Cylinder Head Temperature gauge (CHT) measures the cylinder head temperature of an engine.

“Safety and simplicity!”

Customer:  Andrew L. from Florida

Aircraft:  Piper PA-28-235 Cherokee Pathfinder

EI Instrument: C-6 CHT Instrument 6 Cylinders

Date:  5/11/2023

OPT-1 Oil Pressure and Temperature Instrument Image

“Easy install and great gauges. Previous experience showed that EI’s units were a great price and even better instrument. Being able to install the gauge as a primary instrument was a major plus.”

Customer:  Logan from Montana

Aircraft:  Cessna 172B

EI Instrument: OPT-1 Oil Pressure and Temp Instrument

Date:  5/3/2023

“Awesome Tech Support. Like the functions it supports and the fit and look in the panel.”

Customer:  Brian M. from California

Aircraft: Mooney M20F Executive 21

EI Instrument:  CGR-30P Engine Monitor – Premium

Date:  5/2/2023

“Easiest company to deal with and an awesome product! Price, Certified for Primary, and Features.”

Customer:  Justin E. from California

Aircraft: Mooney M20F Executive 21

EI Instrument:  CGR-30P Engine Monitor – Premium

Date:  5/2/2023

CGR-30P Basic Engine Monitor

“Very impressed with the clarity and readability of the CGR-30p guage.”

Customer:  Richard K. from New York

Aircraft: Piper PA-28-181 Archer III

EI Instrument:  CGR-30P Engine Monitor – Basic

Date:  4/27/2023

Always very friendly and knowledgeable staff. Over time, I have purchased six different EI instruments for the two planes I own. The instruments are easy to install, very accurate, and dependable. EI has very stable and easy-to-operate instruments compared to other competitors.

Customer:  Art R. From Arizona

Aircraft:  Cessna 182P Skylane

EI Instrument:  USB-6A Smart Charger

Date:  4/26/2023

“I have worked with your products before and I like them.”

Customer:  David K. from New Mexico

Aircraft: Cessna T20N Turbo Centurion II

EI Instrument: R-1 RPM Tachometer Instrument

Date:  4/20/2023

M-1 Manifold Pressure

“I have several EI units in my aircraft and have been very pleased with their reliability over the years. The other great part, besides the unit themselves, is the support from you all. Thank you for your support over the years… I chose IE for your reputation for quality and pricing. I have been very pleased with my units. My graphic engine analyzer, fuel flow meter, volt/amp meter, RPM and now Manifold gauge.”

Customer:  Boyd G. from Arizona

Aircraft:  Cessna 182J Skylane

EI Instrument:  M-1 Manifold Pressure

Date:  4/14/2022

CGR-30P Basic Engine Monitor

“Excellent Service. Superb Product.”

Customer:  Steven N. from Colorado

Aircraft: Cessna 182E Skylane

EI Instrument:  CGR-30P Engine Monitor – Basic

Date:  4/13/2023

CGR-30P Basic Engine Monitor

“Awesome Product! Great product and fantastic support!”

Customer:  David B. from Texas

Aircraft: Cessna 182Q Skylane

EI Instrument:  CGR-30P Engine Monitor – Basic

Date:  4/12/2023

“[EI’s FP-5L with Aux Carb Temp Option] gave me fuel flow & Carby temp & was easy to retrofit.”

Customer:  Dom M. from Australia

Aircraft:  Van’s Aircraft RV-6

EI Instrument:  FP-5L Fuel Computer

Date:  4/11/2023

“Looks Great, and intuitive to use. Packs a lot of information in a tight area, yet, I don’t need my glasses to read it!”

Customer:  Bill M. from Connecticut

Aircraft: American Champion Citabria 7KCAB

EI Instrument:  CGR-30P Engine Monitor – Premium

Date:  4/9/2023

OPT-1 Oil Pressure and Temperature Instrument Image

“Good value and functionality. I’ve used your instruments on multiple aircraft thru the years with no issues. These are a nice upgrade over the original instruments in most older aircraft.”

Customer:  Todd M. from Ohio

Aircraft:  Cessna 195

EI Instrument: OPT-1 Oil Pressure and Temp Instrument

Date:  4/9/2023

“Excellent Service, superb product.”

Customer:  Steven N. from Colorado

Aircraft: Cessna 182E Skylane

EI Instrument:  CGR-30P Engine Monitor – Premium

Date:  4/6/2023

“Good to go! Excellent instructions and easy install. Outstanding instrument!”

Customer:  Mark L. from Washington

Aircraft:  Cessna 170B

EI Instrument:  VA-1A Volts/Amps Instrument

Date:  4/5/2023

“EI has the best customer service of any company that I’ve ever dealt with.”

Customer:  Greg J. from Georgia

Aircraft: Beechcraft C23 Sundowner

EI Instrument:  CGR-30P Engine Monitor – Premium

Date:  4/5/2023

CGR-30P Basic Engine Monitor

“Outstanding support. From the friendly demeanor of whoever answers the phone to all the way to [their sales representative]. Your CGR-30 series is superb.”

Customer:  Darrell Lea M.

Aircraft: Piper L-21B Super Cub

EI Instrument:  CGR-30P Engine Monitor – Basic

Date:  4/4/2023

OPT-1 Oil Pressure and Temperature Instrument Image

“Really glad to have accurate oil psi and temp! [It’s a] match with previous [EI] installs.”

Customer:  Nathan V. from Alaska

Aircraft:  Cessna 172C

EI Instrument: OPT-1 Oil Pressure and Temp Instrument

Date:  4/3/2023

EAC-1 EGT/OAT/CHT 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.”

Customer:  Bryant H. from Texas

Aircraft: Cessna 172M

EI Instrument:  EAC-1 EGT/OAT/CHT Instrument

Date:  3/23/2023

CGR-30P Basic Engine Monitor

“People [at EI] were great to work with.”

Customer:  Andrew & Carri Ann M. from Alaska

Aircraft: Piper PA-18-150 Super Cub

EI Instrument:  CGR-30P Engine Monitor – Basic

Date:  3/23/2023