R-1 RPM Tachometer

Part No: R-1

Every package is custom built to your POH/AFM. Please allow 5-7 days for shipment. Please specify range markings here.



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Electronics International R-1 RPM Tachometer

RPM Tachometer features 210 degree graphic analog display with green, yellow, and red LED's.

FAA ApprovedDigital Tachometer

  • FAA STC’d, TSO’d as a Primary Replacement.
  • Replace your existing tachometer.

Quick, Yet Stable Readings

  • Proprietary algorithms ensure the RPM reading is rock solid.
  • The fully backlit digital display allows for quick interpretations.

Accurate, Dependable & Easy To Use Aircraft Tachometer

  • Electronics International consistently has been a leader in digital engine instrumentation since 1979.
  • Designed and built in the USA.

Need Tachometer For Sale & Installation?

Gulf Coast Avionics provides top service for pilots and aviators around the world. Contact an avionics expert for panel recommendations for any aircraft or for information regarding this product.

Aircraft Tachometer Overhaul Available!

  • Speak with an expert toll-free at 800-474-9714 for recommendations on your aircraft today!


  • Accurate digital display

  • 10 RPM Resolution

  • Flight Timer

  • Tach Timer

  • Peak RPM Recorder

  • Connects to both "P" leads through isolators

  • LCD display for excellent viewing in direct sunlight

  • LCD is backlit for night operation

  • Operates from 7.5 to 35 volts at .3 amps.

  • Mounts in a standard 2 1/4" Hole. 3.65" depth

  • Included in the package

  • R-1 Instrument

  • RPM Isolators

  • A-102 3 1/8″ Adaptor Plate

  • RC-1 Tach Cable Port Cover

  • Wire Harness

  • Installation/Operating Instructions

  • STC


2.50” H x 2.50″ W x 3.65″ D , 2 1/4” Flush Mount

10 oz (Instrument Only)

Power Requirements
7.5 to 35 Volts, Typical: 0.3 amps @ 12 Volts


  • Viewable in direct and indirect sunlight.
  • 270 degree analog arc for quick reference.

Fully backlit and dimmable for night flights.


Questions & Answers

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R-1 RPM Tachometer


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