The revolutionary design of the GEM-300 allows this frequency domain, electromagnetic profiling system to be configured to simultaneously measure up to 16 user-defined frequencies between 330 Hz and 20,000 Hz with fixed coil separation. By acquiring multiple frequencies the user can select the frequency(ies) which provide the best results for a specific application. Both in-phase and quadrature measurements are recorded. Output is the mutual coupling ratio (Q) in parts/million (ppm) or apparent conductivity in mS/m.
All survey acquisition parameters and EM data are stored on internal memory. Files are structured for simple download to a PC for immediate presentation on commercial mapping software packages.
The GEM-300 is lightweight, portable and easy to use which makes it ideal for use in the fields of:
Geophysical Survey Systems, Inc., 13 Klein Dr., Box 97, North Salem, NH 03073-0097. Tel: 603-893-1109; Fax: 603-889-3984.