Emerson Rosemount 5408 User manual

Quick Start Guide
00825-0100-4408, Rev AD
March 2018
Rosemount™ 5408 and 5408:SIS Level
Transmitters
Cone Antenna

1 About this guide
This Quick Start Guide provides basic guidelines for the Rosemount 5408 and
5408:SIS Level Transmitters. Refer to the Rosemount 5408 and 5408:SIS
Reference Manual for more instructions. The manual and this guide are also
available electronically on Emerson.com/Rosemount.
WARNING!
Failure to follow safe installation and servicing guidelines could result in
death or serious injury.
•Make sure the transmitter is installed by qualified personnel and in
accordance with applicable code of practice.
•Use the equipment only as specified in this manual. Failure to do so may
impair the protection provided by the equipment.
•For installations in hazardous locations, the transmitter must be installed
according to the Rosemount 5408 and 5408:SIS Product Certifications
document and System Control Drawing (D7000002-885).
Explosions could result in death or serious injury.
•Verify that the operating atmosphere of the transmitter is consistent with
the appropriate hazardous locations certifications.
•Before connecting a Field Communicator in an explosive atmosphere,
ensure the instruments are installed in accordance with intrinsically safe
or non-incendive field wiring practices.
•Do not remove the transmitter cover in explosive atmospheres when the
circuit is live.
•Both transmitter covers must be fully engaged to meet explosion-proof
requirements.
Electrical shock could cause death or serious injury.
•Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
•Make sure the mains power to the transmitter is off and the lines to any
other external power source are disconnected or not powered while
wiring the transmitter.
Process leaks could result in death or serious injury.
•Make sure that the transmitter is handled carefully. If the process seal is
damaged, gas might escape from the tank.
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2Rosemount 5408 and 5408:SIS Level Transmitters

CAUTION!
Hot surfaces
The flange and process seal may be hot at high process temperatures. Allow
to cool before servicing.
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2 Confirm approval type
For hazardous locations transmitters labeled with multiple approval types:
Permanently mark the checkbox of the selected approval type(s).
Label with Multiple Approval TypesFigure 2-1:
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4Rosemount 5408 and 5408:SIS Level Transmitters

3 Mount the transmitter
3.1 Flanged version
1. If applicable, assemble the segmented cone antenna (see Chapter 9).
2. Lower transmitter with antenna and flange into the nozzle.
Gasket
3. Tighten bolts and nuts with sufficient torque for the flange and gasket
choice.
4. Align the transmitter head (see Chapter 4).
3.2 Flanged version with air purge ring (option code PC1)
1. If applicable, assemble the segmented cone antenna (see Chapter 9).
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2. Place a suitable gasket on the tank flange.
3. Place the purge ring over the gasket.
4. Place a suitable gasket over the purge ring.
Note
A minimum gasket thickness of 0.125 in. (3.2 mm) is required for flanges
with protective plate design.
5. Lower transmitter with antenna and flange into the nozzle.
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6Rosemount 5408 and 5408:SIS Level Transmitters

Antenna with air purge holes
6. Tighten bolts and nuts with sufficient torque for the flange and gasket
choice.
1.0 in. (25.5 mm)
7. Connect the air purging system. Use thread sealant or suitable gasket
according to your site procedures.
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0.4 in. (10 mm)
or
G3/8-in.
Incoming Air Supply SpecificationTable 3-1:
Maximum pressure Recommended pressure
190 psi (13 bar) 100 to 115 psi (7 to 8 bar)
8. Align the transmitter head (see Chapter 4).
3.3 Threaded version, antenna diameter (D) < Thread
diameter (d)
3.3.1 Flanged tank connection
1. If applicable, assemble the segmented cone antenna (see Chapter 9).
2. Place a suitable gasket on the tank flange.
3. Place the customer supplied flange over the gasket.
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4. Tighten the bolts and nuts with sufficient torque for the flange and
gasket choice.
5. Apply anti-seize paste or PTFE tape on threads according to your site
procedures.
Gasket may be used as a sealant for adapters with 1½- or 2-in. BSPP
(G) threads.
6. Lower transmitter with antenna and flange into the nozzle.
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Gasket
(for 1½-in. and 2-in.
BSPP (G) threads only)
7. Align the transmitter head (see Chapter 4).
3.3.2 Threaded tank connection
1. If applicable, assemble the segmented cone antenna (see Chapter 9).
2. Apply anti-seize paste or PTFE tape on threads according to your site
procedures.
Gasket may be used as a sealant for adapters with 1½- or 2-in. BSPP
(G) threads.
3. Mount the transmitter on the tank.
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Gasket
(for 1½-in. and 2-in.
BSPP (G) threads only)
4. Align the transmitter head (see Chapter 4).
3.4 Threaded version, antenna diameter (D) > Thread
diameter (d)
1. If applicable, assemble the segmented cone antenna (see Chapter 9).
2. Unscrew and remove the antenna.
H2 mm
Note
Be careful not to scratch the microwave launcher. The microwave
launcher is sensitive to mechanical impacts.
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Microwave launcher
3. Apply anti-seize paste or PTFE tape on threads according to your site
procedures.
Gasket may be used as a sealant for adapters with 1½- or 2-in. BSPP
(G) threads.
4. Mount the adapter on the customer supplied flange.
Gasket
(for 1½-in. and 2-in.
BSPP (G) threads only)
5. Mount the antenna.
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H2 mm
38 mm
Torque 250 in-lb (28 N-m)
Torque 5 in-lb (0.5 N-m)
Note
Visually inspect the microwave launcher for damage and dirt.
6. Lower transmitter with antenna and flange into the nozzle.
Gasket
7. Tighten the bolts and nuts with sufficient torque for the flange and
gasket choice.
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8. Screw the adapter until it is properly tightened.
9. Align the transmitter head (see Chapter 4).
3.5 Bracket mounting
1. Mount the bracket to the pipe/wall.
On pipe:
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4X
Horizontal pipe
Vertical pipe
On wall:
4X
2. Mount the holder to the bracket.
3. Unscrew and remove the antenna.
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H2 mm
Note
Be careful not to scratch the microwave launcher. The microwave
launcher is sensitive to mechanical impacts.
Microwave launcher
4. Screw the transmitter into the holder.
5. Mount the antenna.
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H2 mm
38 mm
Torque 5 in-lb (0.5 N-m)
6. Align the transmitter head (see Chapter 4).
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4 Align transmitter head
1. Loosen the nut slightly and turn the transmitter.
60 mm
2. Verify the transmitter head is properly aligned.
Option Description
Open tank Align the marking on the sensor module toward the tank wall (see Figure 4-1).
Still pipe Align the external ground screw toward the holes of the still pipe (see
Figure 4-2).
Chamber Align the external ground screw toward the process connections (see
Figure 4-3).
3. Tighten the nut.
60 mm
Torque 355 in-lb (40 N-m)
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Open TankFigure 4-1:
Still pipeFigure 4-2:
ChamberFigure 4-3:
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5 Adjust display orientation (optional)
To improve field access to wiring or to better view the optional LCD display:
1. Loosen the set screw until the transmitter housing can rotate smoothly.
2. First, rotate the housing clockwise to the desired location. If the desired
location cannot be achieved due to thread limit, rotate the housing
counterclockwise to the desired location (up to 360° from thread limit).
3. Re-tighten the set screw.
Rotate the Transmitter HousingFigure 5-1:
Torque 30 in-lb (3 N-m)
H3/32 in.
Note
In high vibration applications, the transmitter housing must be fully
engaged into the sensor module to meet the vibration test specifications.
This is achieved by rotating the transmitter housing clockwise to thread
limit.
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