Emerson Rosemount 9295 Manual de usuario

Quick Start Guide

00825-0100-4295, Rev AA

October 2018

RosemountTM 9295 Process Flow Meter

October 2018

Quick Start Guide

NOTICE

This guide provides basic guidelines for the installation of the Rosemount 9295 Primary Element. For

comprehensive instructions on configuration, diagnostics, maintenance, service or troubleshooting, refer to

the Rosemount 9295 Primary Element Reference Manual and appropriate transmitter reference manuals. The

manual and this guide are also available electronically on Emerson.com/Rosemount.

If the Rosemount 9295 Primary Element was ordered assembled to a Rosemount Pressure Transmitter,

Manifold or RTD, refer to the following Quick Start Guides for information on configuration and hazardous

locations certifications:

Rosemount 3051S Quick Start Guide

Rosemount 3051SMV Quick Start Guide

Rosemount 3051 Quick Start Guide

Rosemount 2051 Quick Start Guide

Rosemount 214C (RTD) Quick Start Guide

Hazardous Area Approvals: This assembly is assembled from certified pieces of equipment. The overall

assembly is subject to inspection by the authority having jurisdiction over the installation.

If the meter was ordered with a wireless transmitter, the battery will be shipped separately due to freight

carrier regulations.

Process leaks may cause harm or result in death.

To avoid process leaks, only use gaskets and O-rings designed for the corresponding flange to seal process

connections.

Transmitter electronics maintenance should not be conducted on energized equipment in a hazardous

atmosphere.

Failure to comply with the requirements for intrinsic safety in a hazardous atmosphere could result in an

explosion.

If the process fluid is hazardous, the procedure outlined here should be modified as required.

Failure to do so could result in serious injury to personnel or death.

If the line is pressurized, always open valves slowly.

Failure to do so could result in serious injury to personnel or death.

During installation, never lift the meter by the transmitter, RTD or impulse lines/valves.

Doing so may result in meter damage and serious injury.

Contents

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . 3

Locate the installation point . . . . . . . . . . . . . . . 4

Orient the primary element . . . . . . . . . . . . . . . . 7

Install the primary element . . . . . . . . . . . . . . . 11

Trim the transmitter . . . . . . . . . . . . . . . . . . . . . 14

Additional information . . . . . . . . . . . . . . . . . . . 15

Declaration of Conformity . . . . . . . . . . . . . . . . 16

Quick Start Guide

October 2018

1.0 Before you begin

Before you begin the installation, consider the vibration and temperature limits

of the meter:

The vibration limit of the Rosemount 9295 primary element with direct

mount transmitter is 0.5g amplitude, 10-500Hz frequency range. If the

application exceeds the vibration limits above, mount the transmitter and

manifold remotely.

The process temperature limits are:

- Direct mount transmitter: -20 °F (-28 °C) to 450 °F (232 °C)

- Remote mount transmitter: -20 °F (-28 °C) to 850 °F (454 °C)

Figure 1. Exploded View

A. Manifold gasket

B. Transmitter

C. Transmitter manifold assembly

D. Label, low-side impulse line

E. Label, high-side impulse line

F. RTD assembly

G. Manifold attachment nut

H. Manifold attachment stud

I. Opposite side head plug

J. Rod-out plug (1/2” ANPT)

K. Primary element tag

L. Primary element

M. RTD assembly plug

The four steps to install and zero the Rosemount 9295 Process Flow Meter are

described in this guide:

Locate the installation point

Orient the primary element

Install the primary element

Trim the transmitter

October 2018

Quick Start Guide

2.0 Locate the installation point

Locate the primary element installation point. If possible, install the meter at

ground level to allow meter access. No straight run is required for disturbances

in Table 1. In all cases, if additional straight run is available, a best practice is to

position the Rosemount 9295 primary element where 80 percent of the run is

upstream of the meter and 20 percent is downstream.

For redundant transmitter installations, it is recommended that the primary

element be installed with a minimum of five diameters of straight run upstream

of the meter. In cases where this isn’t possible, please consult your EmersonTM

representative for recommendations.

Table 1. Straight Pipe Requirements (Distance in Number of Pipe Diameters)(1)(2)

(1) Consult an EmersonTM representative if a disturbance is not listed.

(2) Straight pipe lengths are measured from the upstream and downstream flanges of the Rosemount 9295 primary

element. A zero diameter requirement implies that the primary element can be installed directly adjacent to a

disturbance.

Figure 2. Process Flow Meter Installation (Gas Installation Example)

Type of flow disturbance upstream of

flow meter

Diameters of straight pipe run

needed

Upstream (inlet) side of

primary

Single 90°bends in the same plane 0

Two or more 90°bends in the same

plane 0

Two or more 90°bends in different

planes 0

Up to 10°of swirl 0

Reducer (One line size) 0

Butterfly Valve (75%-100% open) 0

Downstream (outlet) side of primary (all disturbances) 0

Quick Start Guide

October 2018

2.1 Reversing the electronics (transmitter and RTD)

The Rosemount 9295 primary element with direct mount transmitter has

reversible electronics. If there is interference in the mounting location, the

transmitter and RTD (if applicable) can be reinstalled on the opposite side of the

meter by following the directions below. To reverse the electronics, use

Figure 1, Figure 3, Table 2 and follow these instructions.

This operation should not be conducted on energized equipment in a hazardous atmosphere.

Failure to comply with the requirements for intrinsic safety in a hazardous atmosphere could result in an

explosion.

1. (Not shown) Remove the opposite side head plus and RD assembly plug (if

applicable).

2. Remove the manifold/transmitter assembly and switch it to the opposite

side.

Install the electronics with the new gaskets that are provided.

If the meter is equipped with an RTD, the wiring will need to be removed

from the transmitter.

3. Rotate the transmitter 180° on the manifold, ensuring high and low pressure

ports match those on the Rosemount 9295 meter body.

4. Reinstall the bolts using a cross or star pattern. Refer to Table 2 for bolt

torque guidelines.

5. Remove the RTD assembly and install it on the opposite side.

6. If the wiring was unhooked from the transmitter, reinstall it.

7. (Not shown) Reinstall the opposite side head plugs and the RTD assembly

plug.

Figure 3. Reversing the Electronics

October 2018

Quick Start Guide

Table 2. Torque Values for Transmitter Mounting Bolts

Bolt material Head markings Initial torque Final torque

Carbon steel (CS) 300 in-lb 650 in-lb

Stainless steel (SST) 150 in-lb 300 in-lb

B7M

Quick Start Guide

October 2018

3.0 Orient the primary element

The primary element can be installed in any position around the circumference

of the pipe, provided the vents are positioned within the recommended zone to

allow for bleeding or venting. Orienting the unit within the recommended zone

will also prevent inaccurate measurements. Determine the orientation based on

the application type, mounting type, flow direction, single or dual transmitter

and the flowmeter’s orientation in relation to the pipe.

For steam applications, remote mount is recommended for vertical flow

applications. For liquid applications, flow down is not a recommended

installation.

3.1 Integrated meter orientations

Figure 4. Horizontal Flow Orientation Based on Fluid Type

Note

Images above show acceptable orientation range; 45° is preferred.

Figure 5. Vertical Flow Orientation Based on Fluid Type

Liquids Gas Steam

Not best practice; remote

preferred Not permitted

October 2018

Quick Start Guide

3.2 Remote transmitter mount meter orientations

Figure 6. Horizontal Flow Orientation Based on Fluid Type

Figure 7. Vertical Flow Orientation Based on Fluid Type

Liquids Gas Steam

Quick Start Guide

October 2018

3.3 Redundant transmitter direct mount meter orientations

Figure 8. Horizontal Flow Orientation Based on Fluid Type

Note

For all orientations, the meter should be level with the grade.

Figure 9. Vertical Flow Orientation Based on Fluid Type

Liquids Gas Steam

Not permitted

October 2018

Quick Start Guide

3.4 Redundant transmitter remote mount meter orientations

Figure 10. Horizontal Flow Orientation Based on Fluid Type

Note

For all orientations, the meter should be level with the grade.

Figure 11. Vertical Flow Orientation Based on Fluid Type

Liquids Gas Steam

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