Page 9 of 61 OM1800/26
The Grad601-2, with two sensors, records two lines of data during each traverse and reduces
the survey time and distance walked to one half that of using a single sensor gradiometer. Both
versions can operate in one of two modes:
Figure 2 Grad601-2 dual sensor gradiometer arrangement with
harness.
Figure 3 Grad601-1 single sensor gradiometer arrangement.
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