I really appreciate the quality of communication about my order. The instrument offers the right functionality (being a primary instrument) in the right form factor for my application.
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.
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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.
$8,000 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.

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Documents & Manuals
Testimonials
Customer Testimonials
I love my new EGT. Very accurate and has ambient air temperature so I know how cold my engine is before I start it. Easy to see lighting.
- Customer
Don K. from Wisconsin
- Aircraft
Piper PA-28-150
- EI Instrument
Keep it up. I’ll keep coming back.
Great company to deal with. Excellent customer service. [I chose this E.I. instrument because it’s] simple and easy to use.
- Customer
Dale C. from Ohio
- Aircraft
Cessna 182D Skylane
- EI Instrument
Phone service for ordering was quick and easy. Shipping was quick.
Great service. [I replaced/upgraded] unit in aircraft.
- Customer
Adam M. from NSW, Australia
- Aircraft
Piper PA-28-181 Cherokee
- EI Instrument
Easy installation.
Excellent Service, superb product.
- Customer
Steven N. from Colorado
- Aircraft
Cessna 182E Skylane
- EI Instrument
You folks do a great job. Keep up the good work.
- Customer
Kevin D. from Missouri
- Aircraft
Cessna 172 Skyhawk
- EI Instrument
Very impressed with the clarity and readability of the CGR-30P gauge.
- Customer
Richard K. from New York
- Aircraft
Piper PA-28-181 Archer III
- EI Instrument
I have never had an issue with any EI products… it looks fantastic on the panel.
- Customer
Thomas A. from Oklahoma
- Aircraft
Beechcraft Bonanza E35
- EI Instrument
[I chose EI because they offer a] certified replacement vs. back-up only and they look great.
- Customer
Nic C. from South Carolina
- Aircraft
Piper PA-28 Cherokee
- EI Instrument