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R-1 RPM Tachometer Instrument
$700.00
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Description
R-1 RPM Tachometer Instrument
FAA Approved
- 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
- Electronics International consistently has been a leader in digital engine instrumentation since 1979.

R-1 Overview

Retail Prices

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
Note: order must specify range markings. See R-1 Configuration Worksheet in our downloads section for more information.
Description | Package | Retail Price |
R-1 Package | R-1 | $700 |
Specifications
Dimensions
2.50” H x 2.50″ W x 3.65″ D , 2 1/4” Flush Mount
Weight
10 oz (Instrument Only)
Power Requirements
7.5 to 35 Volts, Typical: 0.3 amps @ 12 Volts
Display
- Viewable in direct and indirect sunlight.
- 270 degree analog arc for quick reference.
Backlight
Fully backlit and dimmable for night flights.
Certifications
FAA TSO’d, STC’d

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