Greyline AVFM 5.0, User Manual

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Page 9
AVFM 5.0 Area-Velocity Flow Meter
MAIN DISPLAY
The main display shows the units selected from the Units/Mode menu, Flow or
Velocity rate being measured, TOTALIZER and RELAY states. The AVFM 5.0
will start-up with this display.
MESSAGE ICON
Press

from the main display to view temperature measurement, status of the
data logger and error/warning messages provided by the instrument. The
Message Icon will appear on the main display if error messages are being
generated by the instrument. Press

to return to the main display.
STATUS
Press

from the MAIN display to view instrument status.
Velocity
Will be displayed in
ft/sec
or
m/sec
.
Level
Is displayed in the selected units.
Tot
Displays the current totalizer reading.
Signal Cutoff
Adjust the setting in percent to suppress flow readings
at zero flow when fluid swirling or pipe vibration may
cause the instrument to continue reading. Example:
Signal Cutoff at 5% will force the display and
outputs to zero when signal strength drops below 5%.
Signal Strength
Displays percentage of signal being received by the
ultrasonic sensor.
EC
Displays level measurement Echo Confidence
Relays 1 2 3 4 5 6
Energized relays will display with reversed font eg: