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To measure flow, we have developed a groundbreaking method that aims to push the limits of conventional flow measurement devices. Our method uses the inherent properties of nuclear spins in a fluid as magnetic markers to perform precise measurements. The fluid is first magnetized and then magnetically marked. Then the magnetic markers are measured in a time-of-flight measurement. Our method differs significantly from a nuclear magnetic resonance-based approach because here the magnetization of the fluid is static and no frequency is generated as in conventional nuclear magnetic resonance experiments.

Advantages of quantum magnetic flow metering

• Non-invasive
• Very high precision
• High velocity range (> 1:10)
• Suitable for austenitic stainless-steel pipes
• Applicable to a broad range of fluids
• Applicable to Newtonian and non-Newtonian fluids
• Method applicable to liquid hydrogen

Exhibit

We will present our clamp-on demonstrator. The device enables magnetic-marking-based flow metering with optically pumped magnetometers.