Fisher FML-3 Magnetic Locator


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Product Description

Made in the USA with Easy-to-Use One Hand Operation and a Rugged Construction Built for Harsh Field Conditions

The Fisher FML-3 Magnetic Locator is made in the USA with easy-to-use one hand operation and a rugged construction built for harsh field conditions. It can detect buried ferrous metal objects at depths up to 8 feet and it’s waterproof sensor tube is pressure tested to water depths up to 220 feet. Locates water and gas valves, joints in iron pipe, pipes and cables, manhole covers (Telecom, Sewer, Power etc.), survey markers, P.K. nails. The security uses are the detection of ferrous metal objects on a person, search for explosive devices (IEDs), UXOs and mines.


  • Frequency : 16.5 kHz
  • Warranty : 7 Year Limited
  • Total Weight : 1.8 lbs (.8 kgs)
  • Design : Rugged Construction Suitable for Harsh Field Conditions
  • Audio Output : Audible Pitch (Frequency) Changes in Proportion to Field Intensity

A robust and waterproof magnetic locator designed for the field. This simple-to-operate, adjustable sensitivity, ferrous metal locator will assist your search for Valve boxes, manhole covers, Survey markers, PK nails and more buried under the ground or underwater! Polarity indication assists in finding joints in cast iron pipes!

Technical Specifications:

  • 7 Year Warranty
  • Frequency : 16.5 kHz
  • Weight : 1.8 lbs (.8 kgs)
  • Overall Length : 40" (101.6 cm)
  • Batteries : (3) 9V
  • Battery Life : 60 Hours
  • Easy-to-Use One Hand Operation with Four Button Keypad
    • On / Off Button
    • Gain Up Button : Increases the Locating Sensitivity of the Unit
    • Gain Down Button : Decreases the Locating Sensitivity of the Unit
    • Zero Button : Automatically Calibrates Unit to Ambient Magnetic Conditions
  • Waterproof Sensor Tube Pressure Tested to Water Depth of 220 Feet
  • Audio : Audible Pitch (Frequency) Changes in Proportion to Field Intensity


  • Visual LCD Display
    • Displays - Polarity, Signal Strength and Low Battery
  • Typical uses of the FML-3
    • Locating - Water and Gas Valves, Pipes and Cables, Manhole Covers, Survey Markers and PK Nails
    • Security - Detection of Ferrous Metal Objects on a Person, Explosive Devices (IEDs), UXOs, Mines and Weapon Search and Recovery
  • Constructed of Aircraft Grade Aluminum
  • Rugged Construction Suitable for Harsh Field Conditions
  • Detection of Buried Ferrous Metal Objects at Depths up to 8 Feet
  • Low Battery Indicator : Flashing LCD when Batteries Need Replacement
  • Includes Soft Case with Carrying Straps and Inside Pocket for Batteries and Manual
  • Varying Pitch Audio Signal Mode uses a Moving Coil Speaker for Enhanced Audio Output


  • Manufacturer
  • Instruction Manuals
  • Quick Look
    Fisher FML-3 magnetic locator for hassle free one-handed operation. Detects up to 8 ft below the ground and works underwater as well.
  • SKU
  • Manufacturer SKU
  • Product Type
    Commercial Equipment
  • Product Dimensions

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