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Home / Instruments / Electronics International / Engine Monitors (Primary) /Electronics International CGR-30 Primary Engine Monitor System - Certified
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Electronics International CGR-30 Primary Engine Monitor System - Certified

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Overview

IMPORTANT: Marking requirement form must be filled out at time of ordering. Please click the link below to download the PDF form. It must be filled out and emailed in before order can be processed.

CGR-30P Basic Package Configuration Worksheet *

CGR-30P Premium Package Configuration Worksheet *


FAA-Approved Monitor
  • FAA-Approved
  • Primary Replacement STC’d, TSO’d & PMA’d
  • Remove your old engine instruments, including RPM, Manifold, EGT/CHT, Fuel
  • Level, Oil Pressure and more!
  • Upgrade your aircraft panel with the best engine analyzer available.
Easy To Install Instrument
  • CGR-30P fits into your existing 3 1/8″ hole (remove your old tach).
  • Engine Data Converter (EDC) accepts all inputs. Only 2 wires run to the back of the instrument.
Accurate, Dependable & Easy To Use
  • Electronics International consistently has been a leader in digital engine instrumentation since 1979.
Data Recording of Every Flight
  • All monitored functions are stored up to three times per second.
  • Up to 1,500 most recent flights stored, downloaded via a USB port.


CGR - 30P Main Screen
  • The CGR-30P Premium Engine Monitor’s Main Screen displays the Tachometer and Fuel Flow in large analog arcs at the top of the instrument, providing immediate and quick reference values. The digital display provides accuracy in monitoring engine functions. The CGR Main Screen also features a complete, primary replacement EGT/CHT Bar Graph Engine Analyzer. Each cylinder is monitored by the CGR. If any EGT or CHT temperature rises above or below-programmed limits, the CGR provides an immediate alert. The EGT/CHT Bar Graph Analyzer features both Lean-of-Peak and Rich-of-Peak Modes for easy engine leaning. The CGR-30P will let you know as each cylinder peaks, at what temperature each cylinder peaks, and how far below Peak Temperature each cylinder is operating. To the right of the EGT/CHT Bar Graph Analyzer, the CGR-30P displays Fuel Remaining, Volts, and OAT.
EGT/CHT Bar Graph
  • The CGR-30P Engine Monitor features a state-of-the-art, full-color bar graph to assist with ROP/LOP leaning. Additionally, the bar graph provides both “normalized” and digital readout screens. No other bar graph in the industry comes close to providing the number of options the CGR-30P offers.
  • The CGR-30P Premium Engine Monitor’s Bar Graph can be easily “Normalized” to create a baseline from which to monitor in-flight engine temperature changes. When Normalized, all EGT or CHT bars will be displayed as equal in height. If any cylinder’s EGT or CHT changes in relation to the other cylinders, that cylinder’s bar height will no longer be shown at the same height as the others. Such information can be an essential indicator of engine problems.
Easy To Use Learning Mode

Monitor: Lean-of-Peak Mode
  • For Lean-of-Peak Operations, the CGR-30P Premium Engine Monitor informs the pilot as each cylinder peaks, at what temp each cylinder peaks, and how far from peak temp each cylinder is. For quick reference, every cylinder’s peak information is constantly displayed and “tattletale bars” are shown above each cylinder, indicating where each cylinder peaked.
  • Fuel Flow is displayed during the entire leaning process to assist in finding the optimal fuel-to-air mixture.
Monitor:Rich-of-Peak Mode
  • The number of degrees below Peak EGT is displayed on the first cylinder to Peak. Fuel Flow is displayed during the entire leaning process to assist in finding the optimal fuel-to-air mixture.
Fuel Management & GPS Interface

CGR-30P Premium Engine Monitor’s Fuel Management
  • Displays ‘Estimated Fuel Remaining Based on Fuel Flow’.
  • Displays ‘Fuel Used for Flight’ and ‘Since Last Fill-Up’.
  • May enable you to extend your flight time using a number of fuel management tools.
GPS Interface
  • Ties into panel or yoke-mounted GPS.
  • Displays distance and time to empty.
  • Stores GPS data in its recorded flight log.
The Fuel Data Screens, on the CGR-30P Premium Engine Monitor, provide six sets of data based on Fuel Flow and GPS information. This data includes Range, Distance to Destination, Range After Reaching Destination, Fuel Remaining, Fuel to Destination, Fuel Reserve, Time to Empty, Time to Destination, Time Reserve, Fuel Used for the Flight, Fuel Used Since Fuel Was Added, Economy (MPGs) and Total Fuel Onboard. Much of this data depends on an RS232 connection to your GPS.

Data Recording
  • Records all functions, every flight, up to 3 times per second.
  • See potential issues before they become major problems.
  • Quickly download data with a USB flash drive.

This screen, on the CGR-30P Premium Engine Monitor, allows you to download Flight Data to a USB flash drive and set the Data Sample Rate. The Data Sample Rate is the time interval between recorded data. The CGR-30P can record up to 1500 flights before it records over the oldest flight first. The USB port may be found mounted in the instrument panel or hanging under it. Flight Data is recorded and downloaded in a comma delimited format. This allows the file to be ported directly into Excel.

CGR-30P Twin Package
Easily replace several of your aircraft’s primary and non-primary engine instruments with the Twin CGR-30P Package. The STC’d and TSO’d CGR-30Ps can replace and consolidate many of your existing primary and non-primary instruments. Each CGR will mount flush through a 3 and 1/8 inch hole and will not protrude from your panel.

Specifications

  • 3.25h x g3.25h x 4.45h Depth
  • Weight: 1.1 Lbs.
  • Display of Primary and Non-Primary Gauges without Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT. Six on the Secondary Screen.
  • Environmental: Designed and Tested to TSO (DO-160G)
  • Software: Designed and Documented to TSO (DO-178B, Level C)
  • Minimum Performance Standards: TSO-C43c, TSO-C44c, TSO-C45b, TSO-C47a, TSO-C48a, TSO-49b and TSO-C55a.
  • Power Requirements: 7.5 to 30 Volts, 0.1 amps @ 24V (Typ), 0.2 amps @ 12 Volts
  • (Typ).
  • USB Port: For USB Memory Stick use only.
  • Display: Active Matrix TFT, 262,144 colors, Sunlight readable
  • Backlight: External control line, programmable levels.
  • Display of Primary Gauges with Red and/or Yellow Ranges: Five on the Main Screen + EGT and CHT. One on the Secondary Screen.

Documents

Reviews

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I couldn’t be happier with the performance of the CGR-30P I had installed in my Cherokee 180D about a year and a half ago. I replaced all of my fuel, oil & amp gauges and can now monitor more things than before with the sensor choices I made. An additional feature is the ability to easily download all kinds of flight data for analysis, which is a must for diagnosing engine and/or performance problems should they arise. Assistance with sensor choices before my purchase and Tech support during installation was top notch as well.

Bob H
June 27, 2022

Ive had the CGR-30P on my Cherokee Six for several years now. It works great and it is one of my most referenced instruments in the cockpit. The CHT monitor was critical in diagnosing an in-flight emergency on cylinder no. 4. It is also particularly useful and very accurate for monitoring fuel consumption in my four tank aircraft.

Flyerc
August 3, 2021

I purchased the 4 cylinder, Premium package. It took 10 weeks from ordering and my credit card being charged, to EI shipping the unit. They shipped it in a single-wall box, with the head unit hard up against the corner of the box, with no foam shock protection like typically electronic instruments should have. I am worried about the long-term reliability of the unit. Upon complaining to EI, they claimed this was their standard pachaging method, and had yet to cause any issues. I was offered a return or a $180 extended warranty.

Carsten
April 12, 2021

Q&A

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Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Can the engine harness of my existing E.I. UBG 16 be used for the CGR-30 instrument?

Yes, you can use the same probes. There is an upgrade package available from E.I. from the UBG-16 to the CGR-30.

Q: Can MP be added to the EI CGR-30-B?

No, manifold pressure only comes in the CRG-30-P and cannot be added to the -B verion.

Q: Does the EI CGR-30P-6-P come with all senders (RPM, EGT/CHT, Fuel flow, others)?

The CGR30P-6-P allows for 6 primary engine functions and the 6 you select will come with the required probes.

Q: For the EI CGR-30, can the user program alarms in addition to the required manufacturer&#-2957; limits? For example, I'd like a lower CHT alarm than the Cessna red line for my 182.

While the CGR-30 Primary Engine Monitor can technically be programmed to have a custom lower alarm limit for CHT, EI is bound to go by the limits set forth in the POH of your aircraft. The user cannot themselves, program this.

Q: Can the EI CGR-30 be configured to pick up GPS information from a handheld like a Garmin Aera 500?

Per EI, the CGR-30 can be configured to work with may portable GPS's such as the Aera 500. Please state which model you have when you at the time of order to ensure the correct cable is included.

Q: Can the CGR-30 basic show fuel pressure as a primary on the main screen?

Per EI, the CGR-30 cannot show fuel pressure as a primary on the main screen.

Q: Is it possible to download the engine parameters to a computer, to check engine malfunctions and keep data records?

CGR-30P records engine information from 1 to 3 times per second. You can insert a USB stick and download all of your engine information and view it on your computer with a spreadsheet program such as excel.

Q: Does installation of the CGR-30 allow for removal of the fuel gauges as a primary replacement?

As the CGR-30 is a primary replacement instrument. You would not need to keep your original fuel gauges.

Q: Can the flight log be reset or turned off?

Per the manufacturer: No, FAA regulations state that engine monitoring systems can not be reset or turned off.

Q: Is there a way to connect a second CGR-30 display for a tandem seat?

The CGR-30 does support this if you have two displays.

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