Discharge - Current meter Ott C2

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Ott C2

Contents

Parameter to be measured:

Flow velocity (discharge)

Method:

propeller

Equipment:

C2:

  • propellers
  • axle
  • wading rod
  • counting unit (e.g. Ott Z400)

Advantages:

  • the quasi-standard; benchmark for other methods
  • simple no-fuss mechanics
  • "sensor" (propeller) response is directly visual
  • insensitive to suspended sediment, temperature, conductivity
  • comparatively small case including wading rods


Disadvantages:

  • poor response in low velocities
  • maintenance of ball bearings (oil)
  • mechanical vulnerability
  • no immediate calculation of discharge (except with the advanced counting units that provide these option), no data storage

What to watch out for:

  • submerged weeds, low velocities, piranhas

Price:

  • ~ 8000 € (2008)

Links

Discharge - comparison of measurements (C2, Flowtracker, Flowsens, ADC, tracer, dipping rod)

Other related web sites:

Projects that used the above equipment: http://uni-potsdam.de/sesam/


References

http://www.ott-hydrometry.de/web/ott_de.nsf/id/pa_c2_e.html

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