New Tachometer is amazing . . . Engine Performance analysis at a whole new level!
- Customer
Michael S. from S.C.
- Aircraft
1975 Grumman American AA5 Traveler
- EI Instrument
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.
Questions?
8am–4:30pm PST M–F
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Product Overview
R-1 Overview
Prices
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
$50 Rebate
Current Mail-in Rebate Happening!
$50 Rebate for the R-1 Package
Lead Time: Usually ships within 10-12 business days.
Specifications
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
Videos
Product Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Tach fits my panel nicely, was easy to install.
Good product; company is eager & willing to help
EI’s team is great; you guys are the best.
- Customer
Brian N. from Arizona
- Aircraft
Piper PA28RT 201T
- EI Instrument
Very happy with our new tachometer!
The R-1-6 is a great instrument. [I chose EI because of] quality.
- Customer
J. Gregg from North Carolina
- Aircraft
Cessna 172
- EI Instrument
Easy to install and everything you need inside package. Good price, nice instrument and simple to use.
- Customer
Pantelis K. from Greece
- Aircraft
Piper Seneca I
- EI Instrument
Works Great!
- Customer
Charlie M. From Texas
- Aircraft
American Champion 8KCAB Decathlon
- EI Instrument
Straightforward installation instructions, great wiring harness. Quick answers from Tech Support.
Outstanding Customer Service!!
The older EI ultimate engine analyzer that came with my plane that I bought 7 years ago has always worked flawlessly.
Looks great. Works great.
- Customer
Stephen W. N. from Texas
- Aircraft
Cessna 177 Cardinal
- EI Instrument