Vendor of Differential fuel flow meter DFM D is Technoton.
Differential fuel flow meter DFM D is designed for diesel fuel consumption measurement on vehicles, diesel generators, locomotives, boilers and burners. DFM D measures fuel consumption as the difference in volume of fuel flowing through the supply and return fuel lines. DFM D is used both autonomously and as a part of fuel monitoring system. It allows to monitor real fuel consumption and engine operation time and detect fuel consumption tampering.