Barfield 101-00542 Fuel Quantity Adapter Module (Boeing 727 / 737)
The Barfield 101-00542 is an aircraft specific adapter module for Barfield fuel quantity test sets. It connects the test set to the fuel quantity system of the Boeing 727 and 737 so technicians can test and calibrate the system without making up their own connections. It’s an accessory rather than a stand alone tester and it must be used with a compatible Barfield fuel quantity test set.
Key Features
- Aircraft-specific interface: configured for the fuel quantity indicating system of the Boeing 727 and 737 matching the aircraft connectors and wiring
- Designed for Barfield fuel quantity test sets: interchangeable adapter modules customize a base test set to a particular aircraft so one test set can serve many aircraft types
- Secure, accurate connections: reliable communication between the test equipment and the aircraft fuel quantity components
- Supports system testing and calibration: lets the test set exercise the fuel indicating system, probes, and indicators in line with the aircraft maintenance manual
- Supports troubleshooting: helps isolate faults in the fuel quantity circuit such as the indicator signal conditioning or wiring
- Simple setup: plug the module in and the test set is ready to work on the intended aircraft
- Ruggedly built for hangar and flightline use: designed to withstand regular handling
Typical Applications
- Scheduled fuel quantity system checks and accuracy verification
- Fuel quantity indicator and probe testing on Boeing 727 and 737 aircraft
- Troubleshooting erratic or inaccurate fuel gauge readings
- Calibration and adjustment in line with aircraft maintenance manual procedures
- MRO, airline, and avionics shop test equipment fleets
Why Choose It
Barfield 101-00542 An adapter module lets one Barfield test set cover a variety of aircraft with fast correct connections each time. Using the right module reduces setup errors and wiring mistakes and it speeds up fuel quantity testing and troubleshooting.





