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.
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
Questions?
8am–4:30pm PST M–F
[mbhi location="Main"]
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
Love the situational awareness that the CGR-30 Combo gives me. Easy to read and understand displayed information.
Big improvement over old cluster (gauges). Good customer service.
- Customer
William P. from Louisiana
- Aircraft
Cessna U206
- EI Instrument
After a full IFR install on my Cessna 175, my two favorite instruments without question is the CGR-30 Combo set. Simple and customizable, the data is invaluable!
Simple and Easy.
- Customer
Aaron H. from Washington
- Aircraft
Cessna 140
- EI Instrument
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.
Met all my requirements; great support.
- Customer
James Q. from Texas
- Aircraft
Falco F8L
- EI Instrument
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
Easy install and great gauges. Previous experience showed that EI’s units were… great prices and even better instruments. Being able to install the gauge as a primary instrument was a major plus.
- Customer
Logan from Montana
- Aircraft
Cessna 172B
- EI Instrument
Easy Install.
- Customer
Leslie S. from Connecticut
- Aircraft
Piper Arrow PA-28R-200
- EI Instrument
We have other EI products currently and have always been satisfied.
Good product; company is eager & willing to help