The BARFIELD DFQ40K Fuel Quantity Test Set is designed to test the
aircraft Fuel Quantity Indicating System (FQIS) for insulation, capacitance and to test the
operation and calibration of the indicating system.
The DFQ40K has the ability to measure the insulation
breakdown of tank units, wiring and connectors associated
with the system, capacitance of the tank units which measure
the level of fuel in the tanks and simulation of capacitances
required to test and calibrate the aircraft indicating system.
DFQ40K measures Low Resistances, DC Voltage & Indicator
The DFQ40K is also equipped to measure the
Distance To Fault to localize problems with the HIZ coax,
continuity of the Shield Monitor, if the aircraft is so equipped,
and Bonding tests to 0.001 Ohm resolution.
The Simulator section has been redesigned to permit direct
numeric entry of the desired Tank and/or Compensator
capacitance to be simulated using a numeric keypad.
Accuracy and reliability have been optimized with safety, portability, light weight, and the additional convenience of battery operation.
The Test Set is a portable unit enclosed
in a ruggedized plastic carrying case.
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