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Installation
Upstream/Downstream Piping The vortex meter may be installed with a minimum of ten straight pipe
diameters (D) upstream and five straight pipe diameters (D)
downstream.
Rated accuracy is based on the number of pipe diameters from an
upstream disturbance. An additional 0.5% shift in K-factor may be
introduced between 10 D and 35 D, depending on disturbance. For more
information on installation effects, see Technical Data Sheet
00816-0100-3250.
Pressure and Temperature
Transmitter Location
When using pressure and temperature transmitters in conjunction with
the Model 8800C Flowmeter for compensated mass flows, install the
transmitter downstream of the Vortex Flowmeter. See Figure 2-3.
Figure 2-3.
Pressure and Temperature
Transmitter Location.
Wetted Material Selection Ensure that the process fluid is compatible with the meter body wetted
materials when specifying the Model 8800C Flowmeter. Corrosion will
shorten the life of the meter body. Consult recognized sources of
corrosion data or contact your Rosemount sales representative for more
information.
Environmental
Considerations
Avoid excessive heat and vibration to ensure maximum flowmeter life.
Typical problem areas include high-vibration lines with integrally
mounted electronics, warm-climate installations in direct sunlight, and
outdoor installations in cold climates.
Although the signal-conditioning functions reduce susceptibility to
extraneous noise, some environments are more suitable than others. Avoid
placing the flowmeter or its wiring close to devices that produce high
intensity electromagnetic and electrostatic fields. Such devices include
electric welding equipment, large electric motors and transformers, and
communication transmitters.
HAZARDOUS LOCATIONS The Model 8800C has an explosion-proof housing and circuitry suitable
for intrinsically safe and non-incendive operation. Individual
transmitters are clearly marked with a tag indicating the certifications
they carry. To maintain certified ratings for installed transmitters,
install in accordance with all applicable installation codes and approval
drawings. See Section 8: Specifications for specific approval categories
and Appendix E: Approval Drawings.
IMPORTANT
Once a device labeled with multiple approval types is installed, it
should not be reinstalled using any of the other labeled approval types.
To ensure this, the approval label should be permanently marked to
distinguish the used form from the unused approval type(s).
8800-8800G15A
P
T
4 Downstream
6Downstream