Attach aluminum strut channels to the sontek sensor using strut channel nuts, washers, and 3/8" bolts

Feed the conduit over the sontek connection cable to protect it when in the river. It will not make a physical connection to the sensor

Screw the water tight sontek connection cable into the connection port.

Screw the other end of the conduit into the base of the node box with the excess sontek wire pulled through.