Quick Start Guide
9
March 2016
3.0 Mounting
3.1 Upstream/downstream piping
To ensure specified accuracy over widely varying process conditions, install the
sensor with a minimum of five straight pipe diameters upstream and two pipe
diameters downstream from the electrode plane (see Figure 6).
Figure 6. Upstream and Downstream Straight Pipe Diameters
A. Five pipe diameters
B. Two pipe diameters
Installations with reduced upstream and downstream straight runs are possible.
In reduced straight run installations, the meter may not meet absolute accuracy
specifications. Reported flow rates will still be highly repeatable.
3.2 Flow direction
The sensor should be mounted so the arrow points in the direction of flow.
See Figure 7.
Figure 7. Flow Direction Arrow
3.3 Sensor location
The sensor should be installed in a location that ensures it remains full during
operation. Vertical installation with upward process fluid flow keeps the
cross-sectional area full, regardless of flow rate. Horizontal installation should be
restricted to low piping sections that are normally full.
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