Concept
Wellhead tide gauge
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0015/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | Wellhead tide 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. |
| Broader |
L05:
sea level recorders |
| Related |
B75:
National Oceanography Centre (NOC), Liverpool |
| Note | accepted |
| Deprecated | false |
| Alternative Label | Wellhead gauge |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0015/1/ |
| Authored On | 2009-11-30 11:27:51 |
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