I want to know how I can measure a pressure of water at various places at the bottom of a Dam. If anybody has any ideas please suggest.

 

submersible pressure transmitter

 

>submersible pressure transmitter.....

Please describe in detail. what is the measuring principle of this pr tx. which make?? Do you know if anybody has used Pr Tx for this type of application??

 

Here's a typical Regular strain gauge DP cell.
HP side measures static head of water.
LP side connected by a capillary to surface measuring atmospheric pressure.

http://www.kelleramerica.com/

Druck is another common one

Roy