Page 1
Reference Manual
00809-0100-4809, Rev CB
March 2012
Annubar Flowmeter Series
Section 1 Introduction
Using This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-1
Receiving and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . page 1-2
Returning the Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-2
Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 1-2
USING THIS MANUAL This product manual provides installation, configuration, calibration,
troubleshooting, and maintenance instructions for the Annubar Flowmeter
Series.
Section 2: Installation
• Installation flowchart and checklist
• Orienting, mounting, and installing the flowmeter
• Connecting the Wiring
Section 3: Commissioning
• Calibrating the flowmeter
Section 4: Operation and Maintenance
• Troubleshooting information
• Disassembly
• RTD maintenance
Appendix A: Specifications and Reference Data
• Specifications
• Dimensional drawings
Appendix B: Approvals
• Approvals certifications
• Installation drawings
www.rosemount.com
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Annubar Flowmeter Series
Reference Manual
00809-0100-4809, Rev CB
March 2012
RECEIVING
AND INSPECTION
RETURNING THE
PRODUCT
Flowmeters are available in different models and with dif ferent options, so it is
important to inspect and verify that the appropriate model was delivered
before installation.
Upon receipt of the shipment, check the packing list against the material
received and the purchase order. All items are tagged with a sales order
number, serial number, and customer tag number. Report any damage to the
carrier.
To expedite the return process, call the Rosemount National Response
Center toll-free at 800-654-7768. This center, available 24 hours a day, will
assist you with any needed information or materials.
The center will ask for the following information:
• Product model
• Serial numbers
• The last process material to which the product was exposed
The center will provide:
• A Return Material Authorization (RMA) number
• Instructions and procedures that are necessary to return goods that
were exposed to hazardous substances
NOTE
If a hazardous substance is identified, a Material Safety Data Sheet (MSDS),
required by law to be available to people exposed to specific hazardous
substances, must be included with the returned materials.
CONSIDERATIONS Information in this manual applies to circular pipes only. Consult Rosemount
Customer Central for instructions regarding use in square or rectangular
ducts.
Limitations Structural
Structural limitations are printed on the sensor tag. Exceeding structural
limitations may cause sensor failure.
Functional
The most accurate and repeatable flow measurement occurs in the following
conditions:
• The structural limit differential pressure, as printed on the sensor tag, is
not exceeded.
• The instrument is not used for two-phase flow or for steam service
below saturation temperature.
• Install the flowmeter in the correct location within the piping branch to
prevent measurement inaccuracies caused by flow disturbances.
• The flowmeter can be installed with a maximum misalignment of
3 degrees (see Figure 1- 1). Misalignment beyond 3 degrees will cause
flow measurement errors.
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Reference Manual
3° max.
3° max.
3° max.
00809-0100-4809, Rev CB
March 2012
Figure 1-1. Permissible
Misalignment
Annubar Flowmeter Series
Environmental Mount the flowmeter in a location with minimal ambient temperature changes.
Appendix A: Specifications and Reference Data lists the temperature
operating limits. Mount to avoid vibration, mechanical shock, and external
contact with corrosive materials.
Access Requirements
Consider the need to access the flowmeter when choosing an installation
location and orientation.
Process Flange Orientation
Orient the process flanges on a remote mounted flowmeter so that process
connections can be made. For safety reasons, orient the drain/vent valves so
that process fluid is directed away from technicians when the valves are used.
In addition, consider the possible need for a testing or calibration input.
Housing Rotation
The electronics housing may be rotated up to 180 degrees (left or right) to
improve field access to the two compartments or to better view the optional
LCD meter. To rotate the housing, release the housing rotation set screw and
turn the housing up to 180 degrees.
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Annubar Flowmeter Series
Electronics Housing
Terminal Side
The circuit compartment should no t rou t inely need to b e o pened when the
unit is in service. Wiring connections are made through the conduit
openings on the top or side of the housing. The field terminal side is
marked on the electronics housing. Mount the flowmeter so that the
terminal side is accessible. A 0.75-in. (19 mm) clearance is required for
cover removal. Use a conduit plug on the unused side of the conduit
opening. A 3-in. (76 mm) clearance is required for cover removal if a meter
is installed.
Cover Installations
Always install the electronics housing covers metal-to-metal to ensure a
proper seal.
Figure 1-2. Transmitter Housing
Rosemount 3051S MultiVariable™
Transmitter
Reference Manual
00809-0100-4809, Rev CB
March 2012
Rosemount 3095 Transmitter
1-4
Rosemount 3051C Transmitter Rosemount 2051C Transmitter
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