Airfield Refuelling

When kerosene is pumped from the airfield distribution system into an aircraft by a pump truck, the volume of fuel is recorded as standard. However, since the density varies according to pressure and temperature, it is not possible to make precise statements about the mass. For this reason, samples are taken from the tank farm throughout the day and handed over to the pilot for calculation of the mass. With the DLO-M2_ex sensor from TrueDyne, you can collect the necessary data on the density during the process and use them to calculate the mass (V-ρ=m).

Together with the volumetric measurement, the density can be used to calculate the mass of the fuel in kilograms, which is then handed over to the customer. In addition, the density provides important information about the quality of the fuel, which is another safety feature in flight operations.

1. Standardised volumetric measurement in litres. 2. Installed in a bypass line, the density sensor DLO-M2_ex measures the density directly on the pump truck. Thanks to the compact design of the sensor, it can also be retrofitted into the process. 3. The kerosene is pumped from the airfield distribution system into the aircraft.

Density sensor DLO-M2_ex for liquids

The DLO-M2_ex sensor for use in hazardous areas according to ATEX: II1G and IECEx: Zone 0 measures the density of liquids in a microelectromechanical system (MEMS system). Thanks to the measurement in the MEMS system, the sensor is only 30 x 83 x 15 mm³ small and can be installed even in tight spaces. The high-precision measurement results are immediately available, allowing continuous measurement during the running process.