder weather, requiring frequent checks.
- Load Variations: Adjusting tire pressure based on vehicle load is important for handling and efficiency.
Common Types:
- Direct TPMS:
- Utilizes pressure sensors inside each tire, typically mounted on the valve stem.
- Provides individual tire pressure readings.
- More accurate and reliable.
- Requires sensor replacement during tire changes or when the battery expires.
- Indirect TPMS:
- Uses the vehicle's Anti-lock Braking System (ABS) wheel speed sensors to detect changes in tire rotation speed.
- A decrease in rotation speed indicates lower tire pressure.
- Less accurate than direct TPMS as it doesn't measure pressure directly.
- Does not provide individual tire pressure readings.
- May require a reset procedure after tire rotation or inflation.
Components:
- Wheel Sensors: Measure tire pressure (Direct TPMS) or monitor wheel speed (Indirect TPMS).
- Receiver Module: Processes data from the sensors.
- Warning Indicator: Alerts the driver to low tire pressure.
- Display (Optional): Shows individual tire pressure readings.
轮胎压力检测设备,根据提供的参考资料,相关HS代码如下:
-
9026204000: 测量或检查液体或气体流量、液位、压力或其他变量的仪器和仪表(例如流量计、液位计、压力表、热量表),不包括第9014、9015、9028或9032章的仪器和仪表;其零件和附件:用于测量或检查压力的:电气。
- 90: 测量、检查、分析或控制仪器、仪表及其附件。
- 26: 测量或检查液体或气体流量、液位、压力或其他变量的仪器和仪表。
- 20: 用于测量或检查压力的仪器和仪表。
- 40: 电气类型。
- 该HS代码适用于电气类型的压力测量仪器,轮胎压力检测设备如果采用电气方式测量压力,则可能适用此代码。基础关税为0.0%,加征关税为25.0%,2025.4.2后加征关税为30.0%,总税率为55.0%。
-
8526100020: 雷达设备、无线电导航辅助设备和无线电遥控设备:雷达设备,专为船艇或船舶安装设计。
- 85: 电气机器和设备,具有单个功能,未在本章中明确规定或包括;其零件。
- 26: 雷达设备。
- 10: 雷达设备。
- 00: 专为船艇或船舶安装设计的雷达设备。
- 如果轮胎压力检测设备采用雷达技术,并且专为船艇或船舶安装设计,则可能适用此代码。基础关税为0.0%,加征关税为25.0%,2025.4.2后加征关税为30.0%,总税率为55.0%。
-
9031808070: 测量或检查仪器、仪表、设备,未在本章中明确规定或包括;投影仪;其零件和附件:其他仪器、仪表和设备:测试内燃机特性的设备:其他。
- 90: 测量、检查、分析或控制仪器、仪表及其附件。
- 31: 测量或检查仪器、仪表、设备,未在本章中明确规定或包括。
- 80: 其他仪器、仪表和设备。
- 70: 测试内燃机特性的设备。
- 如果轮胎压力检测设备用于测试内燃机特性,则可能适用此代码。基础关税为0.0%,加征关税为0.0%,2025.4.2后加征关税为30.0%,总税率为30.0%。
请注意,具体适用哪个HS代码需要根据轮胎压力检测设备的具体功能、技术原理和应用场景进行判断。