Fisher M-66 Valve and Box Locator


The Fisher M-66 is a no-frills metal detector designed for simplicity. It locates all types of underground metal, including steel, aluminum, brass and lead, plus it penetrates through soil, cement and asphalt.

The M-66’s simplified design with only two knobs helps you attain maximum performance. The sensitivity knob eliminates signals from small items that may be in the ground. Adjust the manual 10-turn ground compensation knob for varied soil conditions.

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Fisher M-66 metal detector

The Fisher M-66 detector is suitable for searching for gas valves and large objects such as boxes and especially for locating buried boxes or safes that are under pavement. The M-66 also locates marker points, water or gas meters, pipes, manhole covers and many other hidden metal objects.

The M-66 recognizes all metals including aluminum, brass, copper, iron, nickel, steel or tin. By combining sensitivity and accuracy with maximum search depth, the M-66 identifies all located elements. The M-66 is easy and quick to set up within seconds and has both audio signals and a visual display. In keeping with Fisher tradition, the M-66 is affordable, rugged, easy to use, and offers maximum performance.

Technical specifications:

  • Technology: VLF (very low frequency) Eliminates false signals
  • Working frequency: 4.5kHz
  • Maximum search depth on asphalt or concrete
  • Battery supply: 2 - 9V batteries
  • Suitable for finding all metals
  • Built-in battery level indicator
  • Search coil: Waterproof 8 "/ 20cm
  • Analog pointer and audio id signal
  • Weight together with the 8 "search coil: 1.9kg
  • Operating temperature: -200 to + 70 ° C
  • Adjustable rod length: 71cm to 122cm adjustable

Scope of delivery:

  • Fisher M-66 metal detector
  • 2 - 9V batteries
  • operation manual
  • 2 year warranty



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