I like how the kits ship with everything needed for install and the wire labeling was very helpful.
- Customer
Nathan V. from Alaska
- Aircraft
c-150
- EI Instrument
8am–4:30pm PST M–F
[mbhi location="Main"]
Our TR-1 provides exceptional performance, reliability and features. If you need to replace or overhaul an old failing instrument, consider buying one of our TR-1s from a company which has been designing quality aircraft instrumentation for over 40 years. Purchasing our TR-1 is substantially less expensive than overhauling or replacing your old needle gauge. We’re able to make this offer with a money-back guarantee because we’re confident you’ll love the performance, reliability and features these instruments offer.
| Amps | AOA | Bleed Air Temp | Cabin Pressure |
| Diff Air Pressure | EGT | EPR | Fuel Flow* |
| Fuel Level | Fuel Pressure | Hyd | ITT* |
| NG/N1* | NP/N2* | O2 Pressure | OAT |
| Oil Pressure | Oil Temp | TAT | TGT |
| Torque* | TOT | Volts | And More! |
* See Product Page
We offer one package option for our TR-1 instruments: Premium. The Premium TR-1 package is targeted for customers that need to minimize AOG time.
Bluetooth Field Calibration Device [FCD-TR-1] (add $600)
Current Mail-in Rebate Happening!
$300 Rebate for the TR-1 Premium Packages

Dimensions
2″ standard round, 4.23″ long
Weight
0.3 Pounds (Instrument Only)
Power Requirements
6 to 55 Volts
Typical: 0.075 amps @ 28 Volts
Dimming
Auto (electric eye) and Manual
Environmental
DO-160G
Internal Storage
1,000 hours, RS232 port
Certifications
FAA TSO’d -C43c, -C44c, -C45b, -C47a, -49b, -C55a

I like how the kits ship with everything needed for install and the wire labeling was very helpful.
Excellent installation instructions [&] recommend[ed] by others.
Looks Great, and intuitive to use. Packs a lot of information in a tight area, yet, I don’t need my glasses to read it!
The equipment is fantastic, very intuitive, and easy to use.
Met all my requirements; great support.
Great product. So easy to read compared to the originals.
Easy to install, and the CGR was set up to my aircraft’s exact specifications.
Awesome product. Fast easy installation.
. . . the kit looks very well built and the company I fly for . . . has had a very good experience with your products and your customer support.
Good reviews and I don’t have to modify my panel. Additionally, the reps at Oshkosh were extremely helpful and answered all my questions.
Great product, frees up space
Very complete and thorough packaging. Well-prepped wiring harnesses. Quick and efficient turnaround time. Great communication throughout the process.