Porosimeter Electrical Control Board
PCB control board for mercury porosimeters analyzing material porosity in research labs. HTS 9027.90.59 as electrical part for porosity checking instruments. Manages pressure sensors and data acquisition.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If automatic process controllers
Automatic regulators of 9032 if controlling process variables beyond analysis.
If parts of automatic data processing machines
Boards principally for ADP machines in 8473 per Section XVI notes.
If multi-function industrial boards
Control panels/boards of 8537 if not dedicated to specific Chapter 90 apparatus.
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Import Tips & Compliance
• Declare chipsets and firmware details to prove analysis-specific programming
• Obtain EPA compliance statements for hazardous material testing equipment
• Avoid bulk electronics shipments mixed with general PCBs to prevent scrutiny
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