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 two package options for our TR-1 instruments: Standard and Premium. The Standard TR-1 package is designed to meet the price point for customers wanting rugged and reliable replacement instruments at a great price. The Premium TR-1 package is targeted for customers that need to minimize AOG time.
High Torque Transducer (add $380)
High & Low Torque Transducers (add $628)
Bluetooth Field Calibration Device [FCD-TR-1] (add $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 (premium only)
Certifications
FAA TSO’d -C43c, -C44c, -C45b, -C47a, -49b, -C55a
I have heard only great words about EI… Won’t be able to install till at least April but I know you are very helpful when it comes to questions.
The [unit] is easy to read and quick to respond. I have multiple EI units and have had good experiences with all.
Awesome Tech Support. Like the functions it supports and the fit and look in the panel.
We chose your product because of the great support and reputation your company sustains.
I have never had an issue with any EI products… it looks fantastic on the panel.
I have seen your products in other aircraft and have seen their reliability.
Great product, frees up space
Good value and functionality. I’ve used your instruments on multiple aircraft thru the years with no issues. These are a nice upgrade over the original instruments in most older aircraft.
Love the look and having every piece of info in front of me… Better price and look [versus competition].
I have used your products in every airplane that I have owned over the years and have never had a problem. Thank You
Great customer service!
[EI’s FP-5L with Aux Carb Temp Option] gave me fuel flow & Carby temp & was easy to retrofit.