Instrument Technology Corporation - Locating equipment. Water leak detection, pipe and cable locators, video inspection systems, sheath fault locators, gas detectors, ground penetrating radar and more Instrument Technology Corporation - Locating equipment. Water leak detection, pipe and cable locators, video inspection systems, sheath fault locators, gas detectors, ground penetrating radar and more
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Subsurface Instruments Products - Subsurface Instruments ML-3 Long Magnetic Locator

ML-3 Long
Magnetic Locator

Long 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.

Subsurface Instruments - Subsurface Instruments ML-3 Long Magnetic Locator

That’s because the ML-3 reflects many of the items on our customers’ technological wish lists. The ML-3 long is 55″, making it the longest magnetic locator on the market. It allows you to make the biggest sweeps possible without compromising on accuracy. The ML-3 long provides ergonomic, lightweight, durable, one-handed operation option to traditional magnetic locators. It offers unparalleled durability, as all components are housed inside the aircraft-grade aluminum monotube units.

But don’t let its looks fool you. It’s 100 percent waterproof up to 220 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. And it’s digitally tuned, so it offers unparalleled accuracy in detecting ferromagnetic objects.

*Click on Tabs to view more information.

  • Low battery indication with flashing LCD
  • Varying pitch audio signal mode using a moving coil speaker for enhanced audio output
  • 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
  • Includes soft case with carrying straps and inside pocket for batteries and manual; Optional aluminum hard case available
  • Rugged construction for field conditions
  • Detection of buried ferrous metal objects at depths up to 8 feet Hand gun: One to two feet 175mm projectile: Four to five feet Water standoff valve: Six to ten feet
  • Detection of ferrous metal objects and weapons on persons
  • Underwater search and detection of: Submerged vehicles UXOs and mines Salvageable wrecks Pipes and cables
  • Over 3500 ML-3 units in Afghanistan used for detection of improvised explosive devises (IEDs) and Unexploded Ordnances (UXOs)
  • Made in the USA – Built and serviced entirely in Wisconsin

  • Overall Length: 55 in (139.7 cm)
  • Weight: 2.8 lbs./1.3 kg
  • Input Power: Three (3) standard 9-volt alkaline batteries
  • Batter Life: Est. 40 Hours
  • Frequency: 16.5 kHz
  • Audio: Speaker pitch increases in frequency proportional to gradient field intensity
  • Visual: LCD display with bar graph indicating polarity and relative strength of signal. Also provides low battery indication.
  • Operating Temperature: -13° to 140° F (-25° to 60° C)
  • Exterior Sensor Tube: Aircraft grade aluminum
  • Warranty: 7 Years

Subsurface Instruments - Subsurface Instruments ML-3 Long Magnetic Locator
Subsurface Instruments - Subsurface Instruments ML-3 Long Magnetic Locator

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If you have any questions, feel free to contact Instrument Technology Corporation at 800-519-1998. For your convenience, you can request a quote from this site.

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