My interactions with EI were all very positive. When I ordered the Dual CGR 30 instruments I was told there would be about a 6 week delivery time. It took a little less than 4 weeks. I am extremely happy with the service and product.
P-128-S – Sealed Tip OAT/Carb Temp Probe
FAA Approved Instrument
- FAA TSO’d, PMA’d
- Accurate and stable, precise temperature measurements.
- For use in pressure environments, uses a precision connector.
- Robust Construction, stainless steel body.
- Perfected over decades of testing and field trials.
Compatible with:
A-1, CA-1, EAC-1, MVP-50P, CGR-30, and UBG-16
Questions?
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Product Overview

Prices
Retail Prices
Packages include:
- P-128-S – Sealed Tip OAT/Carb Temp Probe
- Installation Instructions
Description
Package
Retail Price
P-128-S – Sealed Tip OAT/Carb Temp Probe
-
$128

Specifications
Specifications
Typical Applications
OAT/Carb Temp Readings
Operating Range
-80° – 700°F Max
Certifications
FAA, TSO’d, PMA’d
Configuration
Type K, Ungrounded
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
You folks do a great job. Keep up the good work.
- Customer
Kevin D. from Missouri
- Aircraft
Cessna 172 Skyhawk
- EI Instrument
Always built well. Always dependable. Been using & relying on EI equip for over 35 years!
Incredible customer service.
Safety and simplicity!
- Customer
Andrew L. from Florida
- Aircraft
Piper PA-28-235 Cherokee Pathfinder
- EI Instrument
Very complete and thorough packaging. Well-prepped wiring harnesses. Quick and efficient turnaround time. Great communication throughout the process.
- Customer
Parker C. From Georgia
- Aircraft
Beechcraft Bonanza J35
- EI Instrument
Easy Install.
- Customer
Leslie S. from Connecticut
- Aircraft
Piper Arrow PA-28R-200
- 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
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
[EI’s FP-5L with Aux Carb Temp Option] gave me fuel flow & Carby temp & was easy to retrofit.
People [at EI] were great to work with.
- Customer
Andrew & Carri Ann M. from Alaska
- Aircraft
Piper PA-18-150 Super Cub
- EI Instrument
Great service. [I replaced/upgraded] unit in aircraft.
- Customer
Adam M. from NSW, Australia
- Aircraft
Piper PA-28-181 Cherokee
- EI Instrument