AVL Fuel Mass Flow Meter and Fuel Temperature Control

Fuel consumption and conditioning

The AVL Fuel Mass Flow Meter and AVL Fuel Temperature Control combine high accuracy and excellent temperature stability with short measurement times 

AVL Fuel Mass Flow Meter and Fuel Temperature Control

Working in combination, the AVL Fuel Mass Flow Meter and AVL Fuel Temperature Control provide accurate continuous fuel consumption measurement and conditioning. Designed for testbeds running engines with up to 125 kg/h consumption, they are used by OEMs around the world. 

Stricter regulations with regard to CO2 and fuel consumption mean that engine maps have to be optimized very closely to the limits. At the same time, the number of engine maps needed due to new engine concepts and fuels is increasing. Transient measurements – as possible with the AVL Fuel Mass Flow Meter and AVL Fuel Temperature Conditioning Unit - reduce the time it takes to perform this optimization. 

consumption measure

Modular Design, Stable Performance

Highly precise and boasting excellent temperature stability, the modular design allows them to be combined with other systems. Accurate results even at low flow rates and with short measurement times make this a dynamic and flexible solution.

Fuel consumption is determined continuously in kg/h via direct mass flow measurement. Unlike volumetric measurement methods, it is not necessary to also determine the density alongside the measurement of the gravimetric or specific fuel consumption. This allows fuel consumption to be assessed up to an accuracy of 0.12 % for the entire system under real test bed conditions. 

Property Type AVL 735S/753C

Measurement principle

Mass flow
Measurement ranges
Mass flow
0 … 125 kg/h
Measurement uncertainty
≤ 0.12 % (acc. to DIN 1319)
Measurement frequency 20 Hz (analog)


consumption measurement
Accurate and Stable

Measurement accuracy of 0.12% through direct mass flow measurement.     High temperature stability of the fuel conditioning system.

Open System

Open continuous measurement system with no pressure changes in the measurement circuit due, for example, to temperature fluctuations.

Safe Operation

Built-in accuracy check and calibration according to ISO 9001.

Easy Installation

The system is designed to be easily installed for all gasoline or diesel injection systems using a specially developed pressure control system. This makes it possible to replicate realistic vehicle conditions on the testbed.

Testbed Versatility

A measurement range from 0 to 125 kg/h for engines up to 600 kW offers testbed versatility. Additionally, a calibration interval of 3 years and a built-in accuracy check compliant with ISO 9001 make this a robust and reliable system.

Measurement Accuracy

Fuel temperatures between 10 and 80°C can be preselected, guaranteeing high measurement accuracy and temperature stability. Furthermore, gas bubble separation and a bubble monitoring system ensure that the fuel supply is bubble free.

Product Description Fuel Temperature Control

AVL Fuel Consumption Measurement

AVL Fuel Reference
AVL Fuel Reference

Ensuring the efficient and professional calibration of AVL fuel consumption measurement devices according to ISO 17025.

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