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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.

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.

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.