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Spar 300 Underground Utility Locating Equipment

The Spar 300 unit employs a set of magnetic field sensors to accurately measure the 3-D vector to an underground utility and automatically combines this vector with absolute positions obtained via GNSS or other survey methods to obtain the 3-D coordinates of the utility. The Spar’s novel approach allows it to measure the 3-D vector from any vantage point within range and its built-in acceleration and magnetic sensors allow it to operate in almost any position. It offers two distinct operating modes, line and sonde, extending its capabilities to most surveying situations.

  • Easy Geopositioning
    With the use of a magnetic field imaging, the Spar 300 Underground Utility Locator is able to geoposition the utility with ease. The Spar is mounted directly below the GNSS receiver as the markings are being made.
  • Easy to Read Display
    The display mounted on the pole is continuously monitored by the surveyor, so they remain directly overtop of the utility. With the Spar 300 Underground Utility Locator attached to the pole, the surveyor has vastly improved position accuracy in relation to the utility itself.
  • Mobile Utility Survey Options
    If the range needs to be extended deeper than 10ft, two Spar units will be required. The Spar 300 Underground Utility Locators can be mounted onto a vehicle or cart for improved mobility. By moving the Spar units further apart, the range of the Spar 300 Underground Utility Locators increase.

Increased Flexibility

  • Easy Scalability
    If you need a more flexible surveying setup, incorporate a Spar 300 RL1G1 into your dual Spar rig. The RL1G1 will be able to measure the 3D separation between your Spar 300 Underground Utility Locators. Simply configure one of the Spars as a GNSS base station and go to work.
  • Large Tasks Become Easy
    With this setup, the Spar 300 Underground Utility Locators can move continuously and to wherever the surveyor needs them to be. This makes larger surveying jobs that much simpler to accomplish since the Spars are no longer tethered by an incremental movement pattern.
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