Water Level Measurements
Description Range Cost Needed Structure Contact / Non Contact Sediment effect
Shaft Encoder 0 to 100 meter 70,000 Stilling well Contact Medium
Bubbler 15 meter 2,00,000 None Contact High
Pressure Transducer 30 meter 70,000 None Contact Medium
Ultrasonic Sensor 15 meter 1,10,000 Bridge/embankment Non Contact NO
Radar 0-30 1,50,000 Bridge/embankment Non Contact NO
0-50 2,10,000
0-100 2,80,000