Xylem WMX101-Series ELECTROMAGNETIC FLOW METERS - Manual (Page 8)

FULL PIPE RECOMMENDATIONS
Page 6
Not Ideal:
Allows air pockets to form at meter
Not Ideal:
Air can be trapped
Not Ideal:
Post-valve cavitation can create air pocket
Not Ideal:
Air bubbles and sediment on the
electrodes can affect accuracy
Intermittent air
bubbles
pass over
electrode
Possible
sediment
build-up
WMX
WMX
WMX
WMX
Recommended:
Allows air to bleed off
Recommended:
Keep pipe full at meter for accuracy
Recommended:
Keeps pipe full at meter for accuracy
Recommended:
Improved accuracy results from
unimpeded electrodes
Electrode
moved from
top by rotating
meter
Intermittent air
bubbles
miss electrode
Electrodes free
from sediment
build-up
WMX
WMX
WMX
WMX