Metrolab’s new generation of magnetic field camera is based on precise pulsed-wave NMR technology.
The miniaturized probe produces high-density probe arrays, to map any pre-clinical, extremity or whole-body MRI magnet as well as any NMR spectroscopy magnet.
Cameras to map any magnet
Probe-array geometries. The classic Metrolab design – MFC9046 – supports any spherical DSV from 150 mm to 600 mm. The new MFC9146 maps cylindrical DSVs as small as 10 mm in diameter and 28 mm in length.
Extended rangeThe range of a probe is defined by the minimum and maximum field strength it can measure. On an instrument,... More and unbeatable precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More
Maps magnetic fields from 200 mT to 25.8 T (1 GHz) at a precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More of 10 ppbParts per billion, or 10-9. 1 ppb is 10-7 % - not very much at all! More (0.01 ppmParts per million, or 10-6. Bigger than a ppb, but still pretty darn small. More).
RampingThe process of injecting current to bring the field up to the operational field. Used particularly for superconducting magnets. More then mappingThe process of measuring magnetic field intensity at many different points, in order to understand the structure of the field... More
By including a wide-range probeThe actual sensor that is placed in the magnetic field. The NMR probe contains the NMR sample; the Hall probe... More in the middle of the probe arrayFor Metrolab's Magnetic Field Camera, the probe array is a semi-circular plate holding up to 32 NMR probes. More, the magnet may be followed during rampingThe process of injecting current to bring the field up to the operational field. Used particularly for superconducting magnets. More and mapped with just one fixtureSee jig. More.
High tolerance to field gradientIn this context, gradient refers to the spatial variation of the magnetic field. More
The robust system searches and detects the NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More signal in a gradientIn this context, gradient refers to the spatial variation of the magnetic field. More of 1.35 mT/cm in a 1T field (1350 ppmParts per million, or 10-6. Bigger than a ppb, but still pretty darn small. More/cm).
Established in 1985, Metrolab Technology SA is a Swiss company based in Geneva. We are the global market leader for the development and manufacture of precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More magnetometers, which are used to measure high-intensity magnetic fields to a very high degree of precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More.
About the technology
MRI and NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More spectroscopy applications require a highly uniformSee homogeneous. More magnetic field. NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More is the only magnetic measurement technology capable of generating a magnetic field map with a high degree of precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More.
“In the development of our new extremity MRI magnet, the choice of the metrology instruments was critical. PrecisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More, reliability and potential to scale-up to production were the key selection parameters, all for a 160 mm DSV! The recently launched MFC9046 from Metrolab is the only NMR-based instrument offering a multiprobe array for this DSV. Based on Pulsed NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More technology, it achieves best in class precisionPrecision is how closely multiple measurements will be clustered. Also called reproducibility or repeatability. In everyday speech, often confused with... More of 10 ppbParts per billion, or 10-9. 1 ppb is 10-7 % - not very much at all! More.
We are proud of our collaboration with Metrolab and to have been the first ones to use such a small Magnetic Field Camera with 14 sensors deployed over 160 mm diameter halfmoon!”
Liu Yu, R&D Manager, Shandong Aoxin Medical Technology Co. LTD, Weifang Shandong, China.
“A primary consideration in building an NMRNuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More magnet is to achieve the spatial field uniformity required for high resolutionResolution measures the ability of a magnetometer to distinguish ("resolve") two nearly identical field values. Related to precision, but not to... More spectroscopy. An as-built magnet, whether HTS or LTS, will rarely achieve the desired level of bare-magnet uniformity and so the magnetic field around the sampleThe NMR sample is the material placed in the magnetic field, whose proton spin resonates when an RF field of... More zone is mapped and corrected (“shimmed”), in the case of an HTS magnet by careful placement of ferromagnetic elements in the boreThe centre of a solenoidal magnet, where the magnetic field is concentrated. More of the magnet. The process is iterated until the desired field profile is achieved, typically yielding a field error of no more than a few parts per million, ppmParts per million, or 10-6. Bigger than a ppb, but still pretty darn small. More.
This level of resolution in a high background field places significant demands on the mapping tool and since the most precise technology to measure magnetic fields is NMR itself, we employ Metrolab’s MFC2046 NMR magnetic field camera for the task. A small probe array, MFC9146, consisting of an array of NMR sensors is used to map the surface of the target cylindrical volume, allowing rapid and accurate measurement of the local field and providing a dependable basis for the critical shimming operation.”
Donald Pooke, CTO at HTS-110, Lower Hutt, New-Zealand.
