Anemometer Vane Type
Rotating vane anemometer measuring air velocity in ducts and HVAC systems. Classified 9031.80.80 as mechanical air flow measuring instrument.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral to industrial fans/blowers
Parts of fans classified with machinery.
If electronic digital air speedometers
Pedometers/speedometers electronic in 9029.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify vane diameter and velocity range
• Temperature compensation feature should be noted
• Hot-wire types may classify under electrical (9029)
Related Products under HTS 9031.80.80
Torque Tester Digital
Benchtop or handheld digital device verifying torque wrench accuracy. Falls under 9031.80.80 as other measuring instrument for mechanical force.
Dial Bore Gauge
Adjustable gauge set for precise internal diameter measurement in engine cylinders and holes. HTS 9031.80.80 covers this as a mechanical checking instrument not fitting other specific categories in the chapter.
Wall Thickness Ultrasonic Gauge
Portable ultrasonic device for measuring material thickness through corrosion monitoring. Falls under 9031.80.80 as other checking instrument, not automatic or optical.
Force Gauge Digital
Handheld digital instrument measuring push/pull forces in tension/compression testing. Classified 9031.80.80 as other measuring machine not specified elsewhere.
Lux Meter Digital
Handheld photometer measuring illuminance in lux for lighting design and safety compliance. Falls under 9031.80.80 as other light measuring instrument not radiation-specific.
Sound Level Meter Type 1
Precision integrating sound level meter (Class 1) for environmental noise monitoring. HTS 9031.80.80 covers acoustic measuring instruments not automatic.