📂 Category 902910

 
 
90
9029
9029 10
 - Compteurs de tours ou de production, taximètres, totalisateurs de chemin parcouru, podomètres et compteurs similaires
 - - - autres

📖 About this code

This code covers electric or electronic devices designed to measure and display the rotational speed of engines or other rotating components, specifically intended for installation and use in civil aircraft. These counters are crucial for monitoring engine performance and operational parameters.

Electric or electronic revolution counters, for use in civil aircraft

📦 Example products classified here

  • Aircraft revolution counter
  • Engine speed indicator for aircraft
  • Civil aircraft tachometer
  • Aircraft engine RPM display
  • Electronic propeller counter
  • Turboprop revolution counter
  • Rotational speed measurement instrument
  • Aircraft engine cycle counter
  • Airliner RPM indicator
  • Business jet revolution counter
  • Revolution counting system
  • Electronic speed counter
  • Aircraft engine performance indicator
  • Commercial aircraft tachometer
  • Digital engine speed display
  • Light aircraft revolution counter
  • Onboard rotation measurement instrument
  • Light aircraft tachometer

🚫 NOT classified here

  • × Revolution counters for industrial machinery (not aircraft)
  • × Revolution counters for vehicles (cars, trucks, trains)
  • × Simple mechanical revolution counters
  • × Flight data recorders (which may include RPM data but are not solely revolution counters)
  • × Engine control units (ECUs) that process RPM but do not primarily display it
  • × General purpose electronic counters
  • × Revolution counters for marine applications

⚠️ Easily confused codes

Double-check: these codes cover similar but distinct products.