Aviation's Panel Mount Avionics Installation Leader

The 2” TR-1-TQ provides exceptional performance, reliability and is offered in two options: Standard or 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.

FAA Approved Instrument

  • FAA TSO’d
  • Upgrade your aircraft panel with the best turboprop replacement instruments available.

Easy To Install

  • TR-1 instruments fit into your existing 2″ hole.

Accurate, Dependable & Reliable

  • Electronics International consistently has been the leader in digital engine instrumentation since 1979.
  • Designed and built in the USA.

Available Data Recording of Every Flight

  • 1,000+ hours at 1 sec. per record for trend analysis and logging exceedances.

  • Standard two-inch round (MS28042-1A mount), 4.23″ long.
  • Rugged and reliable design (unlike many old needle gauges).
  • Optional RS-232 input and output port to interface with EEC’s, FADEC’s and other devices.
  • Custom calibration (mapping) for unparralled accuracy.
  • Optional two open-collector (pull-down) for controlling external warning lights or props (0.1 Amps max).
  • Optional ARINC 429 compatible via the BC-5 (contact EI Support for details).
  • Available Bluetooth connectivity, great for remote fleet calibration and data downloads.

  • 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

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.