Nice Instrument, all the electrical information I need in one place. [I chose EI for its] performance and price.
- Customer
David C. from the United Kingdom
- Aircraft
Scottish Aviation Bulldog
- 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)
TR-1-NP-P Premium Package
TR-1-NP-P
$2,400
$300 Rebate
Bluetooth Field Calibration Device – Option
FCD-TR-1
$600

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

Nice Instrument, all the electrical information I need in one place. [I chose EI for its] performance and price.
Excellent Service, superb product.
I like being able to get a hold of a technical expert immediately when calling into the main EI phone number… The build quality of the sensors, display unit and EDC seem very good… I appreciate the business practices of EI and have had an EI R-1 Tachometer which has worked flawlessly for the past 20 years.
The older EI ultimate engine analyzer that came with my plane that I bought 7 years ago has always worked flawlessly.
Outstanding customer attitudes; prior experience said you’re the right company to do business with.
Excellent tech help…
Electronics International supports their products. Rare repairs are done quickly.
EI’s team is great; you guys are the best.
Met all my requirements; great support.
Nice product and fulfills the requirement.
We have other EI products currently and have always been satisfied.
I have been installing avionics since 1996. This was THE BEST wire harness I have ever seen!