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MFC3045 Magnetic Field Camera

Magnetic Field Camera: mapping for MRI applications

Sales of the MFC3045 main unit ended in December 2019. It is succeeded by the MFC2046.

Introduced 20 years ago, the Magnetic Field Camera MFC3045 has reached the end of its commercial life. It is succeeded by Metrolab’s new-generation Magnetic Field Camera Solution MFC2046. Built on the superior sensitivity of the NMR magnetometer PT2026, the MFC2046 can be delivered with a choice of two probe-array geometries.

We will also stop the sales of new custom designs of the MFC3048 Probe Array, but until further notice, you will be able to reorder any existing MFC3048 Probe arrays.

31’000 CHF

NMR Main unit

(prices are indicative)

Mapping for comparison with field model


Decay monitoring


A complete system, designed for industrial use

The computational heart of the Magnetic Field Camera is the MFC3045 Main Unit, housed in a tough aluminum case, placed at the base of the magnet to be mapped. It processes up to 32 NMR channels in parallel.

    Probe arrays position NMR probes precisely

    The NMR probes are precision-mounted, typically in a semi-circular pattern on a lightweight and perfectly flat composite base plate. The MFC3048 Probe Array is completed by a shielded cover and a 4 m long cable, with an industrial-strength multi-pole connector to connect the Probe Array to the Main Unit. A simple normalization procedure minimizes any remaining probe-to-probe variations. Each Probe Array is specifically tailored to your magnet, and requires specifying the number of probes, the shape, and the field strength. For a supplemental engineering and tooling charge, Metrolab will build a non-standard configuration to your specifications.

    A choice of jigs complete the positioning job

    To produce a 3D map, a jig revolves the MFC3048 Probe Array in the target area. Metrolab offers the MFC3039 Probe Array Holder for horizontal, solenoid type magnets, and the MFC3040 for vertical, dipole type magnets. Both jigs, manually operated, provide positioning accuracy of a fraction of a millimeter. The MFC3039 attaches to the mounting bolts on the front and back faces of the magnet, whereas the MFC3040 mounts on the lower pole.

    Complete maps in under five minutes, by a single technician

    The MFC3045 operates under computer control, usually with the Metrolab-developed WinMFC software. A remote control unit, connected to the Main Unit, allows the operator standing near the magnet to initiate a mapping cycle once he has placed the jig at the correct angle. The MFC3046 power supply unit, which is sensitive to magnetic fields, is generally placed near the computer.

    NMR field maps – faster and better

    Metrolab’s Magnetic Field Camera system has revolutionized field mapping for MRI magnets. The acquisition time has been reduced roughly two orders of magnitude, from several hours to a few minutes. In addition to reducing human errors and remaps, rapid mapping avoids inconsistencies due to the drift of the magnet. The probe positioning error has been also been reduced by an order of magnitude, greatly improving the reproducibility. It is no wonder that all leading MRI magnet manufacturers have adopted Metrolab’s Magnetic Field Camera system for all their new developments.


    Other NMR Magnetometers

    PT2026 核磁共振特斯拉计 世界上最精确的磁力计

    The world’s most precise magnetometer: a brand-new, all-digital design


    New-generation NMR field mappers, for MRI and small-bore magnets


    Product accessories

    MFC3048 Probe Array

    MFC3039 Probe Array Holder horizontal

    MFC3040 Probe Array Holder vertical

    MFC3045 – Transit Case

    Probe Array normalization template

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