Concept
Wellhead tide gauge
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0015/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | Wellhead gauge | |
| Definition | The Wellhead gauge measures the sea level by means of a float in a stilling well. The float is usually of a smaller diameter than that used on a Munro gauge (about 45cm diameter), and has a counterweight attached to a smaller diameter pulley than that of the float so it is not immersed in the sea when the float rises. The Wellhead unit does not produce a chart but does give a readout of the height. It is interfaced to the data logger via a precision potentiometer. | |
| Date | 2009-11-30T11:27:51 | |
| Identifier | SDN:L22::TOOL0015 | |
| Note | accepted | |
| Has Current Version | 1 | |
| version | 1 | |
| inScheme | http://vocab.nerc.ac.uk/scheme/SDNDEV/current/ | |
| Broader | L19:SDNKG17 | sensor_model |
L05:111 | sea level recorders | |
| Related | B75:ORG00003 | National Oceanography Centre (NOC), Liverpool |
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