Flow Sensor Silicon Chip
Thermal mass flow sensor using semiconductor heater/resistor pairs to transduce fluid flow via heat dissipation. HTS 8541.51.00.00 for semiconductor-based flow transducers in medical ventilators and HVAC. Silicon micromachining creates isolated thermal sensing elements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If flow/liquid level instruments
Complete flowmeters with transducers under Chapter 90.
If turbocharger parts
Mass airflow sensors for engines under Chapter 84/85.
If medical instrument parts
Transducers in medical devices classified under Chapter 90.
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Import Tips & Compliance
• Flow range and media compatibility matrices essential for classification support
• Biocompatibility certs for medical flow sensors; FDA registration may apply
• Declare as cleanroom fabricated to emphasize semiconductor manufacturing
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