Quick Start Guide
00825-0300-4809, Rev EB
Rosemount™ 485 Annubar™ Pak-Lok
Assembly
June 2016
Quick Start Guide
June 2016
NOTICE
This guide provides basic guidelines for Rosemount 485 Annubar. It does not provide instructions for
configuration, diagnostics, maintenance, service, troubleshooting, Explosion-proof, Flameproof, or
Intrinsically Safe (I.S.) installations. Refer to Rosemount 485 Annubar Reference Manual
instruction. This manual is also available electronically on Emerso nProcess.com/Rosemount
If the Rosemount Annubar was ordered assembled to a Rosemount Pressure Transmitter, see the following
Quick Start Guides for information on configuration and hazardous locations certifications:
Rosemount 3051S Series Pressure Transmitter and Rosemount 3051SF Series Flowmeter Quick Start
Guide.
Rosemount 3051S MultiVariable Transmitter and Rosemount 3051SF Series Flowmeter MultiVariable
Tra ns mi tte r Quick Start Guide
Rosemount 3051 Pressure Transmitter and Rosemount 3051CF Series Flowmeter Transmitter Quick
Start Guide.
Rosemount 2051 Pressure Transmitter and Rosemount 2051CF Series Flowmeter Transmitter Quick
Start Guide.
Process leaks may cause harm or result in death. To avoid process leaks, only use gaskets designed to seal with
the corresponding flange and o-rings to seal process connections. Flowing medium may cause the
Rosemount 485 Annubar Assembly to become hot and could result in burns.
.
for more
.
Contents
Location and orientation. . . . . . . . . . . . . . . . . . 5
Drill sensor holes . . . . . . . . . . . . . . . . . . . . . . . 11
Weld mounting hardware. . . . . . . . . . . . . . . . 13
2
Insert the Rosemount Annubar Sensor. . . . . 14
Mount the transmitter. . . . . . . . . . . . . . . . . . . 17
Product certifications . . . . . . . . . . . . . . . . . . . 19
June 2016
Quick Start Guide
Figure 1. Rosemount 485 Annubar Pak-Lok Assembly Exploded View
A
B
C
D
E
F
(1)
A. Transmitter
B. Coplanar flange with drain vents
C. 2⫻ O-rings
1. Transmitter and housing are shown for clarity purposes — only supplied if ordered.
D. Direct-mount transmitter connection with valves
E. Pak-Lok body
F. See Figure 2 for details
3
Quick Start Guide
A
B
C
D
E
F
G
Figure 2. Rosemount 485 Annubar Pak-Lok Assembly Detail Exploded View
June 2016
A. Nuts
B. Follower
C. 3⫻ Packing rings
D. Studs
E. Compression plate
F. Retaining ring
G. Rosemount 485 Annubar Sensor
4
June 2016
Quick Start Guide
1.0 Location and orientation
Correct orientation and straight run requirements must be met for accurate and
repeatable flow measurements. Refer to Table 1 for minimum pipe diameter
distances from upstream and downstream disturbances.
Table 1. Straight Run Requirements
In plane____________Out of plane Upstream pipe diameters
Without
straightening
vanes
In
Out of
plane
plane
A
8
1
N/A10N/A
11
2
N/A16N/A
23
3
With straightening
vanes
A’ C C’ B
A
N/A8N/A4N/A
N/A8N/A4N/A
N/A8N/A4N/A
Downstream
pipe diameters
4
4
4
4
4
4
4
N/A28N/A
12
4
N/A12N/A
N/A8N/A4N/A
4
4
4
4
4
5
Quick Start Guide
June 2016
18
5
N/A18N/A
30
6
N/A30N/A
N/A8N/A4N/A
N/A8N/A4N/A
Note
Consult the factory for instructions regarding use in square or rectangular
ducts.
If proper lengths of straight run are not available, position the mounting such
that 80% of the run is upstream and 20% is downstream. This will result in
degraded accuracy.
Use straightening vanes to reduce the required straight run length.
Row 6 in Ta b l e 1 applies to gate, globe, plug, and other throttling valves that
are partially opened, as well as control valves.
1.1 Misalignment
Rosemount 485 Annubar installation allows for a maximum misalignment of 3°.
4
4
4
4
4
4
Figure 3. Misalignment
±3°
6
±3°
±3°
June 2016
45° 45°
30°
Recommended
zone 30°
Recommended
zone 30°
Flow
360°
1.2 Flowmeter Orientation
Figure 4. Flowmeter Orientation for Liquid
Direct mount
Horizontal liquid Vertical liquid
Quick Start Guide
(1)
Horizontal liquid Vertical liquid
1. Downward flow is not recommended.
Remote mount
(1)
Flow
7
Quick Start Guide
45° 45°
Recommended
zone 90°
Flow
Figure 5. Flowmeter Orientation for Gas
Direct mount
Horizontal gas Vertical gas
June 2016
360°
Remote mount
Horizontal gas Vertical gas
Flow
8
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