I have worked with and installed a few of your competitors’ and your systems. EI instruments’ ease of use and installation make these systems my go-to choice and number one recommendation to customers.
P-104 Universal Temp Probe
FAA Approved Instrument
- FAA TSO’d, PMA’d
- Accurate and stable, precise temperature measurements.
- Used to measure surface temperatures, 700°F Max.
- Robust construction.
- Perfected over decades of testing and field trials.
Compatible with:
MVP-50P, CGR-30, UBG-16, E-1, E-1P, E-2, E-4, E-6, EAC-1, EC-1, EC-1P, EC-2, TC-1P, C-1, C-2, C-4, C-6
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Product Overview

Prices
Retail Prices
Packages include:
- P-104: Universal Temp Probe
- Installation Instructions
Description
Package
Retail Price
P-104: Universal Temp Probe
-
$128
Specifications
Specifications
Type
Screw Down, #6 Hole Size
Certifications
FAA, TSO’d, PMA’d
Max Operating Temp
700°F
Configuration
Type K, Ungrounded
Videos
Documents
Documents & Manuals
Testimonials
Customer Testimonials
Excellent customer service. Without a doubt the best aviation part I have purchased.
- Customer
Alan B. from Florida
- Aircraft
Reid and Sigrist R.S.1 Snargasher
- EI Instrument
Great product. [I chose EI because] you have no competition.
Excellent installation instructions [&] recommend[ed] by others.
- Customer
Ben C. from Alaska
- Aircraft
Piper PA-22-160
- EI Instrument
Love the situational awareness that the CGR-30 Combo gives me. Easy to read and understand displayed information.
[I chose the CGR-30P because of its] ease of use.
- Customer
Chris M. from Pennsylvania
- Aircraft
Piper PA-28 Cherokee
- EI Instrument
Staff appears to be very helpful when assistance is needed in verifying information. Heard good things about it [EI] from personal known aircraft owners.
- Customer
Zarick J. from Florida
- Aircraft
Mooney M20J 201
- EI Instrument
Good support when we called with particular questions with the initial setup. We liked the functions and the price.
The older EI ultimate engine analyzer that came with my plane that I bought 7 years ago has always worked flawlessly.
Electronics International is an exceptional company with exceptional products… Oregon company, great products and great people.
Your (customer) service is excellent!
- Customer
Thomas T. from Washington
- Aircraft
Piper PA-18-150
- EI Instrument
Phone service for ordering was quick and easy. Shipping was quick.