SubSurface ML-1 Magnetic Locator



Simple to operate and built to last the Subsurface ML-1 is the right solution for any surveyor looking for a pin finder. The ML-1 is the magnetic locator you can depend on.


The ML-1 is one of SSI’s longest-enduring and popular products for magnetic detection. Whether you’re seeking corner markers (iron or steel), well casings, steel drums or septic tank handles, this is the go-to magnetic locator for you.


And for good reason. The ML series offers simple one-handed operation with an easy-to-learn keypad featuring only three buttons – no menus or cumbersome instructions to follow. The audio unit has the volume built into the on/off key; just hold down the key while it cycles through the settings. The ML-1 features strong mono-tube construction, providing structural integrity you can count on.


  • Easy and simple one-hand operation
  • Volume built into the on/off key
  • Electronic keypad “clicks” when keys are depressed
  • Microprocessor remembers the volume and gain setting
  • Strong aluminum microtube construction provides the best structural integrity
  • Lightweight, only about 2 pounds


  • Set pf 9-Volt Batteries
  • Soft-pack custom case
  • Instruction manual


Key Features

  • Detection of ferrous metal objects, including property pins and markers, live wires, weapons, devices and other objects.
  • Easy and simple, one handed operation – 3 keypad switches:
    • On/Off button: Turns unit on or off.
    • Gain Up button: Increases the locating sensitivity of the unit.
    • Gain Down button: Decreases the locating sensitivity of the unit.
  • Strong aluminum “MonoTube” construction from the tip through the end of the handle. The ABS injection molded electronics compartment provides the best structural integrity in a hand-held locator.
  • Lightweight – just over 2 pounds, including batteries.
  • Volume built into the on/off key: just hold down the key while it cycles through settings.
  • Microprocessor remembers the volume and gain settings from the last time the unit was on.
  • Battery compartment separated from electronic components and circuit board.
  • No exposing electronics to replace the batteries.
  • Non-metered (ML-1), and Metered (ML-1M) versions designed to look, feel, and operate exactly the same.
  • The metered version (ML-1M) adds features without complexity. No learning curve between units.
  • Detection of buried ferrous metal objects at depths up to 10’.
    • Handgun: 1’ to 2’
    • 175mm projectile: 4’ to 5’
    • Water Shutoff valve: 6’ to 10’
  • Soft-pack carrying case included. Hard case optional.
  • Over 5000 ML-1M units in Afghanistan used for detection of improvised explosive devises (IEDs) and Unexploded Ordnances (UXOs).
  • 7 year warranty


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