Quick Installation Guide
00825-0100-4004, Rev DB
December 2011
Rosemount 8800D
3
S
TEP
1: M
OUNT
THE
F
LOWMETER
Design process piping so the meter body will remain full, with no entrapped air. The vortex
flowmeter can be installed in any orientation without affecting accuracy. However, the
following are guidelines for certain installations.
Vertical Mounting
If the vortex flowmeter will be installed in a vertical orientation:
• Install upward or downward flow for gas or steam.
• Install upward flow for liquids.
Figure 1. Vertical Installation
Horizontal Mounting
Figure 2. Horizontal Installation
For steam and fluids with small solids content, it is recommended to have the flowmeter
installed with the electronics to the side of the pipe. This will minimize potential
measurement errors by allowing the condensate or solids to flow under the shedder bar
without interrupting the vortex shedding.
High Temperature Mounting
The maximum temperature for integral electronics is dependent on the ambient temperature
where the flowmeter is installed. The electronics must not exceed 185 °F (85 °C).
Figure 3 shows combinations of ambient and process temperatures needed to maintain a
housing temperature of less than 185 °F (85 °C).
Liquid or Gas
Flow
Gas Flow
The meter body installed
with the electronics to
the side of the pipe
The meter body installed
with the electronics
above the pipe
Acceptable
Preferred
4004_RevDB.fm Page 3 Wednesday, November 23, 2011 3:06 PM
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