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How do multi-frequency locators compare to single-frequency locators?
Since all locating jobs are not the same, choosing a multi-frequency locator provides you with greater versatility. Single-frequency locators work great for the applications they were designed for, but fall short in other applications. A multi-frequency unit allows you to select higher frequencies when searching for ductile iron water pipes, deep conductors, broken tracer wire or tracer tape. Blind locates are also best attempted with a high frequency. Lower frequencies are used when searching for phone lines/cables, tracer wire and locating in congested areas where minimal signal bleed over is required. Occasionally, depending on the soil conditions and the application, a combination of high and low frequencies are required. Obviously, in these situations, a multi-frequency locator would be the only viable solution.
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