CamCor CT and PRO Series Hardware Manual
41
Section 5
INSTALLATION LOCATION
Air bubbles in the flow tube can result in a loss of meter accuracy. To minimize this risk,
•
Never locate the sensor at the highest point in the piping system.
•
In a vertical piping system, never directly discharge the metered fluid from the piping system without the provision of
a valve or similar controlling device.
Do not install on the suction side of
the pump.
P
Isolate
from pump
vibration.
Pump
Do not install at the highest point of
the process.
Do not install near an open outlet.
To avoid air bubbles in a vertical
line, do not route the outlet line as
shown below.
Do not allow the following situations
with a hydrostatic head:
Bubble
entrapment
in low liquid
levels
No valve (must
have pressure-
control full-liquid
control valve)
Air bubbles
Dry orifice
(keep filled
with liquid)
Figure 5.6—Common installation errors for CT and PRO Series meters
INSTALLATION GUIDELINES
Standard Piping Conditions
•
A Coriolis mass flow meter is unaffected by the flow pattern of process fluid. Therefore, no flow straightener is re
-
quired. Use a concentric reducer or tapered pipe to connect to piping of a different diameter.
•
Locate the meter sufficiently away from sources of vibration and pulsations.
•
For use in zeroing, a valve that can shut off the process flow completely should be provided downstream of the meter.
(Provide another upstream of the meter as necessary.)
•
Avoid pipe stress on the sensor.
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