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A magnetometer is a device that measures magnetic ... Geometrics and Scintrex. Popular models include G-856/857, Smartmag, GSM-18, and GSM-19T. ... the price of three ...
A vibrating-sample magnetometer (VSM) (also referred to as a Foner magnetometer) is a scientific instrument that measures magnetic properties based on Faraday’s Law of Induction. Simon Foner at MIT Lincoln Laboratory invented VSM in 1955 and reported it in 1959. [ 1 ]
For exclusively long-period MT (frequencies below approximately 0.1 Hz), the three discrete broadband magnetic field sensors may be substituted by a single compact triaxial fluxgate magnetometer. In many situations, only the telluric sensors will be used, and magnetic data borrowed from other nearby soundings to reduce acquisition costs.
Magnetometers, instruments for measuring magnetic fields. Pages in category "Magnetometers" The following 8 pages are in this category, out of 8 total.
Tomograph, device and method for non-destructive analysis of multiple measurements done on a geometric object, for producing 2- or 3-dimensional images, representing the inner structure of that geometric object. See also: Category:Physiological instruments and Category:Medical testing equipment.
Surface-towed magnetometers allow for a wider range of detection but have lower precision than near-bottom magnetometers. [6] The most common type of magnetometer used for marine surveying is the fluxgate magnetometer. Fluxgate magnetometers utilize two ferromagnetic cores each wound with a primary coil (in opposite directions) and an outer ...
A SQUID (superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely weak magnetic fields, based on superconducting loops containing Josephson junctions. SQUIDs are sensitive enough to measure fields as low as 5×10 −18 T with a few days of averaged measurements. [ 1 ]
The result coming from the device is the difference in magnetic flux at that point in space, in other words, the result is the difference between what each of the magnetometers detects. Biaxial gradiometer. This device consists of three magnetometers measuring the gradient of the magnetic field in two directions. Triaxial gradiometer. This ...