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 BHG Magnetic Underwater Locator

BHG
Locator

Durable detector locates large ferrous metal objects by being lowered into drilled boring holes.

Specifically designed to find the presence of any ferrous metal in the ground at a radius of ± 8′, you can rely on the Bore Hole Gradiometer (BHG) sensitivity and accuracy.

The BHG system consists of 3 main items that are sold separately to facilitate its customization. The Control Box including a rechargeable 12v battery, a 50′ sensor cable with Amphenol® connectors (custom lengths available) and a bull-nosed titanium sensor which works similarly to a magnetic locator and can also be used underwater. Its rugged and durable construction makes it ideal for utility companies, the construction industry, and bridge builders.

Subsurface Instruments - Subsurface Instruments BHG Magnetic Underwater Locator

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  • Heavy-duty sensor cable acts as lanyard. 30’, 50’, 100’ (non-standard lengths available)
  • High-quality connectors and “toilet seat” cover over headset jack. “Seacon” connectors available.
  • Alligator clips for 12v auxiliary power.
  • Gel-cell auto-charges when auxiliary power connected.
  • “Zero” to “null” gradient.
  • Permanent gel-cell battery-mounted under electronics panel.
  • Bull-nosed and tapered Titanium sensor on BHG

  • Electronic Panel Controls: On, Off, Volume Up and Down, Range setting (Gain or Sensitivity) Up and Down, Zero, Plus and Minus, Auto Zero – Automatic self-adjusting
  • Outputs: Audio Frequency Pitch (speaker and jack for headset), Visual LCD Display, Bar Graph – range Gain setting – milligauss, RS-232 PC connection (cable included)
    control all keypad functions
    data log range, keypad and signal settings
    works with hyper terminal or equivalent
  • Power Options: Internal Battery: 12 volt, 7.2Ah sealed lead acid, Battery Life: 72 hours continuous use, charges to full overnight, External Power: 12 to 15 volt, cable included, Internal battery charging circuit is enabled when external power or AC charging cable is connected
  • Operating Temperature Range: -20° to 150° F (-29° to 66° C)
  • Dimensions: Electronics: Electronics: 16.9" x 10" x 6.5", Sensor: 1.625" x 17.5" (4.13cm x 44.45cm)

Subsurface Instruments - Subsurface Instruments BHG Magnetic Underwater Locator
Subsurface Instruments - Subsurface Instruments BHG Magnetic Underwater Locator

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