GEM Advanced Magnetometers
GEM has had a long and growth-oriented history - starting as Geophysical Electromagnetic Systems, a consulting partnership. The company incorporated in 1980 as GEM Systems, Inc. and is now known in industry as GEM Advanced Magnetometers.
- 905 752 2202
- 905 752 2205
- info@gemsys.ca
- 135 Spy Court
Markham, Ontario L3R 5H6
Canada
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Overhauser magnetometer
Want the power of the latest technology in magnetics without the price? The solution that you are looking for is here today ? the state-of-the-art Overhauser magnetometer / gradiometer. The GSM-19 delivers all of the advantages of optically pumped magnetometers and gradiometers plus the parameters that are of priority to you as a user of magnetics data ? high quality data, cost control and ruggedness.
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SuperGrad Gradiometers
GEM?s solution for these types of installations is the Potassium SuperGrad. This special gradiometer is a system based on the Optically Pumped Potassium instrument ? a unique technology that was developed in response to the United States Geological Survey?s need for an ultra-high sensitivity magnetic gradiometer.
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Vector Manetometers
In the past, magnetic observatories relied on a combination of Overhauser, fluxgate and theodolite instruments for obtaining measurements. GEM then introduced the dIdD (delta Inclination / delta Declination) system for high precision results. Now, the dIdD has been enhanced significantly with the development of the Suspended dIdD system
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VLF Electromagnetics
VLF surveying relies on radio signals that are broadcast from navigation stations around the world. The principle is that these signals are deflected in certain ways when they pass through conductive ore or water-filled vertical-to-sub-vertial fractures in the earth. By monitoring these deflections, the position and, potentially, size of the target can be determined.
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Scalar Magnetometers
Many magnetic observatories today rely on a combination of scalar, fluxgate and theodolite instruments for obtaining measurements. Research installations engaged in volcanology applications are also using scalar magnetometers for stationary work. GEM?s Overhauser GSM-90 EUROMAG is particularly suited to these applications (and volcanology). This is a standard magnetometer without a display screen that can be operated via computer.
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Potassium Magnetometers
The optically pumped Potassium magnetometer / gradiometer / sensor is a technology that is uniquely available to GEM customers ? the result of more than a decade of research and development, and testing. Unlike yesterday?s generation of optically pumped Caesium magnetometers which represent 20 year old technology, the new Potassium system delivers the latest technologies in a choice of two configurations
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Precession Magnetometers
Proton
GEM offers the most advanced Proton Precession magnetometers available on the market today. Advanced Research and Development, and the release of the v7.0 version have led to a system that delivers the latest technology combined with the classic value of a standard Proton Precession type of system
