CA-1 Carb and OAT Instrument

CA-1 Carb and OAT Instrument


  • Primary Replacement
  • 2 1/4″ Flush Mount
  • Displays Carb and Outside Temperature Readings
SKU: CA-1 Carb Category:
CA-1 Carb & OAT

Don’t Need Your Glasses To Read

  • Large digital backlit display.

Interpret Your Readings Faster

  • The digital display allows for quick trend analysis.

Budget Friendly

  • Same precision found in the most advanced analyzers on the market, but won’t break the bank.

Accurate, Dependable & Easy To Use

  • LCD sunlight viewable and backlit for night operation.
  • Electronics International consistently has been a leader in digital engine instrumentation since 1979.

CA-1 Carb Overview

CA-1 Carb & OAT

OAT and Carb Temp

Electronics International provides the budget-conscious pilot the option to monitor their Carburetor Temperature and Outside Air Temperature with the same precision found in the most advanced analyzers on the market, while not breaking the bank.

Ice Zone Warning

The CA-1 provides pilots with one channel of Carb Temp and one channel of OAT readings in a stable, one-degree digital format. An “Ice Zone” Warning Light alerts the pilot when either temperature is between 10 Degrees to 39 Degrees (Fahrenheit).

Retail Prices

Package includes:

  • A-1 Carb Instrument
  • 2 ea. P-128 Precision Probe
  • 2 ea. XP-6′ Precision Thermocouple Cable
  • Wire Harness
  • Operating & Installation Instructions
DescriptionRetail Price
CA-1 Carb & OAT


2.5″ x 2.5 ” x 2.65” Deep, 2 1/4” Flush Mount

7 oz. (Unit), 1.6 oz for a Temperature Probe & 2 oz for a 6′ Cable

Power Requirements
7.5 to 30 Volts, 1/10 Amp

Ice Zone Warning
Light is lit when displayed temperature is between 10’F and 39’F.

Viewable in direct sunlight, with dimmable 12 and 24 volt backlight control lines.

Intensity Control
Separate intensity control lines allow you to independently control Ice Warning Zone and Backlight intensity.

Type K Thermocouple, Ungrounded

CA-1 with Case

“Always built well. Always dependable. Been using & relying on EI equip for over 35 years!”

Customer:  Gregg J. from Indiana

Aircraft:  Piper PA-28-181

EI Instrument:  CA-1 Carb and OAT Instrument

“CA-1, great product.  So easy to read.”

Customer:  Don M. from Texas

Aircraft:  Cessna 182Q

EI Instrument:  CA-1 Carb and OAT Instrument


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