Fisher Industrial Metal Detector Comparison: M-97, M-66, M-101

Fisher Research Labs is a leader in engineering and designing metal detectors for hobbyists, security professionals and utility and industrial users. Designed to meet the demands of professionals, Fisher’s industrial metal detectors have the rugged construction and specific features to get the job done.

Learn more about selecting the right industrial metal detector here.

What’s the Difference Between the Fisher M-97, M-66 and M-101 Industrial Metal Detector

Whether you are locating underground valves and valve boxes or rebar and wall studs, Fisher has an industrial metal detector suited for your professional industrial needs. Fisher’s line of industrial metal detectors offers simple operation and the exact features you need.

Fisher M-97 Industrial Metal Detector with Waterproof Search Coil

Specifically designed and calibrated to find valves, boxes, or manhole covers that have been paved over or buried, the M-97 offers push-button tuning for easy pinpointing. Simple two knob operation, auto-tune circuitry, an 8” or 11” waterproof search coil, and easy, compact storage, make it ready for even the most challenging conditions.

Fisher M-66 Metal Detector with Waterproof 8" Search Coil

A valve, box, and ferromagnetic locator, the Fisher M-66 is designed specifically for located valves, boxes, or vaults that have been buried or paved over. Perfect for finding survey markers, water meters, gas meters, conduits, manhole covers, and other concealed metallic objects. The M-66 detects aluminum, brass, copper, iron, nickel, steel, or tin.

Fisher M-101 Metal Detector with Waterproof 4" Search Coil

Designed for finding rebar embedded in concrete, wall studs, wiring, nails, and other hidden metal objects, the M-101 offers simple operation and accurate pinpointing. Highly accurate, the unit can detect the location of rebar within ¼” of the centerline.

What the Fisher M-97, M066, and M-101 Industrial Metal Detector Have in Common

  • 1-Tone Audio Identification
  • Built-In Battery Test
  • Simple 2-Knob Operation
  • ¼” Headphone Jack
  • Sensitivity Adjustment
  • Ground Effect Rejection VLF
  • Adjustable Shaft
  • 2 Year Warranty

What is Unique to the Fisher M-97 Industrial Metal Detector with Waterproof Search Coil

  • Search Coil: Waterproof 8" or 11” Round
  • Manual Ground Balance

What is Unique to the Fisher M-66 Metal Detector with Waterproof 8" Search Coil

  • Search Coil: 8" Waterproof Round
  • Preset Ground Balance

What is Unique to the Fisher M-101 Metal Detector with Waterproof 4" Search Coil

  • Search Coil: 4” Waterproof Round
  • Auto Ground Balance
  • Quick Tune Ready
  • Pinpoint Mode

See pricing, specifications, bonus items, compatible accessories, product reviews, and videos for each of the Fisher Industrial models on the pages above!