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Configure

Selecting the Optimal System

To help you identify the instrumentation best suited to your geophysical and scientific needs, GEM has developed the Application Configurator. The Configurator comprises three tables.

The Application Configurator table shows the Sampling Interval (in seconds), Mode (Slow, Walk, Fast and Super Fast) and Sensitivity (in nT). It also relates these values to specific Product Families:

  • GSM-19T (Proton Precession)
  • GSM-19, 19W and 19 (Overhauser)
  • GSM-30 (Potassium)
  • GSM-20GS (SuperGrad)

Observatory products are based on the Overhauser technology. Therefore, for basic details on these systems, refer to the GSM-19 configurations.

The Recommended Instrumentation table gives an overview of the magnetometer models that apply for Ground, Airborne and Stationary work and complements the Application Configurator.

The Application/Instrumentation Selection table provides an overall summary of the instrumentation that is available for the following applications.

Quotations and Further Information

After looking at the Application Configurator, you may want to further ask about instrumentation and GEM is always pleased to assist you with a complimentary quotation. For a quotation, click here.

Before requesting a quote, you may also want to refer to the following references for detailed information on:

Application Configurator

Sampling
Interval (sec)
3 2 1 0.5 0.2 0.1 0.05
Mode Slow Slow / Walk Slow / Walk Walk Fast Super Fast Super Fast
Sensitivity (nT/Hz1/2)
0.2 GSM-19TW GSM-19TW GSM-19
0.1 GSM-19T
0.05 GSM-19W
0.022 GSM-19W
0.015 GSM-19 Pro GSM-19 Pro
0.005
0.002
0.0025 GSMP- 35/40 GSMP- 35/35A GSMP- 35/35A GSMP- 35/35A
0.0007 GSMP- 40 GSMP- 30A/40 GSMP- 30A/40 GSMP- 30A/40
0.0002 GSMP-
20GS3
GSMP-
20GS3
GSMP-
20GS3
0.0001 GSMP-20GS
0.00005 GSMP-20GS
0.00002
0.000001

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Recommended Instrumentation

Ground – Medium to High Sensitivity GSM-19T, GSM-19TW, GSM-19, GSM-19W Proton, Overhauser
Ground-Very High Sensitivity GSMP-35/40 Potassium
Airborne/Vehicle Mounted Ground GSMP-30A, GSM-19W, GSMP-35A Overhauser, Potassium
Stationary GSMP-20GS SuperGrad
Airborne/Stationary/Vehicle Mounted Ground GSMP-20GS3 SuperGrad

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