Rosemount BINOS 100 F and MLT 2 Addendum for Pressurized Analyzers in Hazardous Area Owner's manual

Rosemount
Brand
Rosemount
Model
BINOS 100 F and MLT 2 Addendum for Pressurized Analyzers in Hazardous Area
Type
Owner's manual
ATEX Instruction Manual
ETC01035
February 2008
MLT 2 and BINOS
®
100 F
Manual Upgrade for Pressurized Analyzers
intended to be used in Hazardous Areas
www.EmersonProcess.com
ESSENTIAL INSTRUCTIONS
READ THIS PAGE BEFORE PROCEEDING!
Emerson Process Management (Rosemount Analytical) designs, manufactures and tests
its products to meet many national and international standards. Because these instruments
are sophisticated technical products, you MUST properly install, use, and maintain
them to ensure they continue to operate within their normal speciî‚¿cations. The following
instructions MUST be adhered to and integrated into your safety program when installing,
using and maintaining Emerson Process Management (Rosemount Analytical) products.
Failure to follow the proper instructions may cause any one of the following situations
to occur: Loss of life; personal injury; property damage; damage to this instrument; and
warranty invalidation.
• Read all instructions prior to installing, operating, and servicing the product.
• If you do not understand any of the instructions, contact your Emerson Process
Management (Rosemount Analytical) representative for clariî‚¿cation.
• Follow all warnings, cautions, and instructions marked on and supplied with the
product.
• Inform and educate your personnel in the proper installation, operation, and
maintenance of the product.
• Install your equipment as specied in the Installation Instructions of the
appropriate Instruction Manual and per applicable local and national codes.
Connect all products to the proper electrical and pressure sources.
• To ensure proper performance, use qualied personnel to install, operate, update,
program, and maintain the product.
• When replacement parts are required, ensure that qualied people use replacement
parts speciî‚¿ed by Emerson Process Management (Rosemount Analytical).
Unauthorized parts and procedures can affect the product’s performance, place the
safe operation of your process at risk, and VOID YOUR WARRANTY. Look-alike
substitutions may result in î‚¿re, electrical hazards, or improper operation.
• Ensure that all equipment doors are closed and protective covers are in place,
except when maintenance is being performed by qualiî‚¿ed persons, to prevent
electrical shock and personal injury.
The information contained in this document is subject to change without notice.
6
th
edition 2008/02
5
th
edition 2007/09
Emerson Process Management
GmbH & Co. OHG
Industriestrasse 1
D-63594 Hasselroth
Germany
T +49 (0) 6055 884-0
F +49 (0) 6055 884-209
Internet: www.EmersonProcess.com
Original Instruction Manual for the purpose
of the European Directive 94/9/EC.
TOC-1Emerson Process Management GmbH & Co. OHG
1 Techn. Description
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Ta b l e o f Co n T e n T s
PREAMBLE ..........................................................................................................................S-1
Deî‚¿nitions
............................................................................................................................S-1
Symbols on or inside the instrument
................................................................................S-2
Symbols used in this manual
.............................................................................................S-3
Terms used in this manual .................................................................................................S-4
Safety instructions
..............................................................................................................S-6
CHAPTER 1 Technical Description 1-1
1.1 Application and Principle of Operation ...............................................................1-1
1.2 Description of Pressurization System .................................................................1-4
1.3 Technical Data ........................................................................................................1-5
1.3.1 Installation Site ...................................................................................................1-5
1.3.2 Explosion Protection..........................................................................................1-5
1.3.3 Electrical and Mechanical Data .........................................................................1-6
1.3.4 Pressurization Gas and Sample Gas Conditions ............................................1-7
1.3.5 Purge Gas Conditions ........................................................................................1-8
1.3.6 Differential Pressure Monitoring .......................................................................1-8
1.3.7 Infallible Containments ......................................................................................1-8
1.3.8 Nameplate Label .................................................................................................1-9
1.3.9 Equivalent Safety Devices ...............................................................................1-10
1.4 Additional Safety Measures ................................................................................ 1-11
CHAPTER 2 Installation 2-1
2.1 General....................................................................................................................2-2
2.2 Installing the Intrument .........................................................................................2-2
2.3 Dimensions.............................................................................................................2-3
2.4 Connecting Sample and Protective Gases ..........................................................2-7
2.4.1 Instructions for Handling Flammable Gases ...................................................2-7
2.4.2 MLT 2 Gas Flow Diagrams .................................................................................2-9
2.4.2.1 For Nonammable or Flammable Gases diluted below 1/4 LEL ................2-9
2.4.2.2 For Nondiluted Flammable Gases ..............................................................2-10
2.4.3 BINOS
®
100 F Gas Flow Diagrams ..................................................................2-12
2.4.3.1 For Nonammable or Fammable Gases diluted below 1/4 LEL ...............2-12
2.4.3.2 For Nondiluted Flammable Gases ..............................................................2-13
2.5 Adjusting the Pressurization System ................................................................2-15
2.6 Special Instructions .............................................................................................2-15
2.7 Electrical Connections ........................................................................................2-16
TOC-2 Emerson Process Management GmbH & Co. OHG
2.7.1 Cable Gland Assembly Instruction for Shielded Cables ..............................2-17
2.7.2 Signal Inputs and Outputs ...............................................................................2-17
2.7.3 Category 2 Equipment Mains Connection .....................................................2-18
2.7.4 Power Connection Category 3 Analyzer ........................................................2-19
2.7.4.1 Pressurization Control Unit .........................................................................2-20
CHAPTER 3 Startup 3-1
3.1 Final Check .............................................................................................................3-1
3.2 Switching On ..........................................................................................................3-2
3.2.1 Category 2 System .............................................................................................3-2
3.2.2 Category 3 System .............................................................................................3-2
CHAPTER 4 Maintenance 4-1
4.1 Routine Tests in General .......................................................................................4-2
4.1.1 Routine Tests Interval .......................................................................................4-2
4.1.2 Visual Inspections ..............................................................................................4-2
4.1.3 Close Examination .............................................................................................4-2
4.1.4 Detail Examination ............................................................................................4-2
4.2 Routine Tests .........................................................................................................4-3
4.2.1 Gasanalyzer, Analytical Function .....................................................................4-3
4.2.2 Gasanalyzer, Ex Protection ...............................................................................4-3
4.2.3 Differential Pressure Switch (Option) ...............................................................4-3
4.2.4 Pressurization System andother accessories .................................................4-3
4.2.5 Differential Pressure Switch ..............................................................................4-4
4.2.5.1 Preparation .....................................................................................................4-4
4.2.5.2 Differential Pressure Switch Test .................................................................4-5
4.2.5.3 Removal of Modiî‚¿cations ..............................................................................4-5
4.3 Tests after Modiî‚¿cation or Repair ........................................................................4-6
4.3.1 Analyzer Housing ...............................................................................................4-6
4.3.1.1 Preparation .....................................................................................................4-6
4.3.1.2 Overpressure Test ..........................................................................................4-7
4.3.1.3 Leak Test .........................................................................................................4-7
4.3.1.4 Removal of Modiî‚¿cations ..............................................................................4-7
4.4 Troubleshooting .....................................................................................................4-8
4.4.1 Pressurization System Not Activated ..................................................................4-8
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Table of Contents
TOC-3Emerson Process Management GmbH & Co. OHG
1 Techn. Description
APPENDIX A-1
A.1 EC Declarations of Conformity .............................................................................A-2
A.1.1 Category 2 Equipment .......................................................................................A-2
A.1.2 Category 3 Equipment .......................................................................................A-4
A.2 EC Type Examination Certiî‚¿cate ..........................................................................A-6
A.3 Manufacturer´s Declaration ................................................................................A-13
A.4 Circuit Diagrams, Cat. 2 Equipment ...................................................................A-14
A.4.1 MLT 2, single .....................................................................................................A-14
A.4.2 MLT 2, dual ........................................................................................................A-18
A.4.3 BINOS
®
100 F ....................................................................................................A-22
A.5 Circuit Diagrams, Cat. 3 Equipment ...................................................................A-24
A.5.1 MLT 2, single .....................................................................................................A-24
A.5.2 MLT 2, dual ........................................................................................................A-28
A.5.3 BINOS
®
100 F ....................................................................................................A-32
In d e x o f fI g u r e s
Fig. 1-1: Analyzer with Category 2 Pressurization System .......................................................................1-2
Fig. 1-2: Analyzer with Category 3 Pressurization System .......................................................................1-3
Fig. 1-3: Nameplate Label Details ................................................................................................................1-9
Fig. 2-1: Cat. 3 Single Enclosure Analyzer (Dimensions in mm) ..............................................................2-3
Fig. 2-2: Cat. 3 Dual Enclosure Analyzer (Dimensions in mm) .................................................................2-4
Fig. 2-3: Cat. 2 Single Enclosure Analyzer (Dimensions in mm) ..............................................................2-5
Fig. 2-4: Cat. 2 Dual Enclosure Analyzer (Dimensions in mm) .................................................................2-6
Fig. 2-3: Single and installed 8 ame arrestors ........................................................................................2-8
Fig. 2-6: Mains Terminals Inside Analyzer ................................................................................................2-19
Fig. 2-7: Mains Terminals Inside Control Unit ..........................................................................................2-20
Fig. 3-1: Cable gland sealing plug ...............................................................................................................3-1
Fig. 3-2: Cable gland hexagon socket screw sealing plug ......................................................................3-1
Fig. 4-1: Setup for Differential Pressure Switch Tests ..............................................................................4-5
Fig. 4-2: Setup for Enclosure Tests .............................................................................................................4-7
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Table of Contents
TOC-4 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Table of Contents
S-1Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
This instruction manual provides information about installing, operating and maintai-
ning/servicing pressurized BINOS

100 F and MLT 2 series gas analyzers in hazardous
(classiî‚¿ed) areas and shall be read in conjunction with the standard analyzer instruction
manual only!
This instruction manual covers BINOS

100 F and MLT 2 series gas analyzers variations and
therefore may describe conî‚¿gurations and/or options not part of your speciî‚¿c analyzer.
The following deî‚¿nitions apply to WARNINGS, CAUTIONS and NOTES found throughout
this publication.
NOTE
Highlights an essential operating procedure, condition or statement.
Highlights an operation or maintenance procedure, practice, condition,
statement, etc. which, if not strictly observed, could result in injury, death,
or long-term health hazards of personnel.
Highlights an operation or maintenance procedure, practice, condition,
statement, etc. which, if not strictly observed, could result in minor or
moderate injury or damage to or destruction of equipment, or loss of
effectiveness.
DEFINITIONS
PREAMBLE
S-2 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
This symbol appearing on or inside the
instrument ...
... signals
hazardous voltages are likely to be present.
Covers should only be removed when power
is removed from the equipment — and then by
trained service personnel only.
hot surfaces are likely to be present. Covers
should only be removed by trained service per-
sonnel when power is removed from the equip-
ment. Certain surfaces may remain hot to the
touch.
more detailled information and instructions are
required and available: Read the instruction
manuals.
SYMBOLS ON OR INSIDE THE INSTRUMENT
S-3Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Where this symbol appears in the manual... ... information is provided about
hazardous voltages likely to be present
high temperatures likely to be present
hazards of explosion likely to be present
toxic substances likely to be present
substances harmful to health likely to be
present
how to handle heavy instruments
electronics components sensitive to electrostatic
discharge
when it is necessary to disconnect equipment
from mains
essential procedures or conditions to be obser-
ved.
Also this symbol may mark an important state-
ment to ensure proper measuring conditions.
SYMBOLS USED IN THIS MANUAL
Where one or more of the following symbos appear in this instruction manual, carefully read the
given informations and instructions!
Observe the given warnings and instructions to avoid risks!
S-4 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
TERMS USED IN THIS MANUAL
ATEX
Directive 94/9/EC, commonly called the
ATEX („Atmosphères Explosibles“) products
directive.
Dilution
The continuous supply of a protective gas,
after purging, at such a rate that the con-
centration of a ammable mixture inside the
pressurized enclosure is maintained at a
value outside the explosive limits except in a
dilution area.
Containment System
The part of the analyzer containing the gas
that may constitute an internal source of re-
lease.
Flammable Gas(es)
Gases and gas mixtures are assigned to be
ammable if they might become ignitable
when in a mixture with air.
Area Classiî‚¿cation
Zone 1
Where ignitable concentrations of ammable
gases can exist some of the time under nor-
mal operating conditions.
(A guideline value [not part of a standard ] is
10 to 1.000 hours per year.)
Equipment to be used in Zone 1 has to be
classiî‚¿ed Category 2.
Zone 2
Where ignitable concentrations of ammable
gases are not likely to exist under normal
operating conditions.
(A guideline value [not part of a standard ] is
less than 10 hours per year.)
Equipment to be used in Zone 2 has to be
classiî‚¿ed Category 3.
External Explosion Protection
The „External explosion protection“ serves to
prevent penetration of explosive gas mixtu-
res into the analyzer enclosure. In addition it
avoids ignition on the surface. For this reason
the analyzer is purged with protective gas and
held at an internal overpressure compared to
the surrounding atmosphere.
Explosive Gas(es)
Flammable gases and gas mixtures of a
concentration within the explosion limits and
present in mixture with air.
S-5Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Terms used in this manual
Pre-Purging
The pre-purging phase serves to remove any
combustible gas out of the analyzer’s enclos-
ure prior to switching on the analyzer. During
this time the housing is purged with 5 times
its own volume.
Lower Explosion Limit (LEL)
Volume ratio of ammable gas in air below
which an explosive gas atmosphere will not
be formed: the mixture of gas and air lacks
sufî‚¿cient fuel (gas) to burn.
Purge mode „Continuous Flow“
In EEx p „continuous ow mode“ the protec-
tive gas ows with higher rates through the
enclosure. Flow rates are calculated to hold
an overpressure of > 1 mbar compared to
atmospheric.
Protective Gas
Air or inert gas used for purging and maintai-
ning an overpressure and, if required, diluti-
on.
Purge mode „Leakage Compensation“
In EEx p „leakage compensation mode“ just
as much protective gas is used to hold an
overpressure of > 1 mbar compared to at-
mospheric.
Upper Explosion Limit (UEL)
Volume ratio of ammable gas in air above
which an explosive gas atmosphere will not
be formed: the mixture of gas and air is too
rich in fuel (deî‚¿cient in oxygen) to burn.
Internal Explosion Protection
The „Internal explosion protection“ serves
to prevent ignition of gas being present in
the analyzer’s Containment System (CS;=
sample gas path).
Dependent on the gas composition several
options are available:
None required (if gas is noncombustible),
dilution by purge gas or/and internal overpres-
sure of the analyzer’s enclosure compared
to the CS.
S-6 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
AUTHORIZED PERSONNEL
To avoid explosions, loss of life, personal injury and damage to this equipment and on-site
property, do not operate or service this instrument before reading and understanding this
instruction manual and receiving appropriate training.
SAFETY SUMMARY
If this equipment is used in a manner not speciî‚¿ed in these instructions, protective sy-
stems may be impaired.
INTENDED USE STATEMENT
Emerson series gas analyzers described herein are intended to be used as analyzers for
industrial purposes. They must not be used in medical, diagnostic or life support appli-
cations nor as safety devices, and no independent agency certiî‚¿cations or approvals are
to be implied as covering such applications!
ADDITIONAL LITERATURE
This manual covers aspects speciî‚¿c for using pressurized BINOS

100 F and MLT 2 series
gas analyzers analyzers in hazardous (classiî‚¿ed) areas, only.
To install, start-up, operate and maintain/service the instrument in a safe manner it is
MANDATORY to read all additional instruction manuals shipped together with the instru-
ment!
The following instruction manuals are available and/or referenced within this manual at
hand and, depending on your system´s conguration, shipped with your analyzer:
90002929 MLT Hardware instruction manual
HAS3xE-IM-SW39 MLT Software instruction manual (rev. 3.9.x or later)
HAS1xE-IM-HS BINOS 100 series instruction manual
HASICE-IM-H Infallible Containment instruction manual
User´s Manual F 850 S Zone 1 Pressurized Enclosure System User´s Manual
User´s Manual F 840 Zone 2 Pressurized Enclosure System User´s Manual
SAVE ALL INSTRUCTIONS FOR FUTURE USE!
Contact your local service center or sales ofî‚¿ce when missing documents.
SAFETY INSTRUCTIONS
S-7Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
EXPLOSION HAZARD
Read all instruction manuals (including versions for auxiliary equipment)
before installing this instrument!
Violating safety instruction can cause explosion and/or injury, death, or
long-term health hazards of personnel!
Safety Instructions
HEAVY INSTRUMENT
The analyzer to which this manual relates, intended to be wall mounted
and/or outdoor installed, weighs up to approx. 40 kg, depending on included
options!
Use two people and/or suitable tools for transportation and lifting these
instruments!
Take care to use anchors and bolts speciî‚¿ed to be used for the weight of
the units!
Take care the wall or stand the unit is intended to be installed at is solid
and stable to hold the units!
Don´t use the attached pressurization unit´s components as a transportation
handle!
EXPLOSION HAZARD
Operating an open instrument or an instrument with disabled pressurization
system for maintenance requires a hot work permit to be issued to ensure,
the surrounding atmosphere is safe to operate the instrument!
Using the bypass key is permitted for maintenance only!
S-8 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
EXPLOSIONS HAZARD
When installing optional ame arrestors take care to properly x the tube
î‚¿ttings for leak free installation!
Fittings not tight enough (especially those at the enclosure side of the
ame arrestors) may increase safety of the whole equipment and can cause
explosions!
Read and follow the accompanying ame arrestor´s instructions!
EXPLOSION HAZARD
Installing and wiring this instrument must comply with all relevant national
legislative requirements and regulations.
Consider all safety instructions within this on hand manual and all associa-
ted analyzer instruction manuals!
POSSIBLE EXPLOSION HAZARD
Do NOT operate the instrument with doors or covers open! This is permitted
only when no hazardous atmosphere is present!
Depending on the local regulation, this may require a competent hot work
supervisor to issue a hot work permit.
Safety Instructions
The operator should take into account the possibility of air penetrating
the containment system through a leak and the formation of explosive
atmosphere. Additional safety measures may be required for safe
operation!
S-9Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
ELECTRICAL SHOCK HAZARD
Installation and connecting power and signal cables are subject to qualiî‚¿ed
personnel only taking into account all applicable standards and legislative
requirements! Especially the standard EN 60079-14 „Electrical Installations
in Hazardous Areas“ and all related standards have to be observed.
Failure to follow may cause warranty invalidation, property damage and/or
personal injury or death!
Installation of these instruments is subject to qualiî‚¿ed personnel only,
familiar with the resulting potential risks! Instruments providing screw
terminals for electrical connections may require working near live part!
Analyzers described in this manual do not provide a power switch!
A power switch or circuit breaker (complying with IEC 60947-1/-3) has to be
provided in the building installation. This switch has to be installed near
by analyzer, must be easily operator accessible and has to be assigned as
disconnector for the analyzer.
Disconnect instruments with screw terminals from power when working at
power terminals (pull power plug or operate power switch/ circuit breaker
in building installation)!
The analyzers provide a protective earth terminal. To prevent electrical
shock hazards the instruments must be connected to a protective earth.
Therefore the instruments must be connected to power by using a three
wire power cable with earth conductor!
Any interruption of the earth connector inside or outside the instrument
or disconnecting the earth terminal may cause potential electrical shock
hazzard!
The analyzers do not provide a power switch and are operable when connec-
ted to power.
Safety Instructions
S-10 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
EXPLOSION HAZARD
Installing this instrument requires opening the enclosure and working at
the open instrument. This is permitted only when no hazardous atmosphere
is present!
Depending on the local regulation, this may require a competent hot work
supervisor to issue a hot work permit.
ELECTRICAL SHOCK HAZARD
Verify the power supply at installation site meets the speciî‚¿cation given on
the analyzer´s nameplate label, before installing the instrument!
Verify power cables are disconnected and/or instrument is de-energized
prior to working at the terminals!
Verify the power cord is layed with a distance of at least 1 cm (0.5“) to any
signal cable to ensure proper insulation from signal circuits!
ELECTRICAL SHOCK HAZARD
Before completing the electrical connection of the instrument, verify cables
are inserted and connected in proper way!
Ensure the earthing conductor (protective earth; PE) is connected!
Safety Instructions
S-11Emerson Process Management GmbH & Co. OHG
Safety Instructions
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
EXPLOSION HAZARD
When the analyzer is out of order or if the pressurization unit shuts off
due to a failure all non-intrinsically safe inputs and outputs connected to
external equipment MUST be shut off too!
This ensures that no hazardous voltages are present within the analyzer
enclosure when not pressurized.
Safety Instructions
HIGH PRESSURE HAZARD
The maximum inlet purge gas pressure at the inlet valve must not exceed
6900 hPa (6,9 bar)!
Higher pressure may damage the analyzer enclosure in case of failure of
the inlet valve!
Take care to externally limit the maximum inlet purge gas pressure!
1-1Emerson Process Management GmbH & Co. OHG
1 Techn. Description
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
CHAPTER 1
Technical Description
1.1 Application and Principle of Operation
The gas analyzers of type BINOS

100 F and
MLT 2 are intended to measure gas compon-
ents within gas mixtures. In combination with
an appropriate certiî‚¿ed pressurization system
(protection method „Pressurized Enclosure“
Ex p) they can be installed and operated in
hazardous areas of Zone 2.
Pressurization acts as external explosion
protection and prevents external explosive
atmosphere to penetrate into the analyzer
by holding the enclosure at an overpressure
compared to the surrounding
The type of purge system used varies de-
pendent on the area where the analyzer is
intended to be installed. Both systems offer
two modes of operation:
• Ex p with continuous ow
and
• Ex p with leakage compensation.
Dependent on the sample gas composition it
may be necessary to take care of internal explo-
sion protection which refers to the sample gas
path (containment system) in the analyzer.
One has to differentiate between the following
measurement applications:
• Nonammable gases and gas mixtu-
res below the LEL: It must be ensured
that the sample gas in the containment
system always remains below the lower
explosive limit!
• Flammable gases and gas mixtures
may be analyzed using an analyzer with
pressurization method „leakage compen-
sation“ when the sample gas is diluted
below ¼ LEL outside the analyzer, so the
resulting sample gas is to be categorized
„nonflammable“. The diluting system
must ensure that the gas in the contain-
ment system always remains below ¼
LEL.
• Flammable gases and gas mixtures
may be analyzed using an analyzer
with pressurization method „leakage
compensation“ or „continuous flow“
when the analyzer enclosure has an
internal overpressure of > 50 Pa above
the pressure in the containment system.
To ensure this condition a differential
pressure switch is used and connec-
ted between containment system and
analyzer enclosure, activating an alarm
contact in case the pressure decreases
below the level of 50 Pa. For Category 2
instruments the purging unit disconnects
the analyzer from it’s power supply and
starts a prepurge phase. For Category 3
instruments the operator has to ensure
the alarm signal is interpreted in a proper
way. If more than one switch is needed
because more than one ammable gas is
supplied to the analyzer, the contacts of
these switches have to be connected in
series. Purge medium may be inert gas
or air.
Depending on the measured gas and
methode infallible containments may be
used, so differential pressure switches
become redundant.
1-2 Emerson Process Management GmbH & Co. OHG
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
1.1 Application and Principle of Operation
1 2 3 4 5 1 2 3 4 5687 7
Fig. 1-1: Analyzer with Category 2 Pressurization System
1 Purge gas inlet
2 Pressure relief valve (on bottom or optional on top side)
3 Purge gas outlet
4 Control unit
5 Analzer front door
6 Analyzer physics door (dual enclosure MLT 2 only)
7 Cable inlets
8 Gas î‚¿ttings
1-3Emerson Process Management GmbH & Co. OHG
1 Techn. Description
MLT 2 / BINOS

100 F
ATEX Instruction Manual
ETC01035
02/2008
Fig. 1-2: Analyzer with Category 3 Pressurization System
1 2 3 4 5 1 2 3 4 5687 7
1 Purge gas inlet
2 Pressure relief valve (on bottom or optional on top side)
3 Purge gas outlet
4 Control unit
5 Analzer front door
6 Analyzer physics door (dual enclosure MLT 2 only)
7 Cable inlets
8 Gas î‚¿ttings
1.1 Application and Principle of Operation
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Rosemount BINOS 100 F and MLT 2 Addendum for Pressurized Analyzers in Hazardous Area Owner's manual

Rosemount
Brand
Rosemount
Model
BINOS 100 F and MLT 2 Addendum for Pressurized Analyzers in Hazardous Area
Type
Owner's manual
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