Metrolab masters four technologies: Nuclear Magnetic Resonance (Nuclear Magnetic Resonance. A resonance phenomenon seen when you irradiate a sample in a magnetic field with an RF field.... More) and Electron Paramagnetic Resonance (Electron Paramagnetic Resonance – same as ESR. More), Fluxmeters, Hall and Fluxgate. These cover a flux-density The range of a probe is defined by the minimum and maximum field strength it can measure. On an instrument,... More of ten orders of The magnetic field is a vector quantity. We may be interested in its individual components or its total magnitude. More, and include the world’s most precise techniques.