Sentence:  Over a 5 days period beginning on November 21, 2011 and ending on November 26, 2011 we deployed an array of hydrodynamic and sediment dynamic sensors on a tripod frame, including two turbidity sensors, two pore water pressure sensors, one sea gauge wave tide recorder, one <WSD>kinemometer</WSD>, and one acoustic erosion measuring instrument (Fig. 21.2). 
Meaning of the word marked with <WSD> tags:  A highly sensitive type of tachometer.