Discharge - Ott ADC

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Parameter to be measured:

Flow velocity (, discharge)

Method:

ultrasonic reflectogram cross-correlation

Equipment:

probe
display unit
wading rod

Advantages:

on-site discharge computation
powerful quality checking, configuration and data storage options
integrated depth measurement and sensor positioning indicator
convenient software with visualisation capabilities
USB (no serial port required)
rechargable via USB

Disadvantages:

heavy rods with coarse scale
sensor positioning indicator is difficult to read when adjusting sensor height or rod must be held without ground contact
test device showed signs of rainwater entering the display
built-in batteries, cannot be changed by user

What to watch out for:

cloudy waters, back pain (when adjusting depth of the probe free-hanging)

Links

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

Other related web sites:

Projects that used the above equipment: -

References

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