Model Number: Smith Industries 4001KTQ/1/003

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Speed Tester

To view click here: Standard Warranty Policy   4001KTQ/1/003 Operation Manual

Aero Express will buy, sell and trade the 401KTQ/1/003 depending on your needs.  This unit provides for high accuracy testing of various functions of Rolls Royce RB211 engines under static or running conditions.  It also incorporates controls to facilitate the checking of the bleed valve control unit fitted to the RB211-535 engine.


  • Interconnecting cables and carrying cases for the cables are provided as accessories
  • Front panel and all connectors, switches, controls and meters mounted on the unit are sealed to prevent ingress of moisture
  • Each item/control on the panel is referenced with a number marked in red for ease of identification

90-Day Warranty


Express Calibration is an Authorized ISO-17025 Calibration and Repair shop for the Smith Industries 4001KTQ/1/003.  Visit for full capabilities.

All units will be sold with a current calibration certificate. If factory new, a manufacturer’s Certificate of Conformance (C of C) will be provided.

Since its inception, Express Calibration Services has supported Aero Express’ endeavors in providing test equipment support services.

They perform calibrations for General Aviation, Corporate Aviation, OEMs, FAA Repair Stations, Military, as well as Regional and Air Transport Airlines. Express Calibration Services offers their services when you have a requirement for calibration or repair of your test equipment