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CALL OUR SALES EXPERTS TODAY: [984-664-9260] Habla Espanol [504-383-7978]
CALL OUR SALES EXPERTS TODAY: [984-664-9260] Habla Espanol [504-383-7978]

Gradiometer Magnetic Locator Kit - With Sensor & Electronic Box

SubSurface
by SubSurface
MFR#: BHG KIT
List Price: USD $6,500.00
You Save: USD $520.00 -8%
USD $6,500.00 - USD $6,500.00
List Price: USD $6,500.00
USD $5,980.00
USD $5,980.00 - USD $5,980.00
USD $5,980.00

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Gradiometer Magnetic Locator Kit - With Sensor & Electronic Box
Gradiometer Magnetic Locator Kit - With Sensor & Electronic Box - USD $5,980.00
USD $5,980.00
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Free Shipping (USA) Ships Out Within: 5 - 7 Business Days Shipping Date By: 3/27/2025
Documents
Product Manual Item Brochure
  • All-in-one package including electronic control box and BHG sensor
  • Detects underground ferrous metal at a radius of ±8’
  • Titanium-encased and waterproof sensor
  • Rechargeable battery with up to 72 hours battery life
  • Bar graph and visual LCD screen
  • Built-in speaker and headset jack
  • Ports for external power and RS-232 PC connection

The BHG Gradiometer Magnetic Locator from SubSurface Instruments detects underground ferrous metals at a radius of ±8 feet. It can also be used underwater. It has two titanium-housed sensors that function as magnetic locators and can easily be lowered into boring holes. Its sensitivity, accuracy, and durability make it ideal for utility companies and construction use. This package includes the primary control electronic box, BHG sensor, and connectivity cables. Sensor cables (30’, 50’, 100’) are sold separately.

How it works

The Bore Hole Gradiometer (BHG) is a magnetic gradiometer that locates objects by detecting differences in magnetic field strengths using the two sensors inside the sensor tube housing. This difference is measured in “Differential Milligauss.” You will be notified of the signal reading using a bar graph on the LCD screen and audio signals (via speaker or headset). The bar graph fills to the left (negative) or right (positive) depending on the signal polarity—also, the audio pitch increases as the signal strength increases.

Control box

 Aside from the LCD screen, the electronic control box has a control panel with buttons for powering the device on/off, adjusting the volume and gain, and more. It also has an RS-232 port to enable control using a computer, a sensor port for connecting the box to the MUL sensor, and a power port for running the device on external power. The rechargeable battery is built into the control box.

Sensor 

The BHG sensor is highly sensitive to the presence of buried metals such as drums or ordnance. It is bull-nosed, tapered, and measures 1.625” D x 17.5” L.
  • All-in-one package including electronic control box and BHG sensor
  • Detects underground ferrous metal at a radius of ±8’
  • Titanium-encased and waterproof sensor
  • Rechargeable battery with up to 72 hours battery life
  • Bar graph and visual LCD screen
  • Built-in speaker and headset jack
  • Ports for external power and RS-232 PC connection

What’s in the Box

  • SubSurface Instruments Gradiometer Control Box
  • SubSurface Instruments BHG Sensor
  • 120 Volt AC charging cord
  • 12 Volt auxiliary power cable
  • RS-232 cable
  • User manual
  • 1-year manufacturer’s warranty

Tiger Supplies offers a 30-day return policy from date of shipment for this product, subject to a 20% restocking fee, in addition to the return shipping charges. The product must be in new condition and in its original packaging. We take the responsibility to make sure this product arrives in a brand new working condition. Should your item arrive damaged, we will take full responsibility and replace the product at no cost to you.

For complete details of our return policy and process, please refer to our general return policy page.

Applications
Detects Cobalt
Yes
Detects Iron
Yes
Detects Nickel
Yes
Battery/Power
Alkaline Battery/Life
72 hours
Features
Display
LCD
Sleep Mode/Auto Shut Off
Yes
Visual Alert
Yes
General
Depth Detection
radius of ± 8'
Dimensions
Electronics: 16.9”w x 10”h x 6.5”d; Sensor: 1.625”d x 17.5”L
Operating Temperature
-20° to 150° F (-29° to 66° C)
Warranty
1 year

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