Float gauge
Staff gauge
Self registering gauges
weight gauge
5 to 10 cm
5 to 10m
1 - 5 cm
1 - 5 m
Current meter
Lagrangian
Eco sounder
Altimeter
To determine the depth of water
To measure the velocity of water
To determine the height of tide
To measure the intensity of tide
Current Meter
Eco Sounder