Innovation and Reliability Since 1980

Application/Instrumentation Overview

The following table provides a quick reference for identifying a suitable system based on the type of work that you are doing as well as your performance and budgetary considerations.

To find your area of interest in the table quickly, select from one of the links below. When you find one or more solutions that appear to meet your needs, you can view related detailed information in PDF format or request a quick quotation.

 

For ease of reference, the table lists the type of instrument (Overhauser, Potassium or Proton Precession) as well as GEM’s model number with codes defined as follows:

A” – Airborne
C” – Continuous measurement
D” – Inclination/Declination
F” – Fast
P” – Potassium
S” – Multiple sensors
T” – Proton precession
W“- “Walking” mode

 

Application Solution Model Benefits/Applicability
Airborne

Advanced Airborne Systems

GSMP-35A,
GSMP-35GA,
GSMP-35GA3

  • A Potassium Airborne Magnetometer delivers superior counting, gradient tolerance and sensitivity while minimizing dead zones and heading errors.
  • A reliable choice for airborne hydrocarbon and mineral exploration applications where maximum resolution is required.
Archeology/Archaeology

Potassium

GSMP-35

  • Optically Pumped Potassium combines high efficiency with very high resolution for characterizing subtle anomalies in soils and weakly magnetic objects.
  • Superior gradient tolerance for working in urban environments.
Archeology/Archaeology Overhauser

GSM-19, GSM-19G,
GSM-19W,
GSM-19GW

  • “Walking” Overhauser provides high efficiency and sensitivity comparable to Cesium magnetometers.
  • A cost effective instrument for diverse archeological applications, ranging from mapping ancient cities to battlegrounds and burial mounds.
Diamond & Other Mineral Exploration

Overhauser

GSM-19W, GSM-19GW

  • “Walking” Overhauser magnetometer/gradiometer provides greatest efficiency combined with high sensitivity.
  • Industry standard for mineral exploration worldwide with built-in GPS option.
  • Unique advantages for working in low magnetic latitudes, including optional omni-directional magnetic sensors and maximum magnetic signal generation.
Diamond & Other Mineral Exploration Overhauser

GSM-19, GSM-19G

  • “Standard” Overhauser gradiometer/magnetometer provides discrete station sampling combined with high sensitivity.
  • Overhauser has unique advantages for working in low magnetic latitudes, including optional omni-directional sensors and maximum magnetic signal generation.
Diamond & Other Mineral Exploration Proton Precession

 

GSM-19TW,
GSM-19TGW

  • “Walking” Proton Precession is the highest sensitivity/lowest noise walking proton precession system available.
  • An alternative to Overhauser systems where budgetary restrictions apply.
Education and Research

Overhauser

GSM-19W, GSM-19GW

  • “Walking” Overhauser provides latest technology for institutions who want to maximize investment for teaching and research purposes.
  • Students learn from using easy-to-use, industry-standard technologies while researchers benefit through high resolution instrumentation for high quality academic results.
Education and Research Proton Precession

GSM-19TW, GSM-19TGW

  • “Walking”Proton Precession magnetometer/gradiometeris the highest sensitivity/lowest noise walking proton system available.
  • An alternative to Overhauser systems where budgetary restrictions apply.
Education and Research Proton Precession

GSM-19T, GSM-19TG

  • “Standard”Proton Precession is the highest sensitivity/lowest noise proton precession system available.
  • A low cost and easy-to-use system for educational purposes.
Education and
Research
Potassium

GSMP-35
GSMP-35G

  • For advanced research in very high sensitivity applications.
  • Easy-to-use system for educational purposes.
Environmental and Engineering

Potassium

GSMP-35,
GSMP-35G

  • Optically Pumped Potassium combines high efficiency with very high resolution for characterizing subtle anomalies in soils and weakly magnetic objects.
  • Superior gradient tolerance for working in urban environments.
Environmental and Engineering Overhauser

GSM-19W, GSM-19GW

  • “Walking” Overhauser provides high efficiency and sensitivity comparable to Cesium devices.
  • A cost effective instrument for diverse environmental and engineering applications, ranging from buried drum detection to geologic mapping.
Earthquake Hazards

EUROMAG

GSM-90F1,
GSM-90F5, GSM-90

  • Economical system with excellent long-term monitoring characteristics for stationary applications.
  • Provides a range of sampling intervals according to requirements for measuring high and low frequency magnetic field variations.
Earthquake
Hazards
Overhauser

GSM-19W, GSM-19

  • Advanced fast-cycling system with excellent long-term monitoring characteristics for both stationary and portable applications.
Earthquake
Hazards
Overhauser

GSM-19FC

  • Advanced very fast-cycling system with excellent long-term monitoring characteristics for stationary applications.
Earthquake
Hazards
SuperGrad

GSMP-20S3

  • Three-sensor gradiometer with ultra-high sensitivity for stationary applications. The most sensitive gradiometer available for sophisticated measurements.
Magnetic
Observatory

EUROMAG

GSM-90F1,
GSM-90F5, GSM-90

  • Economical stationary magnetometer/gradiometer with excellent long-term monitoring characteristics.
  • Provides a range of sampling intervals according to requirements for measuring high and low frequency magnetic field variations.
Magnetic
Observatory
Overhauser

GSM-19W, GSM-19

  • Advanced fast-cycling magnetometer/gradiometer with excellent long-term monitoring characteristics for both stationary and portable applications.
Magnetic
Observatory
Overhauser

GSM-19FC

  • Advanced very fast-cycling magnetometer/gradiometer with excellent long-term monitoring characteristics for stationary applications.
Magnetic
Observatory
dIdD

GSM-90F5D,
GSM-90FD

  • Fast-cycling and standard-cycling vector magnetometer for continuous monitoring of the earth’s magnetic field.
Magnetic
Observatory
SuperGrad

GSMP-20GM3

  • SuperGradiometer designed for specialized stationary applications that require the most demanding specifications.
Unexploded Ordnance (UXO)

Potassium

GSMP-35,
GSMP-35G

  • Optically Pumped Potassium combines high efficiency and high sampling with very high sensitivity for locating and characterizing UXO targets.
  • Superior gradient tolerance for working in urban environments.
Unexploded Ordnance (UXO) Potassium UAV

GSM-35U

  • “UAV” Potassium Magnetometer provides light weight sensor for high sensitivity.
Volcanology

EUROMAG

GSM-90F1,
GSM-90F5, GSM-90

  • Economical stationary magnetometer/gradiometer with excellent long-term monitoring characteristics.
  • Provides a range of sampling intervals according to requirements for measuring high and low frequency magnetic field variations.
Volcanology Overhauser

GSM-19W, GSM-19

  • Advanced fast-cycling magnetometer/gradiometer with excellent long-term monitoring characteristics for both stationary and portable applications.
Volcanology Monarch UAV

GSMP-35UT

  • Advanced UAV magnetometer/gradiometer for imaging the total magnetic field surrounding a volcano for 4D time lapse monitoring applications.
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