Emerson Rosemount 3408 Manuel utilisateur

Quick Start Guide

00825-0100-4418, Rev AA

September 2022

Rosemount™ 3408 Level Transmitter

Non-Contacting Radar

Contents

About this guide...........................................................................................................................3

Confirm approval type..................................................................................................................5

Mount the process seal antenna...................................................................................................6

Mount the lens antenna............................................................................................................... 8

Mount the ATAP lens antenna.................................................................................................... 10

Rotate the transmitter housing.................................................................................................. 13

Prepare the electrical connections..............................................................................................14

Connect wiring and power up.....................................................................................................17

Configuration.............................................................................................................................22

Quick Start Guide September 2022

2 Emerson.com/Rosemount

1 About this guide

This Quick Start Guide provides basic guidelines for the Rosemount 3408

Level Transmitter. Refer to the 3408 Reference Manual for more

instructions.

1.1 Safety messages

WARNING

Failure to follow safe installation and servicing guidelines could result in

death or serious injury.

Ensure the transmitter is installed by qualified personnel and in accordance

with applicable code of practice.

Use the equipment only as specified in this Quick Start Guide and the

Reference 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 3408 Product Certifications document and

System Control Drawing.

Repair, e.g. substitution of components, etc. may jeopardize safety and is

under no circumstances allowed.

WARNING

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 handheld communicator in an explosive atmosphere,

ensure the instruments are installed in accordance with intrinsically safe or

non-incendive field wiring practices.

In Explosion-proof/Flameproof and Non-Incendive/Type Ex ec installations,

do not remove the transmitter cover when power is applied to the unit.

The transmitter cover must be fully engaged to meet Explosion-proof/

Flameproof requirements.

September 2022 Quick Start Guide

Quick Start Guide 3

WARNING

Electrical shock could cause death or serious injury.

Ensure 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.

WARNING

Process leaks could result in death or serious injury.

Ensure that the transmitter is handled carefully. If the process seal is

damaged, gas might escape from the tank.

WARNING

Physical access

Unauthorized personnel may potentially cause significant damage to and/or

misconfiguration of end users’ equipment. This could be intentional or

unintentional and needs to be protected against.

Physical security is an important part of any security program and

fundamental to protecting your system. Restrict physical access by

unauthorized personnel to protect end users’ assets. This is true for all

systems used within the facility.

CAUTION

Hot surfaces

The flange and process seal may be hot at high process temperatures. Allow

to cool before servicing.

Quick Start Guide September 2022

4 Emerson.com/Rosemount

2 Confirm approval type

For hazardous locations transmitters labeled with multiple approval types:

Procedure

Permanently mark the checkbox of the selected approval type.

Figure 2-1: Label with Multiple Approval Types

September 2022 Quick Start Guide

Quick Start Guide 5

3 Mount the process seal antenna

3.1 Mount the flanged version

Procedure

1. Lower the transmitter into the nozzle.

Note

Be careful not to scratch or otherwise damage the PTFE sealing.

Quick Start Guide September 2022

6 Emerson.com/Rosemount

2. Tighten the bolts and nuts (see Table 3-1).

Note

•Re-tighten after 24 hours and again after the first temperature

cycle.

•Check at regular intervals and re-tighten if necessary.

3.2 Torque specifications

The conditions used for the calculation are:

•Standard mating metal flange

•A193 B8M Cl.2 / A4-70 bolt material

•Friction coefficient of μ=0.16

Low strength bolt and non-metallic mating flange may require lower

tightening torque.

Table 3-1: Torque Values for Process Seal Antenna, lb-ft (N-m)

Process connection

size

Process connection rating

ASME B16.5 EN1092-1 JIS B2220

Class 150 Class 300 PN16 PN40 10K 20K

2-in./DN50/50A 29 (40) 52 (70) 26 (35) 29 (40) 18 (25) 37 (50)

3-in./DN80/80A 33 (45) 48 (65) 37 (50) 41 (55) 22 (30) 70 (95)

4-in./DN100/100A 59 (80) 52 (70) 37 (50) 74 (100) 26 (35) 74 (100)

6-in./DN150/150A 66 (90) 66 (90) 74 (100) 136 (185) 74 (100) N/A

September 2022 Quick Start Guide

Quick Start Guide 7

4 Mount the lens antenna

4.1 Mount on NPT threaded connections

Procedure

1. Apply anti-seize paste or PTFE tape on threads according to your site

procedures.

2. Mount the transmitter on the tank.

Example

•(A) Threaded fitting

•(B) Threaded flange

46 mm / 50 mm

Note

Be careful not to scratch or otherwise damage the PTFE sealing.

Quick Start Guide September 2022

8 Emerson.com/Rosemount

4.2 Mount on BSPP (G) threaded connections

Procedure

1. Place a suitable gasket on the tank nozzle.

Example

•(A) Threaded fitting

•(B) Threaded flange

A B

2. Mount the transmitter on the tank.

46 mm / 50 mm

Note

Be careful not to scratch or otherwise damage the PTFE sealing.

September 2022 Quick Start Guide

Quick Start Guide 9

5 Mount the ATAP lens antenna

5.1 Open air installations

The antenna extension must be fitted to the transmitter to comply with

open air requirements.

Figure 5-1: Antenna Extension

5.2 Mount the bracket

Prerequisites

Mount the bracket so that it is not susceptible to vibration.

Procedure

1. Mount the bracket to the pipe/wall.

Example

14 mm

Quick Start Guide September 2022

10 Emerson.com/Rosemount

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