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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 | |
|---|---|---|---|---|
| Sensor configuration | angular velocity meter | DTG 3Axes | DTG 3Axes | MEMS 3Axes |
| Accelerometer | MEMS 3Axes | MEMS 3Axes | MEMS 3Axes | |
| Sensor part | Outline:φ50×907mm Mass:7kg Max |
Outline:φ45×715mm Mass:3.5kg Max |
Outline:φ40×400mm Mass:2.5kg Max |
|
| Operation part | Outline:400×350×150mm Mass:10kg Max |
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| Position accuracy (horizontal hole) | 3/1000∼2/1000 (mileage 50m) |
5/1000∼3/1000 (mileage 50m) |
10/1000∼5/1000 (mileage 30m) |
|
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