SubSurface ML-3S Locator, Short

SubSurface ML-3S Locator, Short

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Brand: SubSurface Instruments Inc.



Authorized Dealer

Made in America

SubSurface ML-3S Locator, Short
  • The ML-3S magnetic locator offers durable one-handed operation that's 100% waterproof.
  • The ML-3 is a much-anticipated and welcome addition to the ML family of magnetic locators from SSI. 
  • ML-3 magnetic locators represent the best in innovation at work for the water/sewer industry, surveying industry and military. 
  • That's because the ML-3 reflects many of the items on our customers' technological wish lists. 
  • The ML-3 short is 40" to meet surveyors' personal preference, providing an ergonomic, lightweight, rugged, one-handed operation option to traditional magnetic locators. 
  • The ML-3 offers unparalleled durability, as all components are housed inside the aircraft-grade aluminum monotube units. 
  • But don't let its looks fool you. The ML-3S is 100 percent waterproof, IP68 certified up to 250 feet - a first for the industry - so it can be used in difficult weather and submerged under water. 
  • Plus, its auto-zero feature allows the user to "cancel" ambient magnetics or magnetic gradient in the soil or water.  Using the ZERO function PDF
  • And it's digitally tuned, so it offers unparalleled accuracy in detecting ferromagnetic objects. 
  • How to locate a target Along a Chain Link Fence
  • Detection of buried ferrous metal objects at depths up to 8 feet or more 
  • Handgun: One to two feet 175mm 
  • projectile: Four to five feet 
  • Water standoff valve: Six to ten feet 
  • Varying pitch audio signal mode using a moving coil speaker for enhanced audio output 
  • IP68 Certified, waterproof and complete protection against sand, dust, and dirt 
  • Waterproof sensor tube pressure tested to water depths of up to 250 feet 
  • Easy-to-use, one-handed operation with four-button keypad: 
  • On/Off button: Turns unit on or off 
  • Zero button: Automatically calibrates unit to ambient magnetic conditions 
  • Gain Up button: Increases the locating sensitivity of the unit 
  • Gain Down button: Decreases the locating sensitivity of the unit 
  • Rugged construction for field conditions 
  • Low battery indication with flashing LCD 
  • Includes soft case with carrying straps and inside pocket for batteries and manual 
  • (Optional Aluminum Hard Case available Separately.)
  • Underwater search and detection of Submerged vehicles UXOs and mines Salvageable wrecks Pipes and cables 
  • Made in the USA - Built and serviced entirely in Wisconsin
  • ML-3S Short Locator
  • Soft Case with carrying straps
  • Instruction manual
  • 1 set of 9-volt batteries (3)

ML-3 Brochure

ML-3S & ML-3L Owners Manual

Durability Video:
Underwater Video - Waterproof to 220 Feet!
Underwater Video - Aerodynamic Design:

Technical Specifications
Overall Length: 40 in (101.6 cm)
Weight: 1.8 lbs (0.8 kg)
Input Power: Three (3) standard 9-volt alkaline batteries
Battery Life: ≈ 40 Hours
Frequency: 16.5 kHz
Audio: Speaker pitch increases in frequency proportional to gradient field intensity
Visual: LCD display with a bar graph indicating polarity and relative strength of the signal. Also, provides low battery indication.
Operating Temperature: -13° to 140° F (-25° to 60° C)
Ingress Protection: IP68 Certified up to 250 feet
Exterior Sensor Tube: Aircraft grade aluminum
Warranty: 7 Years
Shipping: Dimensions: 44" x 4" x 4" Weight: 4 Lbs.

WARNING - This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.  For more information go to