Rosemount 4088B MultiVariable Transmitter Quick Start Guide

Quick Start Guide

00825-0200-4088, Rev DA

April 2019

Rosemount™4088B MultiVariable

™

Transmitter

with Bristol™ Standard Asynchronous/
Synchronous Protocol (BSAP)/MVS
Protocol

Quick Start Guide April 2019

Contents

Steps required for quick installation............... 3

Mount the transmitter................................... 4

Consider housing rotation............................11

Set the switches........................................... 13

Wiring and power up ...................................14

Verify device configuration.......................... 23

Trim the transmitter.................................... 24

Product certifications...................................25

2 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

1 Steps required for quick installation

• Start >

• Mount the transmitter: Mount the Transmitter

• Consider housing rotation: Consider Housing Rotation

• Set the switches: Set the Switches

• Wiring and power up : Wiring and Power Up

• Verify device configuration: Verify Device Configuration

• Trim the transmitter: Trim the Transmitter

• > Finish

Quick Start Guide 3

A

A

Quick Start Guide April 2019

2 Mount the transmitter

2.1 Liquid flow applications

Procedure

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Mount the transmitter so that the drain/vent valves are oriented
upward.

A. Direction of flow

2.2 Gas flow applications

Procedure

1. Place taps in the top or side of the line.

2. Mount beside or above the taps.

A. Direction of flow

4 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

A

April 2019 Quick Start Guide

2.3 Steam flow applications

Procedure

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Fill impulse lines with water.

A. Direction of flow

2.4 Mounting brackets

Figure 2-1: Mounting Bracket – Coplanar Flange

Panel mount

Quick Start Guide 5

Pipe mount

Quick Start Guide April 2019

Figure 2-2: Mounting Brackets – Traditional Flange

Panel mount Pipe mount

Figure 2-3: Mounting Brackets – In-line

Panel mount Pipe mount

2.5 Bolting considerations

If the transmitter installation requires assembly of a process flange,
manifold, or flange adapters, follow these assembly guidelines to ensure a
tight seal for optimal performance characteristics of the transmitter. Only
use bolts supplied with the transmitter or sold by Emerson™ as spare parts.

Figure 2-4 illustrates common transmitter assemblies with the bolt length

required for proper transmitter assembly.

6 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

A

4 × 1.75-in.

(44 mm)

D

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

C

4 × 1.75-in.

(44 mm)

4

× 1.50-in.

(38 mm)

B

4 × 2.88-in.

(73 mm)

April 2019 Quick Start Guide

Figure 2-4: Common Transmitter Assemblies

A. Transmitter with coplanar flange
B. Transmitter with coplanar flange and optional flange adapters
C. Transmitter with traditional flange and optional flange adapters

D. Transmitter with coplanar flange and optional Rosemount Conventional

Manifold and flange adapters

Note

For all other manifolds, contact Customer Central technical support.

Bolts are typically carbon steel or stainless steel. Confirm the material by
viewing the markings on the head of the bolt and referencing Table 2-1 . If
bolt material is not shown in Table 2-1, contact the local Emerson
representative for more information.

Use the following bolt installation procedure:

Procedure

1. Carbon steel bolts do not require lubrication and the stainless steel
bolts are coated with a lubricant to ease installation. However, no
additional lubricant should be applied when installing either type of
bolt.

2. Finger-tighten the bolts.

3. Torque the bolts to the initial torque value using a crossing pattern.
See Table 2-1 for initial torque value.

4. Torque the bolts to the final torque value using the same crossing
pattern. See Table 2-1 for final torque value.

Quick Start Guide 7

B7M

316

316

316

SW

316

STM

316

R

B8M

A

B

Quick Start Guide April 2019

5. Verify the flange bolts are protruding through the sensor module
before applying pressure (see Figure 2-5).

Example

Table 2-1: Torque Values for the Flange and Flange Adapter Bolts

Bolt material Head markings Initial torque Final torque

Carbon Steel

300 in-lb 650 in-lb

(CS)

Stainless Steel

150 in-lb 300 in-lb

(SST)

Figure 2-5: Proper Bolt Installation

A. Bolt
B. Sensor module

8 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

A

B

C
D

April 2019 Quick Start Guide

2.6 O-rings with flange adapters

WARNING

Failure to install proper flange adapter O-rings may cause process leaks,
which can result in death or serious injury. Only use the O-ring that is
designed for its specific flange adapter.

A. Flange adapter
B. O-ring
C. PTFE-based profile (square)

D. Elastomer profile (round)

Whenever the flange or adapters are removed, visually inspect the O-rings.
Replace them if there are any signs of damage, such as nicks or cuts. If the O­rings are replaced, re-torque the flange bolts and alignment screws after
installation to compensate for seating of the O-rings.

2.7 Environmental seal for housing

Thread sealing (PTFE) tape or paste on male threads of conduit is required to
provide a water/dust tight conduit seal and meets requirements of NEMA
Type 4X, IP66, and IP68. Consult factory if other Ingress Protection ratings
are required. For M20 threads, install conduit plugs to full thread
engagement or until mechanical resistance is met.

2.8

Quick Start Guide 9

In-line gage transmitter orientation

The low side pressure port (atmospheric reference) on the in-line gage
transmitter is located under the sensor module neck label. (See Figure 2-6)

Keep the vent path free of any obstruction, including but not limited to
paint, dust, and lubrication by mounting the transmitter so that any
contaminants can drain away.

®

A

Quick Start Guide April 2019

Figure 2-6: In-line Gage Transmitter

A. Low side pressure port (under neck label)

10 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

3 Consider housing rotation

To improve field access to wiring or to better view the optional LCD display:

Procedure

1. Loosen the housing rotation set screw.

2. Turn the housing up to 180° left or right of its original (as shipped)
position.

3. Re-tighten the housing rotation set screw.

Figure 3-1: Transmitter Housing Set Screw

A. LCD display
B. Housing rotation set screw (3/32-in.)

CAUTION

Do not rotate the housing more than 180° without first performing a
disassembly procedure. Over-rotation may sever the electrical
connection between the sensor module and the electronics.

3.1

Quick Start Guide 11

Rotate the LCD display

Transmitters ordered with the LCD display will be shipped with the display
installed.

In addition to housing rotation, the optional LCD display can be rotated in
90° increments by squeezing the two tabs, pulling out, rotating and
snapping back into place.

If LCD display pins are inadvertently removed from the electronics board,
carefully re-insert the pins before snapping the LCD display back into place.

Use the following procedure and Figure 3-2 to install the LCD display:

Procedure

1. If the transmitter is installed in a loop, then secure the loop and
disconnect power.

B

C

A

Quick Start Guide April 2019

2. Required: Remove the transmitter cover on the electronics board
side (opposite the field terminals side). Do not remove instrument
covers in explosive environments when circuit is live.

3. Engage the four-pin connector into the electronics board and snap
LCD display into place.

4. Required: In order to meet explosion-proof requirements, reinstall
the housing cover and tighten so the cover is fully seated with metal
to metal contact between the housing and cover. After the cover is
seated properly, replace the flathead screw located on the bottom of
the housing cover.

Figure 3-2: Optional LCD Display

A. Electronics board
B. LCD display
C. Display cover

12 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

A B

April 2019 Quick Start Guide

4 Set the switches

Procedure

1. If the transmitter is installed, secure the bus and remove power.

2. Required: Remove the transmitter cover opposite the field terminal
side. Do not remove the instrument covers in explosive
environments when the circuit is live.

3. Slide the Security and switches into the preferred position by using a
small screwdriver.

Note

The Security switch will need to be in the off position in order to make
any configuration changes.

4. Required: In order to meet explosion-proof requirements, reinstall
the housing cover and tighten so the cover is fully seated with metal
to metal contact between the housing and cover. After the cover is
seated properly, replace the flathead screw located on the bottom of
the housing cover.

Figure 4-1: Transmitter Switch Configuration

A. Security
B. AC Termination

Quick Start Guide 13

Quick Start Guide April 2019

5 Wiring and power up

Use the following steps to wire the transmitter:

Procedure

1. Remove the cover on the field terminals side of the housing.

2. Set up based on optional process temperature input.
a) If the optional process temperature input is being utilized,

follow the procedure Install optional process temperature

input (Pt 100 RTD Sensor).

b) If there will not be an optional process temperature input,

plug and seal the unused conduit connection.

NOTICE

When the enclosed threaded plug is utilized in the conduit
opening, it must be installed with a minimum engagement of
five threads in order to comply with explosion-proof
requirements. For straight threads, a minimum of six threads
must be engaged. For tapered threads, install the plug
wrench-tight.

3. Connect the positive lead from the power source to the “PWR +”

terminal, and the negative lead to the “PWR –” terminal (for power
requirements, reference ).

4. Ensure full contact with terminal block screw and washer. When

using a direct wiring method, wrap wire clockwise to ensure it is in
place when tightening the terminal block screw.

Note

The use of a pin or a ferrule wire terminal is not recommended as the
connection may be more susceptible to loosening over time or under
vibration.

5. Connect the transmitter to the RS-485 bus as shown in Figure 5-1

a) Connect the A lead to the “A” terminal.

b) Connect the B lead to the “B” terminal.

Note

The Rosemount 4088 MultiVariable Transmitter uses RS-485
Modbus® with 8 data bits, one stop bit and no parity. The default
baud rate is 9600.

14 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

Note

Twisted pair wiring is required for RS-485 bus wiring. Wiring runs
under 1000 ft. (305 m) should be AWG 22 or larger. Wiring runs from
1000 to 4000 ft. (305 to 1219 m) should be AWG 20 or larger. Wiring
should not exceed AWG 16.

NOTICE

When the enclosed threaded plug is utilized in the conduit opening,
it must be installed with a minimum engagement of five threads in
order to comply with explosion-proof requirements. Refer to the
Rosemount 4088 MultiVariable Transmitter Reference Manual for
more information.

6. Reinstall the housing cover and tighten so the cover is fully seated
with metal to metal contact between the housing and cover in order
to meet explosion-proof requirements.

Note

Installation of the transient protection terminal block does not
provide transient protection unless the transmitter housing is
properly grounded.

Example

Figure 5-1 shows the wiring connections necessary to power a Rosemount

4088 MultiVariable Transmitter and enable communications with
OpenEnterprise Field Tools.

Quick Start Guide 15

D

D

B

A

C

E

Quick Start Guide April 2019

5.1 Transmitter wiring

Figure 5-1: Transmitter Wiring for RS-485 Bus

A. RS- 485 (A)
B. RS-485 (B)
C. RS-485 bus, twisted pair required

D. Bus Termination: AC Termination on Rosemount 4088 (see Set the

switches) or 120 Ω resistor

E. User-Provided Power Supply

It is not required to remove the Rosemount 4088 from the RS-485 network
when configuring over the local HART® port. The device should be taken out
of service or put in manual prior to performing any configuration changes.

Note

Certain BSAP parameters (such as MANUAL.LOCK.CFG or EXECUTE.CALIB)
are accessible only through BSAP and must be configured using the
TechView component of OpenEnterprise Field Tools.

16 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

A

B

C

April 2019 Quick Start Guide

Figure 5-2: Configuration via HART® or BSAP (Local) Port

A. TechView (BSAP protocol) component of OpenEnterprise Field Tools
B. MACTek® Viator® USB HART Interface
C. User-provided power supply

Note

In the TechView component of OpenEnterprise Field Tools, specify a baud
rate of 1200 baud, and specify the transmitter’s local address. For more
information on Rosemount 4088B configuration/calibration tasks in
TechView, see the TechView User’s Guide (part D301430X012).

Configure the Rosemount 4088B either through a connection with a ROC
controller or FloBoss™ flow computer using the ROCLINK™ 800 component of
OpenEnterprise Field Tools or through a connection with a ControlWave

™

controller or flow computer using the TechView component of
OpenEnterprise Field Tools.

Quick Start Guide 17

D

C

B

A

D

E

F

G

Quick Start Guide April 2019

Figure 5-3: Transmitter Configuration via RS-485 Network Port

A. RS- 485 (A)
B. RS-485 (B)
C. RS-485 bus, twisted pair required

D. Bus Termination: AC termination on Rosemount 4088 (see Set the

switches) or 120 Ω resistor

E. User-Provided Power Supply
F. OpenEnterprise Field Tools (ROCLINK for MVS or TechView for BSAP

protocol)

G. ROC, FloBoss, or ControlWave flow computer or RTU

5.2 Grounding

Signal wire grounding

Do not run signal wiring in conduit or open trays with power wiring, or near
heavy electrical equipment. If shielded wiring is used, ground the shield of
the signal wiring at any one point on the signal loop. Device must be
properly grounded or earthed according to local electric codes.

18 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

DP

A

D

F

B

C

E

April 2019 Quick Start Guide

Figure 5-4: Signal Ground Wiring

A. Positive
B. Minimize distance
C. Trim shield and insulate

D. Insulate shield

E. Connect shield back to the power supply
F. Negative

Transmitter case

Always ground the transmitter case in accordance with national and local
electrical codes. The most effective transmitter case grounding method is a
direct connection to earth ground with minimal impedance (< 1 Ω ).
Methods for grounding the transmitter case include:

Internal ground connection

The internal ground connection screw is inside the terminal side of the
electronics housing. The screw is identified by a ground symbol ( ).

Quick Start Guide 19

A

A

B

Quick Start Guide April 2019

Figure 5-5: Internal Ground Connection

A. Ground lug

External ground connection

The external ground connection is on the outside of the sensor module
housing. The connection is identified by a ground symbol ( ). An external

ground assembly is included with the option codes shown in Table 5-1 or is
available as a spare part (03151-9060-0001).

Figure 5-6: External Ground Connection

A. External ground lug
B. External ground assembly (03151-9060-0001)

20 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

Table 5-1: External Ground Screw Approval Option Codes

Option code Description

E1 ATEX Flameproof

I1 ATEX Intrinsic Safety

N1 ATEX Type n

ND ATEX Dust

K1 ATEX Flameproof, Intrinsic Safety, Type n, Dust (combination

E7 IECEx Flameproof, Dust Ignition-proof

N7 IECEx Type n

K7 IECEx Flameproof, Dust Ignition-proof, Intrinsic Safety, and

KA ATEX and CSA Explosion-proof, Intrinsically Safe, Division 2

KC FM and ATEX Explosion-proof, Intrinsically Safe, Division 2

T1 Transient terminal block

D4 External ground screw assembly

of E1, I1, N1, and ND)

Type n (combination of E7, I7, and N7)

(combination of E1, E6, I1, and I6)

(combination of E5, E1, I5, and I1)

5.3 Install optional process temperature input (Pt 100 RTD Sensor)

Note

To meet ATEX/IECEx Flameproof certification, only ATEX/IECEx Flameproof
cables (temperature input code C30, C32, C33, or C34) may be used.

Procedure

1. Mount the Pt 100 RTD Sensor in the appropriate location.

Note

Use shielded 4- or 3-wire cable for the process temperature
connection.

2. Connect the RTD cable to the transmitter by inserting the cable wires
through the unused housing conduit and connect to the screws on
the transmitter terminal block. An appropriate cable gland should be
used to seal the conduit opening around the cable.

Note

If power is already connected to the Rosemount 4088, power should
be removed prior to connecting the RTD wires. This will allow the

Quick Start Guide 21

A

Red

White

B

B

A

C

C

White

Red

Quick Start Guide April 2019

Rosemount 4088 to detect the RTD type at startup. Once the RTD is
installed, reconnect power.

3. Connect the RTD cable shield wire to the ground lug in the housing.

Figure 5-7: Transmitter RTD Wiring Connection

3-wire 4-wire

A. Ground Lug
B. Pt 100 RTD sensor
C. Connection head

Note

Verify the installed PT sensor type (3-wire or 4-wire) matches the
device setting.

22 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

6 Verify device configuration

For Rosemount 4088B, use ROCLINK™ or TechView components of
OpenEnterprise Field Tools to communicate with and verify configuration of
the transmitter.

Note

Device configuration procedures are given in the ROCLINK Configuration
Software User Manual (for ROC800-Series), part D301250X012; the
ROCLINK Configuration Software User Manual (for FloBoss 107), part
D301249X012; and the TechView User’s Guide (part D301430X012). The
Rosemount 4088 MultiVariable Transmitter Reference Manual contains a
detailed register map.

Quick Start Guide 23

Quick Start Guide April 2019

7 Trim the transmitter

Transmitters are shipped fully calibrated per request or by the factory
default of full scale.

7.1 Zero trim

A zero trim is a single-point adjustment used for compensating mounting
position and line pressure effects on static and differential pressure sensors.
When performing a zero trim, ensure that the equalizing valve is open and
all wet legs are filled to the correct level.

If zero offset is less than 5 percent of USL, follow the user interface software
instructions below to perform a zero trim on a Field Communicator.

7.1.1 Performing a zero trim using OpenEnterprise Field Tools

See the product-specific ROCLINK manual (ROCLINK Configuration Software
User Manual [for ROC800-Series], part D301250X012, or the ROCLINK
Configuration Software User Manual [for FloBoss 107], part D301249X012)
or the TechView User’s Guide (part D301430X012) for information.

24 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

8 Product certifications

Rev 1.6

WARNING

Explosions could result in death or serious injury.
Installation of this transmitter in an explosive environment must be in
accordance with the appropriate local, national, and international standards,
codes, and practices. Review this document for any restrictions associated
with a safe installation.

• Before connecting a Field Communicator in an explosive atmosphere,

ensure the instruments in the loop are installed in accordance with
intrinsically safe or non-incendive field wiring practices.

• In an Explosion-proof/Flameproof installation, do not remove the

transmitter covers when power is applied to the unit.

WARNING

Conduit/cable entries

• Unless marked, the conduit/cable entries in the transmitter housing use

a 1/2–14 NPT thread form. Entries marked “M20” are M20 x 1.5 thread
form. On devices with multiple conduit entries, all entries will have the
same thread form. Only use plugs, adapters, glands, or conduit with a
compatible thread form when closing these entries.

• When installing in a hazardous location, use only appropriately listed or

Ex certified plugs, adapters, or glands in cable/conduit entries.

8.1

8.2

Quick Start Guide 25

European Directive Information

A copy of the EU Declaration of Conformity can be found at the end of the
Quick Start Guide. The most recent revision of the EU Declaration of
Conformity can be found at Emerson.com/Rosemount .

Ordinary Location Certification

As standard, the transmitter has been examined and tested to determine
that the design meets the basic electrical, mechanical, and fire protection
requirements by a nationally recognized test laboratory (NRTL) as accredited
by the Federal Occupational Safety and Health Administration (OSHA).

Quick Start Guide April 2019

8.3 Installing Equipment in North America

The US National Electrical Code® (NEC) and the Canadian Electrical Code
(CEC) permit the use of Division marked equipment in Zones and Zone
marked equipment in Divisions. The markings must be suitable for the area
classification, gas, and temperature class. This information is clearly defined
in the respective codes.

8.4 USA

E5 FM Explosionproof (XP), Dust-Ignitionproof(DIP)

Certificate

Standards

Markings

Special Conditions for Safe Use (X):

1. This device contains a thin wall diaphragm less than 1 mm thickness

2. Flameproof joints are not intended for repair.

3. Appropriate cable, glands, and plugs need to be suitable for a

FM17US0146X

FM Class 3600 - 2011, FM 3610 - 2005, FM Class 3615 - 2005,
FM Class 3616 2011, FM 3810 - 2005, ANSI/NEMA 250 - 1991,
ANSI/IEC 60529 - 2004, ANSI/ISA 60079-0:2013, ANSI/ISA
60079-1:2015, ANSI/ISA 60079-26:2017

XP Class I, Division 1, Groups B, C, D (Ta = –50 to 85 °C); DIP
Class II and Class III, Division 1, Groups E, F, G (Ta = –50 to 85
°C); Class I Zone 0/1 AEx db IIC T5 (Ta = –50 to 80 °C);
Enclosure Type 4X/IP66/IP68; Conduit seal not required for
division installations

that forms a boundary between Class 1, Zone 0 (process connection)
and Class 1, Zone 1 (all other parts of the equipment). The model
code and datasheet are to be consulted for details of the diaphragm
material. Installation, maintenance and use shall take into account
the environmental conditions to which the diaphragm will be
subjected. The manufacturer's instructions for installation and
maintenance shall be followed in detail to assure safety during its
expected lifetime.

temperature of 5 °C greater than the maximum specified
temperature for location where installed.

4. The applicable temperature class, ambient temperature range and
process temperature range of the equipment is T4 for –50 ≤ Ta ≤ 80
°C with T process = –50 to 120 °C.

5. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

26 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

6. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.

I5 FM Intrinsic Safety (IS) and Nonincendive (NI)

Certificate

Standards

Markings

Special Conditions for Safe Use (X):

1. The maximum permitted ambient temperature of the Rosemount

2. The enclosure may contain aluminum and is considered to present a

3. The Rosemount 4088 Transmitters fitted with transient protection

Note

Transmitters marked with NI CL 1, DIV 2 can be installed in Division 2
locations using general Division 2 wiring methods or Nonincendive Field
Wiring (NIFW). See Drawing 04088-1206.

FM17US0263X

FM Class 3600 - 2011, FM Class 3610 - 2010, FM Class 3611 ­2004, FM Class 3810 - 2005, ANSI/NEMA 250 - 1991, ANSI/ISA
60529 - 2004, ANSI/ISA 61010-1 - 2004

Intrinsic Safety Class I, Division 1, Groups C, D; Class II, Groups
E, F, G; Class III; Class I Zone 0 AEx ia IIB T4; Nonincendive Class
I, Division 2, Groups A, B, C, D; T4(–50 ≤ Ta ≤ 70 °C); when
connected per Rosemount drawing 04088-1206; Type 4X

4088 Pressure Transmitter is 70 °C. To avoid the effects of process
temperature and other thermal effects care shall be taken to ensure
the surrounding ambient and the ambient inside the transmitter
housing does not exceed 70 °C.

potential risk of ignition by impact or friction. Care must be taken
during installation and use to prevent impact or friction.

are not capable of withstanding the 500 V test. This must be taken
into account during installation.

8.5

Quick Start Guide 27

Canada

All CSA hazardous approved transmitters are dual seal certified per ANSI/ISA

12.27.01–2003.

E6 CSA Explosionproof, Dust-Ignitionproof, and Division 2

Certificate

Standards

2618446

CSA C22.2 No. 0-10, CSA C22.2 No. 25-1966, CSA C22.2 No.
30-M1986, CSA C22.2 No. 94-M91, CSA C22.2 No. 142­M1987, CSA C22.2 No. 213-M1987, CSA C22.2 No.
60079-0:2011, CSA C22.2 No. 60079-11:2011, ANSI/ISA

12.27.01-2003

Quick Start Guide April 2019

Markings

I6 CSA Intrinsically Safe

Certificate

Standards

Markings

8.6 Europe

E1 ATEX Flameproof

Certificate

Standards

Markings

Class I, Division 1, Groups B, C, D; Class II, Division 1, Groups E,
F, G; Class III; Class I, Division 2, Groups A, B, C, D; Temp Code
T5; seal not required; when installed per Rosemount Drawing
04088-1053; Type 4X

2618446

CSA C22.2 No. 0-10, CSA C22.2 No. 25-1966, CSA C22.2 No.
30-M1986, CSA C22.2 No. 94-M91, CSA C22.2 No. 142­M1987, CSA C22.2 No. 157-92, CSA C22.2 No. 213-M1987,
CSA C22.2 No. 60079-0:2011, CSA C22.2 No. 60079-11:2011,
ANSI/ISA 12.27.01-2003

Class I, Division 1, Groups C, D, Temp Code T3C; Class I Zone 0
Ex ia IIB T4; when installed per Rosemount Drawing
04088-1207; Type 4X

FM12ATEX0030X

EN 60079-0:2012+A11:2013, EN 60079-1:2014, EN
60079-26:2015, EN 60529:1991+A1:2000

II 1/2 G Ex db IIC T6…T4 Ga/Gb, T4/T5(–50 ≤ Ta ≤ 80 °C), T6(–
50 ≤ Ta ≤ 65 °C)

Special Conditions for Safe Use (X):

1. This device contains a thin wall diaphragm less than 1 mm thickness
that forms a boundary between Category 1 (process connection) and
Category 2 (all other parts of the equipment). The model code and
datasheet are to be consulted for details of the diaphragm material.
Installation, maintenance and use shall take into account the
environmental conditions to which the diaphragm will be subjected.
The manufacturer's instructions for installation and maintenance
shall be followed in detail to assure safety during its expected
lifetime.

2. Flameproof joints are not intended for repair.

3. Appropriate cable, glands, and plugs need to be suitable for a
temperature of 5 °C greater than the maximum specified
temperature for location where installed.

4. The applicable temperature class, ambient temperature range and
process temperature range of the equipment is as follows:

28 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

• T4 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 120 °C

• T5 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 80 °C

• T6 for –50 ≤ Ta ≤ 65 °C with T process = –50 to 65 °C

5. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from Electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

6. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.

I1 ATEX Flameproof

Certificate

Standards

Markings

Supply Modbus RTD

Voltage U

Current I

Power P

Capacitance C

Inductance L

i

i

i

Baseefa13ATEX0221X

EN 60079-0:2012, EN 60079-11:2012

Ex II 1 G Ex ia IIB T4 Ga (–60 ≤ Ta ≤ +70 °C)

22 V 9 V 15.51 V

147 mA 26 mA 20.89 mA

1 W 1 W 80.94 mW

0 0 0

i

i

0 0 0

Special Conditions for Safe Use (X):

1. The Rosemount 4088 MV Transmitters fitted with transient
protection are not capable of withstanding the 500 V test as defined
in Clause 6.3.13 of EN 60079-11:2012. This must be taken into
account during installation.

2. The Rosemount 4088 MV enclosure may be made of aluminum alloy
and given a protective polyurethane paint finish; however, care
should be taken to protect it from impact or abrasion if located in a
Zone 0 area.

ND ATEX Dust

Certificate

Standards

FM12ATEX0030X

EN 60079-0:2012+A11:2013, EN 60079-31:2014, EN
60529:1991+A1:2000

Markings

Quick Start Guide 29

Ex II 2 D Ex tb IIIC T95 °C, Ta= –20 to 85 °C Db

Quick Start Guide April 2019

Special Conditions for Safe Use (X):

1. Cable entries must be used which maintain the ingress protection of
the enclosure to at least IP66/68.

2. Unused cable entries must be filled with suitable blanking plugs
which maintain the ingress protection of the enclosure to at least
IP66/68.

3. Cable entries and blanking plugs must be suitable for the ambient
range of the apparatus and capable of withstanding a 7J impact test.

4. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from Electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

5. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.

N1 ATEX Type n

8.7

Certificate

Standards

Markings

Special Condition for Safe Use (X):

The Rosemount 4088 MV Transmitters fitted with transient protection are
not capable of withstanding the 500 V test as defined in Clause 6.5.1 of EN
60079-15:2010. This must be taken into account during installation.

B aseefa13ATEX0222X

EN 60079-0:2012, EN 60079-15: 2010

Ex II 3 G Ex nA IIC T5 Gc (–40 ≤ Ta ≤ 70 °C)

International

E7 IECEx Flameproof

Certificate

Standards

Markings

Special Conditions for Safe Use (X):

1. This device contains a thin wall diaphragm less than 1 mm thickness

IECEx FMG 13.0024X

IEC 60079-0:2011, IEC 60079-1: 2014, IEC 60079-26: 2014

Ex db IIC T6…T4 Ga/Gb, T4/T5(–50 ≤ Ta ≤ 80 °C), T6(–50 ≤ Ta ≤
65 °C)

that forms a boundary between EPL Ga (process connection) and EPL
Gb (all other parts of the equipment). The model code and datasheet
are to be consulted for details of the diaphragm material.
Installation, maintenance and use shall take into account the
environmental conditions to which the diaphragm will be subjected.

30 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

The manufacturer's instructions for installation and maintenance
shall be followed in detail to assure safety during its expected
lifetime.

2. Flameproof joints are not intended for repair.

3. Appropriate cable, glands, and plugs need to be suitable for a
temperature of 5 °C greater than the maximum specified
temperature for location where installed.

4. The applicable temperature class, ambient temperature range and
process temperature range of the equipment is as follows:

• T4 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 120 °C

• T5 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 80 °C

• T6 for –50 ≤ Ta ≤ 65 °C with T process = –50 to 65 °C

5. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

6. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.

I7 IECEx Intrinsic Safety

Certificate

Standards

Markings

Supply Modbus RTD

Voltage U

Current I

Power P

Capacitance C

Inductance L

i

i

i

IECEx BAS 13.0110X

IEC 60079-0:2011, IEC 60079-11:2011

Ex ia IIB T4 Ga (–60 ≤ Ta ≤ +70 °C)

22 V 9 V 15.51 V

147 mA 26 mA 20.89 mA

1 W 1 W 80.94 mW

0 0 0

i

i

0 0 0

Special Conditions for Safe Use (X):

1. The Rosemount 4088 MV Transmitters fitted with transient
protection are not capable of withstanding the 500V test as defined
in Clause 6.3.13 of IEC 60079-11:2012. This must be taken into
account during installation.

Quick Start Guide 31

Quick Start Guide April 2019

2. The Rosemount 4088 MV enclosure may be made of aluminum alloy
and given a protective polyurethane paint finish; however, care
should be taken to protect it from impact or abrasion if located in a
Zone 0 area.

NK IECEx Dust

Certificate

Standards

Markings

Special Conditions for Safe Use (X):

1. Cable entries must be used which maintain the ingress protection of
the enclosure to at least IP66/68.

2. Unused cable entries must be filled with suitable blanking plugs
which maintain the ingress protection of the enclosure to at least
IP66/68.

3. Cable entries and blanking plugs must be suitable for the ambient
range of the apparatus and capable of withstanding a 7J impact test.

4. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from Electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

5. Display glass shall be positioned in such a way as to minimize the risk
of mechanical impact.

N7 IECEx Type n

Certificate

Standards

Markings

IECEx FMG 13.0024X

IEC 60079-0:2011, IEC 60079-31:2013

Ex tb IIIC T95 °C, Ta = –20 to 85 °C, Db

IECEx BAS 13.0111X

IEC 60079-0:2011, IEC 60079-15: 2010

Ex nA IIC T5 Gc (–40 ≤ Ta ≤ +70 °C)

Special Conditions for Safe Use (X):

1. The Rosemount 4088 MV Transmitters fitted with transient
protection are not capable of withstanding the 500 V test as defined
in Clause 6.5.1 of IEC 60079-15:2010. This must be taken into
account during installation.

8.8

32 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

Brazil

E2 INMETRO Flameproof

Certificate

UL-BR 15.0531X

April 2019 Quick Start Guide

Standards

ABNT NBR IEC60079-0:2013, ABNT NBR IEC60079-1:2016,
ABNT NBR IEC60079-26:2016

Markings

Ex db IIC T6…T4 Ga/Gb, T6(–50 ≤ Ta ≤ +65 °C), T5/T4(–50 ≤ T
≤ +80 °C)

Special Conditions for Safe Use (X):

1. This device contains a thin wall diaphragm. Installation, maintenance
and use shall take into account the environmental conditions to
which the diaphragm will be subjected. The manufacturer's
instructions for installation and maintenance shall be followed in
detail to assure safety during its expected lifetime.

2. Flameproof joints are not intended for repair.

3. Appropriate cable, glands, and plugs need to be suitable for a
temperature of 5 °C greater than the maximum specified
temperature for the location where it is installed.

4. Non-standard paint options (paint options other than Rosemount
Blue) may cause risk from electrostatic discharge. Avoid installation
that could cause electrostatic build-up on painted surfaces, and only
clean the painted surfaces with a damp cloth.

5. Display glass should be positioned in such a way as to minimize the
risk of mechanical impact.

6. The applicable temperature class, ambient temperature range and
process temperature range of the equipment is as follows:

• T4 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 120 °C

• T5 for –50 ≤ Ta ≤ 80 °C with T process = –50 to 80 °C

• T6 for –50 ≤ Ta ≤ 65 °C with T process = –50 to 65 °C

a

I2 INMETRO Intrinsic Safety

Certificate

Standards

UL-BR 15.0720X

ABNT NBR IEC60079-0:2008 + Errata 1:2011, ABNT NBR
IEC60079-11:2009

Markings

Supply Modbus RTD

Voltage U

Current I

Power P

Quick Start Guide 33

Ex ia IIB T4 Ga, T4(–60 ≤ Ta ≤ +70 °C)

i

i

i

22 V 9 V 15.51 V

147 mA 26 mA 20.89 mA

1 W 1 W 80.94 mW

Quick Start Guide April 2019

Supply Modbus RTD

Capacitance C

Inductance L

i

0 0 0

i

0 0 0

Special Conditions for Safe Use (X):

1. If the equipment is fitted with an optional 90V transient suppressor,
it is not capable of withstanding the 500 V insulation test required by
ABNT NBR IRC 60079-11. This must be taken into account when
installing the equipment.

2. The enclosure may be made of aluminum alloy and given a protective
polyurethane paint finish; however, care should be taken to protect it
from impact or abrasion in zones that require EPL Ga.

8.9 Technical Regulations Customs Union (EAC)

EM EAC Flameproof

8.10

Certificate

Markings

RU C-US.Mю62.B.02349

Ga/Gb Ex d IIC T6…T4 X, T5/T4(–50 ≤ Ta ≤ +80 °C), T6(–50 ≤ T
≤ +65 °C)

Special Conditions for Safe Use (X):

1. See certificate for special conditions.

IM EAC Intrinsically Safe

Certificate

Markings

RU C-US.Mю62.B.02349

0Ex ia IIB T4 Ga X, T4(–60 ≤ Ta ≤ +70 °C)

Special Conditions for Safe Use (X):

1. See certificate for special conditions.

Combinations

K1

K2

K5

K6

K7

KA

Combination of E1, I1, N1, and ND

Combination of E2 and I2

Combination of E5 and I5

Combination of E6 and I6

Combination of E7, I7, N7, and NK

Combination of E1, I1, E6, and I6

a

34 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

KB

KC

KD

KM

Combination of E5, I5, E6, and I6

Combination of E1, I1, E5, and I5

Combination of E1, I1, E5, I5, E6, and I6

Combination of EM and IM

Quick Start Guide 35

Quick Start Guide April 2019

8.11 EU Declaration of Conformity

36 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

Quick Start Guide 37

Quick Start Guide April 2019

38 Rosemount 4088B MultiVariable Transmitter Quick Start Guide

April 2019 Quick Start Guide

Quick Start Guide 39

*00825-0200-4088*

00825-0200-4088, Rev. DA

Quick Start Guide

April 2019

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