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Buy, sell, trade-in or rent King 3800 Tachometer Tester.


Avionteq offers both new and refurbished or used King 3800 Tachometer Tester for sale or rent at most competitive price. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus King 3800 or receive trade-in credit towards purchase of other test equipment.


King 3800 Features and Specifications *

The King Nutronics Model 3800 is used to calibrate and troubleshoot aircraft and helicopter tachometer indicators and generator / alternator systems on the flight line and in the workshop. It is simple and designed with intuitive front panel controls for efficient and convenient testing.


  • The compact tachometer tester weights only 19 lbs. making it very lightweight and convenient to use. 
  • Quiet operation
  • Standard AND 20005 drive pad
  • Intuitive front panel controls for efficient testing
  • Accurate to within ±0.02% of set point value
  • Calibrates jet engine tachometers as percentage of full scale from 1% to 120%
  • Stores up to 4 user-programmable test scenarios for both Tacho-Gen and Tacho-Indicator (in addition to the standard scenario)
  • Calibrates 2 and 4-pole generators, as well as RPM and % indicators
  • Calibrates optical tachometers from 500 to 65,000 RPM with the (optional) Optical Tachomete Kit
  • Calibrates electrical and cable-driven tachometers
  • Normal operating range from 1 to 6,500 RPM
  • Manual Adjust mode for easy tachometer troubleshooting
  • Internal Wye-connected and delta-connected load banks 


* King 3800 technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the 3800 such as the models sold by Avionteq.

Van Nuys Airport (VNY), Van Nuys, CA 91406 USA