Materials Testing
    Détecteur de métal industriel

Détecteur de métal industriel

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The Fisher M-97 is specially designed for finding buried or paved over valves, boxes, or manhole covers, or any other concealed metallic object. It also locates targets made of aluminum, brass and lead. The M-97 features push button tuning allowing the user to quickly and easily maintain optimum sensitivity for easy pinpointing of buried metallic objects. Plus, the M-97 offers auto-tune circuitry and a waterproof search coil. New to the M series is the ease with which the M-97 can be stored. Just compact the lower stem, twist the search coil 90 degrees, and fold the search coil flat. The M-97 fits easily into the optional carrying case. In the Fisher tradition, the M-97 is affordable, tough, and simple to use while providing maximum performance. A two year limited warranty comes standard with the unit.


  • Two knobs and a pushbutton for simple operation
  • Adjustable shaft with double locking stem
  • Ground Effect Rejection VLF eliminates annoying or false
    signals from wet ground foliage, pavement or mineralized ground
  • High sensitivity for maximum penetration through soil,
    asphalt or concrete
  • Built-in Battery Test/Pushbutton Tuning
  • Ultra Slow Auto-Tune to stabilize ground tuning and
    minimize frequency drift
  • Identifies metallic objects by speaker sound and needle
  • Compact size for convenient storage



Output Frequencies of search coil
Sensitivity Adjustment Range
Output Indication / Meter 1 milliamp,
Headset (optional)
Audio Frequency
Power Supply +9V supplies:
Battery Life Alkaline
Power Consumption
At min. sound 8 mA
At max. sound 50 mA
At Audio threshold 17.5 to 18.5 mA
Search Coil Configuration
Weight with 8-inch search coil
11-inch search coil
Shipping Dimensions
4.5 kHz
0.20 mv RMS for full scale
0-100 linear scale
16-ohm impedance
8-ohm impedance
450 Hz
(2) 9V batteries
25-35 hours
(-9V) 13.8 mA


3.3 lbs. (1.5kg)
3.9 lbs. (1.8kg)
38 to 50 inches adjustable (96 to 127 cm)
6'' x 13'' x 35'' (15.12 x 32.76 x 82.2 cm)



Hard carrying case
Vinyl carrying bag
Coil Covers
11'' search coil