Your products always work great! Great customer service and a quality product that we have used for years.
- Customer
Brenton C. from Tennessee
- Aircraft
Cessna 172M
- EI Instrument
Home / ei Products / Turboprop Engine Aircraft / TR-1-NP RPM Instrument
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.
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
Your products always work great! Great customer service and a quality product that we have used for years.
I really enjoy your products [because they are] simple and easy to use and affordable.
Just about to begin flying with the EI MVP-50P, so no in-flight feedback yet. But I did study the user manual, then sat in my plane going through the screens, menus, etc. It was very easy and intuitive to locate everything, so I’m confident that it will become second nature to do this in flight… Very happy with all interactions with EI.
Good engineering support.
Easy Install.
[Customer service] is great!
While the installation is not quite done yet, I have seen the unit in my aircraft with the engine running and the monitor producing numbers. It looks very good and I cannot wait to go flying with it!
I have used your products in every airplane that I have owned over the years and have never had a problem. Thank You
Much better quality with the bezel and buttons and knobs [vs. competition]. Also much easier to navigate and add fuel.
Great customer service!
The display is large and clear. The functions are simple and easy to use. Great purchase decision.
My mechanic said that your product was very good, and he was correct.