Manual – Starflow QSD Model 6527B and 6537A
Unidata Manual - 6527B and 6537A Starflow QSD User Manual 08 05 2023.docx
Page 5
15.2.3.
Opening with Notepad
95
15.2.4.
Opening with Excel
95
16.
Power Failure.......................................................................................................... 97
17.
Diagnostics ............................................................................................................. 98
17.1.
Velocity Trace ........................................................................................................... 98
17.2.
Velocity Histograms .................................................................................................. 99
17.3.
Inherent Factors in Doppler Histograms ................................................................. 100
17.4.
Varying Angles as Particles Pass through the Main Beam .................................... 100
17.5.
Measuring Errors Due To “Signal Noise” ................................................................ 101
17.6.
Channel Characteristics Affecting the Signal ......................................................... 101
17.7.
The Nature and Location of the “Reflectors” in the Water ...................................... 102
17.8.
Velocity Variations Due to Cross-Section Changes ............................................... 103
17.9.
Measuring Unexpected Velocities .......................................................................... 104
17.10.
Measuring Turbulent Velocities .............................................................................. 105
17.11.
Effects of Surface Ripples ...................................................................................... 106
17.12.
Measuring Flows in Very Small Channels .............................................................. 107
17.13.
Velocities Too Slow to Measure ............................................................................. 107
17.14.
Measuring Velocities in Very Shallow Water .......................................................... 108
17.15.
Interference to the Transducers .............................................................................. 108
17.15.1.
Silt, Algae and Other Soft, Saturated Materials
108
17.15.2.
Burying the Transducer in Sand
109
17.16.
Initialise ................................................................................................................... 111
17.17.
Configure ................................................................................................................ 111
17.18.
Upgrade Firmware .................................................................................................. 112
