Tribrach with Laser Plummet TS48840 The Subsurface Bore Hole Gradiometer

The Subsurface Bore Hole Gradiometer Sensor (BHG) is encased in a waterproof titanium case with a bull-nosed

It has a variable 3W transmitter that uses Automatic Impedance Matching to maximize the transmission range while reducing power consumption

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It is used to hold the laser detector in place while attached to the special rail slide of GR1000 and GR1450 Direct Reading Grade Rods

This laser is self-leveling within approximately ±5 degrees and enables manual leveling with a one-touch switch

Tribrach with Laser Plummet TS48840 The Subsurface Bore Hole GradiometerConvenient bag for carrying wire stake flags Built of heavy duty nylon and tough webbing Shoulder strap is adjustable Use to carry 21 inch (53 cm) flags Orange Weighs 0. 22 lb (0. 10 kg)