Concept
RBR Quartz 3 BPR Zero bottom pressure recorder
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1909/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | RBR Quartz 3 BPR Zero | ||
| Definition | A self-contained bottom pressure recorder for long-term autonomous or real-time observations of water level, tides, and tsunamis in deep water. It measures full ocean depth levels and tide observations. It integrates one or two Digiquartz pressure sensor gauges, an internal quartz barometer, a switching valve, and a temperature sensor. It also implements the AzeroA technique to correct for long term drift in the pressure sensor by periodically activating the switching valve to perform internal housing pressure reference measurements. The instrument is housed in titanium and can use 8 x AA cells, but requires external power between 9.5 V and 30 V to operate the switching valve. It uses USB-C or RS-232/485 communication. Sampling period is up to 8Hz (up to 240M readings). Clock drift is +/-60 seconds/year. Depth is rated to 7,000m. Depth resolution is 10 ppb and depth accuracy is +/- 0.01% FS. Temperature accuracy is +/-0.002 degC. | ||
| Date | 2023-04-18T12:26:36 | ||
| Identifier | SDN:L22::TOOL1909 | ||
| Note | accepted | ||
| Is Version Of | TOOL1909 | ||
| version | 1 | ||
| Broader | |||
| L05 SeaDataNet device categories - (2) | |||
| Related | L35:MAN0049 |
RBR | |
B75:ORG00299 |
RBR Ltd | ||
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