Bore Hole Gradiometer Sensor (BHG) Theodolite Accessory it offers measuring range of

it offers measuring range of 0

but it takes it up a notch by also helping users accurately translate the virtual map into reality in the implementation phase – making DIY and construction projects easier to start and finish

With advanced locating technologies

It is accurate within 0

329370040 P3-GS Small Blue w Reflector Mirror

Bore Hole Gradiometer Sensor (BHG) Theodolite Accessory it offers measuring range ofThe Subsurface Bore Hole Gradiometer Sensor (BHG) is encased in a waterproof titanium case with a bull nosed, tapered shape designed to be lowered into drilled boreholes to find ferrous metals, such as buried drums or ordnance. Please Note: The SSI Gradiometer pictured is sold separately.