Concept
RBR Quartz 3 APT Accelerometer and Bottom Pressure Recorder
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1805/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | RBR Quartz 3 APT | ||
| Definition | A combined triaxial quartz accelerometer and bottom pressure recorder for deep-sea early earthquake warning and tsunami monitoring. Designed for autonomous installation or real-time cabled observatories with ethernet connectivity, it penetrates sea bed sediments and has good seismic coupling. The outputs are the periods of the three accelerometer axes (ps), pressure (dbar), and temperature (degC). The instrument uses a 24 Wh battery and internal memory, with the capacity to stream in real-time. It has an integrated Digiquartz pressure sensor and temperature sensor, and is housed in titanium. The sampling period goes up to 16 Hz (up to 240M readings). The communication is via TCP/IP over Ethernet. Clock drift is +/-60 seconds/year. The accelerometer's range is +/- 3 g and its resolution is <100 ng. Depth is rated to 7,000 m. Depth resolution is 10 ppb and depth accuracy is +/- 0.01 % FS. Temperature accuracy is +/-0.002 degC. | ||
| Date | 2022-05-31T13:05:56 | ||
| Identifier | SDN:L22::TOOL1805 | ||
| Note | accepted | ||
| Has Current Version | 1 | ||
| version | 1 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | ||
| Broader | |||
| L05 SeaDataNet device categories - (3) | |||
| Related | L35:MAN0049 |
RBR | Mapping: 1718669 |
B75:ORG00299 |
RBR Ltd | Mapping: 1718668 | |
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