Concept
Dynamic Gravity Systems AT1 marine gravimeter
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1728/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | DgS AT1 | ||
| Definition | A high resolution 1Hz marine gravity meter with integrated GPS position and time recording. A full feedback, magnetically damped sensor locks the beam at the reading line, minimizing sensor errors, and eliminates mechanical counter screw errors and reduces cross coupling errors. The instrument has a worldwide gravity range, with a resolution of 0.01 milliGals (mGal), static repeatability of 0.05 mGals, dynamic repeatability of 0.25 mGal at 50,000 mGal horizontally, 0.50 mGal at 100,000 mGal horizontally, and 0.25 mGal at 100,000 mGal vertically. The instrument has an accuracy at sea of 0.7 mGals, a platform range of 30 degrees roll and pitch. The data and GPS recording rate is 1Hz. | ||
| Date | 2021-09-08T10:14:17 | ||
| Identifier | SDN:L22::TOOL1728 | ||
| Note | accepted | ||
| Is Version Of | TOOL1728 | ||
| version | 1 | ||
| Broader | L05:158 |
gravimeters | |
| Related | B75:ORG01831 |
Dynamic Gravity Systems | |
L35:MAN0189 |
Dynamic Gravity Systems | ||
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