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Tamagawa Under Ground Navigator

TUG-NAVI is a unit incorporating a small gyro and an accelerometer for measuring path curvatures of buried pipes.

TUG-NAVI is a device to measure a pathway of boreholes and underground pipes. It consists of a probe with a small gyro and an accelerometer with 3 axes respectively to move through an underground pipe, a measuring gauge to measure a cable length, and a computing section to calculate and record measured attitude/azimuth data and cable distance.

Features

  • Applicable to both a vertical hole and a lateral hole
  • High resolution owing to data sampling of 50 times per second
  • High measurement velocity (0.5m/s ∼ 1m/s)
  • Possible to perform post analysis of forward/backward direction owing to storage of inertial data.
  • Applicable up to φ35mm pipes owing to use of small sensors

Specifications

Product name TAG0010 TAG0011 TAG0012
triple type single type
Position accuracy Horizontal hole 3/1000~2/1000 5/1000~3/1000 10/1000~5/1000
Vertical 5/1000~3/1000 5/1000~3/1000 5/1000~3/1000
Sensor configuration angular velocity meter TRS 3Axes MEMS1Axes
DRS 2Axes
MEMS 1Axes
TRS 2Axes
MEMS 3Axes
Accelerometer MEMS 3Axes
Sensor part Outline φ50×907mm φ42.5×814mm φ45×715mm φ38×678mm
Mass 7kgMax 3kgMax 3.5kgMax 2.5kgMax

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