Test benches
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors. > Test benches > Test benches
Duty Rate (from China)
Subheadings
Products classified under Tariff item 9031.20
ABS Brake Test Bench
An ABS brake test bench is a specialized testing platform that simulates anti-lock braking system conditions to evaluate modulation, pressure dynamics, and wheel slip control. It falls under tariff item 9031.20.00 as a test bench used for measuring and checking the performance of vehicle subsystems, which is not specified elsewhere in Chapter 90.
9031.20.00Automotive Engine Test Bench
An automotive engine test bench is a comprehensive testing system for internal combustion engines, measuring parameters such as power output, torque, emissions, and fuel efficiency under controlled conditions. It qualifies under tariff item 9031.20.00 as a test bench for evaluating engine performance, which is a measuring or checking application not covered by other headings.
9031.20.00Battery Cycle Life Test Bench
A battery cycle life test bench is a multi-channel system for testing lithium-ion and other batteries, performing charge-discharge cycling to determine capacity fade, impedance, and safety limits. It falls under tariff item 9031.20.00 as a test bench for measuring battery performance, which is a checking instrument not specified elsewhere in Chapter 90.
9031.20.00Compressor Performance Test Bench
A compressor performance test bench is a platform for testing air or gas compressors, measuring capacity, efficiency, leakage, and operational parameters across speed ranges. It is classified under tariff item 9031.20.00 as a dedicated test bench for compressor performance, excluding automatic regulators which are covered by heading 9032.
9031.20.00Electric Motor Dynamometer Test Bench
An electric motor dynamometer test bench is equipped with a dynamometer for loading and precisely measuring the performance of electric motors, including torque, speed, efficiency, and temperature profiles. It falls under tariff item 9031.20.00 as a test bench for motor performance testing, which is a measuring or checking application not specified elsewhere.
9031.20.00Fuel Injector Test Bench
A fuel injector test bench is a high-pressure testing system for common-rail fuel injectors, measuring spray pattern, flow rate, response time, and durability. It is classified under tariff item 9031.20.00 for precision fuel system component testing, as it is a test bench for checking injector performance.
9031.20.00Hydraulic Pump Test Bench
A hydraulic pump test bench is a system for evaluating hydraulic pumps and systems, measuring flow rate, pressure, efficiency, and cavitation under variable loads. It qualifies under tariff item 9031.20.00 as a test bench for fluid power component testing, which is a measuring or checking application not covered by other headings.
9031.20.00Transmission Gearbox Test Bench
A transmission gearbox test bench is a dynamometer-based system for testing automotive and industrial gearboxes, assessing shift quality, efficiency, noise, vibration, and harshness (NVH). It falls under tariff item 9031.20.00 for its role in systematic performance testing of gearboxes, which is a measuring or checking application.
9031.20.00Turbine Blade Test Bench
A turbine blade test bench is a system for testing wind or gas turbine blades, evaluating aerodynamic performance, fatigue, and structural integrity under simulated loads. It is classified under tariff item 9031.20.00 for specialized aerodynamic testing, which is a measuring or checking application not specified elsewhere in Chapter 90.
9031.20.00Valve Flow Test Bench
A valve flow test bench is a precision system for testing control valves and regulators, quantifying flow coefficients (Cv/Kv), pressure drops, and leakage rates. It falls under tariff item 9031.20.00 for hydraulic and pneumatic valve performance testing, which is a measuring or checking application not covered by other headings.