Tide level measurement...
Hi,
I would like to include tidal data at my weather station page. Which type of senser do I use for this? I assume that I should use a rugged plastic tube with some ultrasonic sensor to measure distance from the top down to the sea surface. Max level difference around 2m. Does it exist used equipment available (ebay etc) for this usage? Thanks a lot for all tips and comments ;-) geir |
Tide level measurement...
Geir Holmavatn wrote in message ... Hi, I would like to include tidal data at my weather station page. Which type of senser do I use for this? I assume that I should use a rugged plastic tube with some ultrasonic sensor to measure distance from the top down to the sea surface. Max level difference around 2m. Does it exist used equipment available (ebay etc) for this usage? Thanks a lot for all tips and comments ;-) geir Some info here on gauge types http://www.pol.ac.uk/ntslf/tgi/ what would be interesting is doing a graphical comparison between actual and predicted tides , like this one for Bournemouth, England ( i regularly monitor that one and Portsmouth as predictors for Southampton VTS which has only a near real time gauge numerical output to the internet, but difference of real over/under predicted is often more important) http://www.pol.ac.uk/ntslf/pltdata_t...nemouth&span=1 part of http://www.pol.ac.uk/ntslf/ perhaps using WXtide32 http://www.wxtide32.com/ a freeware application, if your location is included for the predicted. -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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