Operating procedures – Dwyer UFB User Manual
Page 28

3: Operating Procedures
24
1.
Press the
Options key to access the FLOW
READING OPTION screen shown.
2.
Scroll down and select
Damping (secs) and
press
ENTER. This will open the DAMPING
OPTION screen.
3.
Select the value of the
Damping factor as
required to remove any unwanted display
fluctuations. Increasing the value applies a
greater smoothing affect.
4.
Press
ENTER to apply the change.
Key Point: If the damping factor is set too high, the value displayed may appear
stable but might exhibit large step changes when the value is updated.
FLOW READING OPTION
* *
Data review
Zero Cutoff (m/s) : 0.010
Set zero flow (m/s) : 0.000
Damping (secs) : 10
Totalizer : Run
Reset +Total
Reset –Total
Calibration factor : 1.000
Roughness factor : 0.010
Alarm Settings :
Max Pulse Freq (Hz) : 10.00
Flow at Max Frequency : 200.00
Calculated Pulse Value: 2.00
Diagnostics
Select Totals : +Total
Exit
DAMPING OPTION
* *
1 second
10 seconds
15 seconds
20 seconds
30 seconds
50 seconds