19 GSM19 Series Magnetometers - Version 7
GEM Systems, Inc. Advanced Magnetometers
For more technical information, visit www.gemsys.ca
• Aluminum staff with 4 strong tubing sections (plastic staff optional). This construction allows
for a selection of sensor elevations above ground during surveys. For best precision the full staff
length should be used. Recommended sensor separation in gradiometer mode is one staff
section (56cm), although two or more sections are sometimes used for maximum sensitivity.
4.2 ASSEMBLING THE INSTRUMENT
The GSM-19 is very simple to assemble. The following picture shows the sensors in Gradiometer
or Walkgrad configuration mounted on a back pack
Figure 4: Gradiometer and Backpack Assembly
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