Nice unit. EI is the best!
TR-1 Combo Package
Replace your needle gauges with new, accurate and reliable FAA, TSO’d digital instruments and reduce costly engine damage and/or unplanned downtime.
Master Warning Light
- The “Master Warning Light” assists the pilot in safely operating the engine by providing an immediate warning when a function exceeds a red line.
Maintenance Tattletale Light
- If a function exceeds a red line which could cause a maintenance issue, the “Maintenance Tattletale Light” will illuminate and will not go out. The stored data files will provide detailed data on the issue.
- This light can only be reset by maintenance personnel.
- Warnings can be configured based on function, value, and time.
- Early detection can significantly reduce maintenance costs.
Data Recorder (BC-5R)
- FAA-approved and TSO’d.
- Stores 5,000+ hours of data, every 0.33 seconds, for complete trend analysis.
- Flight and over-limit alert files can be easily downloaded via the USB port.
- A higher aircraft resale value is possible when you’re able to provide accurate aircraft records.
4 Premium TR-1 Instruments
- FAA approved and TSO’d.
- Standard 2″ mount.
- 3 year warranty.
Questions?
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Product Overview
Overview

TR-1 Overview

FAA Approved Instrument
- FAA TSO’d.
- Upgrade your aircraft panel with the best turboprop replacement instruments available.
Easy To Install
- TR-1 instruments fit into your existing 2″ hole.
Accurate, Dependable & Reliable
- Electronics International consistently has been a leader in digital engine instrumentation since 1979.
BC-5R Data Recorder Overview
The BC-5R is a multifunction Data Recorder encased in a 3.80″ x 2.64″ x 1.6″ gold-plated enclosure. The BC-5R can be mounted under the instrument panel or in an equipment bay. It comes equipped with a USB cable and data stick for accessing stored data.
Records Data On Up To 8 Instruments
- Engine & aircraft data recordings (Channels 1-7).
- GPS information (Channel 8).
- Export information into graphs to see & analyze trends.
- Use the BC-5R to prevent costly problems & safety issues.
Easy Downloads
- Easy downloads onto USB memory stick.
- View data on spreadsheets.

See and Prevent Problems:
- Use downloaded data to generate graphs quickly and easily.
- See good or potentially bad trends.

Prices
TR-1 Combo Package Retail Price
TR-1 Combo Package
- 4 Premium TR-1 Instruments.
- 3 year warranty.
- No Risk, three month money-back guarantee.
- 5,000+ hours of recording at 1/3 second per record.
- Priority service on warranties and orders.
- Free overnight shipping on warranties and orders (USA only).
- Warranties can often be handled by providing an exchange unit.
- 8130-3 airworthiness approval tag available at no charge.
- Within one year, return the combo package for a full credit towards an MVP-50T upgrade.
- Includes BC-5R Data Recorder.
$9,600 Retail
Description
Package
Retail Price
Specifications
TR-1 Specifications
Dimensions
2″ standard round, 4.23″ long
Weight
0.3 Pounds (instrument only)
Power Requirements
6 to 55 Volts
Typical: 0.075 Amps @ 28 Volts
Dimming
Auto (electric eye) and Manual
Environmental
DO-160G
Internal Storage
1,000 hours, RS232 port (premium only)
Certifications
FAA TSO’d -C43c, -C44c, -C45b, -C47a, -49b, -C55a

BC-5R Data Recorder Specifications
Dimensions
Box 3.88″ x 2.65″ x 1.80″
Weight
Box = 0.6 Lbs
Environmental
Meets DO-160C
Power Requirements
7.5 to 40 Volts
0.025 Amps @ 24 Volts
Input Lines 1 through 7
- Receives an RS-232 signal at baud rates of 9600, 19200, 38400, and 57600.
- RS-232 or UART Format: 8 data bits, 1 start bit, no parity, can be either normal or inverted polarity.
- Data must be terminated with a carriage return (0Dh) line feed (0Ah).
Input Line 8
- Receives a GPS RS-232 moving map signal at 9600 bauds, 8 data bits, 1 start bit, no parity.
- Receives a GPS RS-232 NMEA at 9600 bauds, 8 data bits, 1 start bit, no parity.
- All logic levels must meet the EIA RS-232 specifications.
Event Warning Lines
- By default, an “open” on an Event Warning Line will generate an “OFF” in the BC-5R record, and data will be stored at a rate determined by the Storage Interval setting. A “ground” on an Event Warning Line will generate an “ON” in the BC-5R record. A transition from “open” to “ground” will generate an “(OFF)” and a transition from “ground” to “open” will generate an “(ON)” in the BC-5R record.
- Line will generate an “ON” in the BC-5R record. A transition from “open” to “ground” will generate an “(OFF)” and a transition from “ground” to “open” will generate an “(ON)” in the BC-5R record.

Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Great product. [nothing else] can compete.
Good support when we called with particular questions with the initial setup. We liked the functions and the price.
Simple and Easy.
- Customer
Aaron H. from Washington
- Aircraft
Cessna 140
- EI Instrument
The installation was straightforward and quite easy. Reliability and accuracy far exceed the original [aircraft’s] oil pressure/temperature systems. Also, the price was about a third of the cost to replace the gauge cluster.
- Customer
Casey R. from Oklahoma
- Aircraft
Cessna 172M
- EI Instrument
[The EAC-1] looks great running… The wiring harness was very well fabricated. Installation was easy- fit perfectly in an existing hole in panel. The brightness of the display is excellent.
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
The [unit] is easy to read and quick to respond. I have multiple EI units and have had good experiences with all.
- Customer
Thomas C. from Maine
- Aircraft
Maule M-5-235C Luna Rocket
- EI Instrument
Great customer support. My A&P installed a CGR in a Comanche and liked it.
- Customer
Michael T. from Ohio
- Aircraft
PA28
- EI Instrument
My mechanic said that your product was very good, and he was correct.
Outstanding customer attitudes; prior experience said you’re the right company to do business with.
Original clock failed after MANY years of use. Got the same one as a replacement because original one worked so well.