The CGR-30P is working great and it’s an outstanding addition to our avionics package.
FT-90 Fuel Flow Transducer
FAA Approved Instrument
- FAA TSO’d and STC’d with EI Instruments
- For 350 to 550 HP engines, or gravity-feed engines.
- Gold anodized aluminum body, 5.3 ounces.
- 1/4″ female NPT, 1.375 in. (H) x 1.620 in. (W) x 1.90 in. (L)
- 3 to 125+ GPH, .05 PSI drop at 20 GPH, .2 PSI drop at 40 GPH
Have a gravity fed engine?
Take a look at our FT-60, engineered for engines with an engine-driven fuel pump. See below for more details.
Questions?
8am–4:30pm PST M–F
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Product Overview
Model Comparison
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| Model | FT-60 | FT-90 | FT-180 |
| Engine Type | Up to 350 HP engines, engine driven fuel pumps only. | 350-550 HP engines, gravity fed engines. | 550 HP+ engines, engine driven fuel pumps only. |
| Fuel Flow | .6 to 70+ GPH | 2 to 125+ GPH | 2 to 250+ GPH |
| Connection | 1/4″ female NPT | 1/4″ female NPT | 1/4″ female NPT with #8 male flare adapters |
| Typical Use | Piston with Fuel Pump | Piston Gravity Fed | TurboProp |
| Specifications | Download Info Sheet | Download Info Sheet | Download Info Sheet |
Prices
Retail Prices
Packages include:
- FT-90 Transducer
- OLC-2 Connectors (3)
- Installation Instructions
Description
Package
Retail Price
FT-90 Fuel Flow Transducer
FT-90
$428

Specifications
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Documents & Manuals
Testimonials
Customer Testimonials
Your (customer) service is excellent!
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Thomas T. from Washington
- Aircraft
Piper PA-18-150
- EI Instrument
Have had EI instruments in my past plane and current plane and they always performed flawlessly.
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Gary M. from California
- Aircraft
Cessna 182Q Skylane
- EI Instrument
Straight up install no issues. Works as advertised!
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John L. from Georgia
- Aircraft
Piper PA-28-151 Cherokee Warrior
- EI Instrument
Responsive customer service, kudos to [customer service].
- Customer
James A. From Alabama
- Aircraft
Cessna 182B Skylane
- EI Instrument
Great company to deal with. Excellent customer service. [I chose this E.I. instrument because it’s] simple and easy to use.
- Customer
Dale C. from Ohio
- Aircraft
Cessna 182D Skylane
- EI Instrument
Good equipment at a good price. I have used your products before and have had great success.
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Ryan M. from Oregon
- Aircraft
Cessna 172L
- EI Instrument
I like the 3.125″ format. Plus there are no hidden costs of probes you have to buy later…
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Anthony H. from Oregon
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Piper PA-18 Super Cub
- EI Instrument
I have never had an issue with any EI products… it looks fantastic on the panel.
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Thomas A. from Oklahoma
- Aircraft
Beechcraft Bonanza E35
- EI Instrument
I have been installing avionics since 1996. This was THE BEST wire harness I have ever seen!
Easy Install.
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Leslie S. from Connecticut
- Aircraft
Piper Arrow PA-28R-200
- EI Instrument
The equipment is fantastic, very intuitive, and easy to use.
- Customer
Gregory S. From Brazil
- Aircraft
Air Tractor AT-502A
- EI Instrument
