Siemens SIPROCESS GA700 User manual

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Continuous gas analysis
SIPROCESS GA700
Quick Start
Compact Operating Instructions
05/2018
A5E31805656
-06
Introduction
1
Safety instructions
2
General information
3
Combination operation
4
Installing
5
Connecting
6
Commissioning
7
Operation
8
Service and maintenance
9
Dismantling and disposal
10
Technical specifications
11
Appendix A
A

Siemens AG
Division Process Industries and Drives
Postfach 48 48
90026 NÜRNBERG
GERMANY
Document order number: A5E31805656
Ⓟ05/2018 Subject to change
Copyright © Siemens AG 2013 - 2018.
All rights reserved
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by
personnel qualified
for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.

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Compact Operating Instructions, 05/2018, A5E31805656-06 3
Table of contents
1 Introduction............................................................................................................................................. 7
1.1 Purpose of this document .........................................................................................................7
1.2 History.......................................................................................................................................7
1.3 Purpose.....................................................................................................................................8
1.4 Field of application....................................................................................................................8
1.5 Qualified personnel...................................................................................................................9
1.6 Checking delivery......................................................................................................................9
1.7 Transportation and storage.....................................................................................................10
1.8 Warranty conditions ................................................................................................................10
2 Safety instructions................................................................................................................................. 11
2.1 Requirement for safe use .......................................................................................................11
2.1.1 Warning symbols on the device..............................................................................................11
2.1.2 Laws and directives ................................................................................................................11
2.1.3 Conformity with European directives ......................................................................................12
2.2 Basic safety instructions .........................................................................................................12
3 General information .............................................................................................................................. 15
3.1 Requirements for special applications ....................................................................................15
3.2 Automatic reset .......................................................................................................................15
3.3 Measuring high oxygen concentrations ..................................................................................16
4 Combination operation .......................................................................................................................... 17
4.1 Slots for analyzer modules .....................................................................................................17
4.2 Operating modes ....................................................................................................................18
4.2.1 Setting note.............................................................................................................................18
4.2.2 Serial/parallel operation ..........................................................................................................18
4.2.3 Pressure operation/Suction operation ....................................................................................18
4.2.4 Changing the operating mode ................................................................................................19
4.3 Gas connections .....................................................................................................................19
4.3.1 Sample gas restrictors/clamping screws ................................................................................19
4.3.2 Mounting conditions................................................................................................................22
4.4 Plug & Measure: Permissible activities...................................................................................26
4.4.1 General information ................................................................................................................26
4.4.2 Notes on the configuration change .........................................................................................26
4.4.3 Case differentiations ...............................................................................................................28

Table of contents
4
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5 Installing ............................................................................................................................................... 31
5.1 General safety instructions for installation ............................................................................. 31
5.2 Installation instructions........................................................................................................... 33
5.3 Rack-mounted device ............................................................................................................ 34
5.3.1 Device-specific safety instructions ......................................................................................... 34
5.3.2 Installing the rack-mounted device ........................................................................................ 35
5.4 Wall-mounted device ............................................................................................................. 36
5.4.1 Device-specific safety instructions ......................................................................................... 36
5.4.2 Installing the wall-mounted device......................................................................................... 36
6 Connecting ........................................................................................................................................... 39
6.1 Gas connections .................................................................................................................... 39
6.1.1 General safety instructions for gas connections .................................................................... 39
6.1.2 Connection information .......................................................................................................... 40
6.1.3 Installing/removing the sample gas restrictor ........................................................................ 42
6.1.4 Gas connections for rack device/wall-mounted device.......................................................... 43
6.1.4.1 OXYMAT 7 ............................................................................................................................. 43
6.1.4.2 ULTRAMAT 7......................................................................................................................... 46
6.1.4.3 CALOMAT 7........................................................................................................................... 48
6.1.4.4 Purging gas connections on wall-mounted device................................................................. 50
6.1.5 Connecting gas ...................................................................................................................... 51
6.2 Electrical connections ............................................................................................................ 51
6.2.1 General safety instructions for electrical connections............................................................ 51
6.2.2 Connection information .......................................................................................................... 52
6.2.3 Requirements for electrical connection.................................................................................. 53
6.2.4 Connecting rack-mounted device electrically ........................................................................ 53
6.2.4.1 Connecting signal and Ethernet cables ................................................................................. 53
6.2.4.2 Connecting the power supply................................................................................................. 55
6.2.4.3 Electrical connections and pin assignments at the rack-mounted device ............................. 56
6.2.5 Connecting wall-mounted device electrically ......................................................................... 60
6.2.5.1 Device-specific safety instructions ......................................................................................... 60
6.2.5.2 Connecting the signal cables ................................................................................................. 61
6.2.5.3 Connecting the Ethernet cable............................................................................................... 62
6.2.5.4 Connecting the power supply................................................................................................. 64
6.2.5.5 Electrical connections and terminal assignment at the wall-mounted device........................ 65
6.2.6 Spark suppression: Example ................................................................................................. 69
6.2.6.1 Overview: Spark suppression for rack-mounted device ........................................................ 70
6.2.6.2 Overview: Spark suppression for wall-mounted device......................................................... 71
6.2.6.3 Measures to suppress sparks ................................................................................................ 71
7 Commissioning ..................................................................................................................................... 73
7.1 General safety instructions for commissioning ...................................................................... 73
7.2 General information on commissioning ................................................................................. 74
7.3 Gas preparation ..................................................................................................................... 76

Table of contents
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7.4 Introduction of reference gas ..................................................................................................77
7.4.1 General information on reference gas ....................................................................................77
7.4.2 Introducing reference gas .......................................................................................................78
7.4.3 Requirements for reference gas from the gas cylinder...........................................................78
7.4.4 Check the reference gas flow .................................................................................................78
7.4.5 Reference gas monitoring with pressure switch .....................................................................79
7.5 Checking gas paths for leaks..................................................................................................79
7.5.1 General information on leaks..................................................................................................79
7.5.2 Recommended test setup.......................................................................................................80
7.5.3 Checking the OXYMAT 7 for leaks .........................................................................................81
7.5.4 Checking the ULTRAMAT 7 for leaks.....................................................................................82
7.5.5 Checking the CALOMAT 7 for leaks.......................................................................................83
7.6 Requirements for startup ........................................................................................................83
7.7 Commissioning the device......................................................................................................84
7.7.1 [1.1] Input of basic settings .....................................................................................................87
7.7.2 [1.2] Set automatic log-off.......................................................................................................88
7.7.3 [1.3] Set analog outputs..........................................................................................................89
7.7.4 [1.4] Measuring ranges ...........................................................................................................91
7.7.4.1 Overview of measuring ranges ...............................................................................................91
7.7.4.2 Setting the measuring ranges.................................................................................................92
7.7.4.3 Setting Autoranging ................................................................................................................94
7.7.5 [1.5] Calibration.......................................................................................................................95
7.7.5.1 Calibration/validation overview ...............................................................................................96
7.7.5.2 Carrying out calibration/validation...........................................................................................99
7.7.6 [1.6] Save parameter set ......................................................................................................101
7.7.6.1 Parameter sets overview ......................................................................................................101
7.7.6.2 Save parameter set...............................................................................................................101
8 Operation............................................................................................................................................ 103
8.1 Local User Interface (LUI).....................................................................................................103
8.2 Menu structure ......................................................................................................................107
8.2.1 Main menu ............................................................................................................................107
8.2.2 Subordinate menus...............................................................................................................108
9 Service and maintenance.................................................................................................................... 113
9.1 General safety instructions ...................................................................................................113
9.2 General information on maintenance....................................................................................115
9.3 Cleaning the device ..............................................................................................................115
9.4 Maintaining analyzers ...........................................................................................................115
10 Dismantling and disposal .................................................................................................................... 117
10.1 Dismantling ...........................................................................................................................117
10.2 Information on recycling........................................................................................................118

Table of contents
6
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11 Technical specifications .......................................................................................................................119
11.1 Determining the technical specifications.............................................................................. 119
11.2 Technical specifications of rack-mounted housing .............................................................. 119
11.3 Technical specifications of the wall housing ........................................................................ 121
11.4 Technical specifications of analyzer modules...................................................................... 123
11.4.1 OXYMAT 7 technical specifications ..................................................................................... 123
11.4.2 Technical data ULTRAMAT 7 .............................................................................................. 127
11.4.3 CALOMAT 7 technical specifications................................................................................... 131
A Appendix A ..........................................................................................................................................135
A.1 References........................................................................................................................... 135
A.2 Certificate ............................................................................................................................. 137
A.3 Technical support................................................................................................................. 137
Index ...................................................................................................................................................139

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Introduction
1
1.1
Purpose of this document
These compact operating instructions are a brief summary of important features, functions
and safety instructions, and contain all the information required for safe use of the device.
This is information on the mounting, connection, commissioning, operation, maintenance and
servicing of the device.
These compact operating instructions are aimed at qualified personnel who were instructed
and trained on all types of work on the device in non-hazardous areas and possible dangers
in case of improper behavior.
It is your responsibility to read the compact operating instructions thoroughly and to
understand them before starting any work. To guarantee correct handling, you should
become acquainted with the principle of operation of the gas chromatograph.
The compact operating instructions belong to the device. Keep them in the direct vicinity of
the device.
To achieve optimum usage of the device, read the detailed version of the operating
instructions: → References (Page 135).
1.2
History
The following table includes information on the different editions of this document.
Table 1- 1 History
Edition
Comment
01/2013 First edition
05/2014 Expansion option modules OM 1.1 and OM 2.2 (analog inputs, digital inputs, digital out-
puts), corrections
05/2015 Extension for analyzer modules CALOMAT 7 and ULTRAMAT 7
03/2016 Additional module combinations for CALOMAT 7 and ULTRAMAT 7.
Extended ULTRAMAT 7 area of application: measurement of components NO, N2O,
SO
2
, CH
4
, C
2
H
4
, NH
3
06/2017 ULTRAMAT 7: Measurement of two components simultaneously.
Corrosion resistant versions of ULTRAMAT 7 and OXYMAT 7
Cleaned for O2: Variants with specially cleaned gas path for sample gases with high
oxygen content
05/2018 Wall-mounted device: Expansion with high-temperature OXYMAT 7 and ULTRAMAT 7
analyzer modules.
Extending and updating the document

Introduction
1.3 Purpose
8
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1.3
Purpose
The device is designed for the concentration analysis of gases in gas mixtures. Depending
on the installed analyzer module, different gases can be examined.
Use the device only for measuring/analysis of gas concentrations in gas mixtures according
to the information in section "Technical specifications (Page 119)".
Note
Thi
s device meets the requirements of NAMUR Recommendation 53.
Note
Use in home environment
This equipment of Class A Group 1 is intended solely for use in industrial areas.
If used in homes, the device may cause radio interference.
Note
For more information on the compatibility of the hardware and firmware, refer to:
Siemens Industry Online Support (
https://support.industry.siemens.com/cs/de/en/ps/17731).
You will find more information in the operating instructions, see "References (Page 135)".
1.4
Field of application
These compact operating instructions only cover
non
-explosion-proof SIPROCESS GA700
devices. You can find information on explosion-proof SIPROCESS GA700 devices in the
compact operating instructions "Devices in explosion-proof version", see Table A-5
References 5 - Compact Operating Instructions Ex (Page 136).
A SIPROCESS GA700 device comprises of a basic device (enclosure) into which up to two
exchangeable analyzer modules can be inserted. The basic device can be delivered in two
variants: As a 19'' rack-mounted enclosure with three height units or as an enclosure for wall
mounting. The analyzer modules are selected in accordance with the measuring task and
local conditions.
The following analyzer modules are available for basic devices:
●Standard analyzer modules OXYMAT 7, ULTRAMAT 7 and CALOMAT 7 for rack-
mounted devices and wall-mounted devices; up to two analyzer modules possible per
basic device.
●High-temperature analyzer modules OXYMAT 7 and ULTRAMAT 7 only for wall-mounted
devices; only one analyzer module possible per wall-mounted device.

Introduction
1.5 Qualified personnel
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Compact Operating Instructions, 05/2018, A5E31805656-06 9
The following table provides an overview of the device versions.
Table 1- 2 SIPROCESS GA700 devices with analyzer modules
Device variants
MLFB number1)
Basic devices:
Rack-mounted device 7MB3000-0****-****
Wall-mounted device 7MB3000-3****-****
7MB3000-4****-****
Analyzer modules, standard version:
OXYMAT 7
7MB3020-0***0-*AA*
ULTRAMAT 7
7MB3010-0****-0A**
CALOMAT 7
7MB3040-0****-0***
Analyzer modules, high-temperature version:
OXYMAT 7 high-temperature
7MB3020-1***0-*AA*
ULTRAMAT 7 high-temperature
7MB3010-1****-0A**
1) Machine-readable product designation
1.5
Qualified personnel
Persons who install, connect, commission, operate, service, maintain and disassemble the
device must have the following specific qualifications:
●They are authorized and trained or instructed in operating and maintaining devices and
systems according to the safety regulations for electrical circuits, high pressures and
corrosive as well as hazardous media.
●They are trained or instructed in the maintenance and use of appropriate safety
equipment according to the pertinent safety regulations.
1.6
Checking delivery
1. Check the packaging and the device for visible damage caused by inappropriate handling
during shipping.
2. Report any claims for damages immediately to the shipping company.
3. Retain the damaged parts until clarification.
4. Check the scope of delivery for correctness and completeness on the basis of the
delivery note. Compare the serial numbers on the delivery note with the serial numbers
on the basic device or on the analyzer modules.
5. Check whether the package includes the following items:
–CD-ROM "Manual Collection" CD-ROM "Manual Collection"
–This printed copy of the Compact Operating Instructions (not with loose delivery).

Introduction
1.7 Transportation and storage
10
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Note
Installation of analyzer modules
The analyzer module is only installed in the basic device at the factory if you select the
options "D00 to D99" when ordering an analyzer module.
If you do not specify the module assignment/installation location during the ordering process,
the analyzer module is delivered separately from the basic device ("separate delivery").
If the analyzer module is delivered separately, you must install it in the basic device yourself.
Information on this point is only available in the Operating I
nstructions of the unit,
see
"References (Page 135)".
1.7
Transportation and storage
To ensure sufficient protection during transport and storage, observe the following:
●Keep the original packaging for subsequent transportation.
●Devices/replacement parts should be returned in their original packaging.
●If the original packaging is no longer available, please ensure that all shipments are
sufficiently protected during transport by the replacement packaging. The manufacturer
accepts no liability for additional costs resulting from damage during transportation.
●Store the device in a dry place, vibration-free and horizontal.
Note
Insufficient protection during storage
The packaging only provides limited protection against moisture and infiltration.
•
Provide additional packaging as necessary.
Special conditions for storage and transportation of the device are listed in section
"Technical specifications (Page 119)".
1.8
Warranty conditions
We expressly point out that the product quality is exclusively and conclusively described in
the sales contract. The content of this product documentation is neither a part of a previous
or existing agreement, promise or legal relationship, nor is it intended to modify these. All
obligations on the part of Siemens AG are contained in the respective sales contract, which
also contains the complete and solely applicable liability provisions. The provisions defined
in the sales contract for the responsibility for defects are neither extended nor limited by the
remarks in this document.

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Safety instructions
2
2.1
Requirement for safe use
In terms of safety, this device left the factory in perfect condition. In order to maintain this
status and to ensure safe operation of the device, observe these compact operating
instructions and all the information relevant to safety.
Observe the information and symbols on the device. Do not remove any information or
symbols from the device. Always keep the information and symbols in a completely legible
state and renew them, if required.
2.1.1
Warning symbols on the device
Symbol
Description
Consult operating instructions
Hot surface
Dangerous electrical voltage
2.1.2
Laws and directives
Observe the test certification, provisions and laws applicable in your country in the currently
valid version during connection, assembly and operation. These include, for example:
●National Electrical Code (NEC - NFPA 70) (USA)
●Canadian Electrical Code (CEC) (Canada)
Additional provisions for applications in hazardous areas are, for example:
●IEC 60079-14 (international)
●EN 60079-14 (EU)
Additional information is available at:
Certificate (Page 137)

Safety instructions
2.2 Basic safety instructions
12
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2.1.3
Conformity with European directives
The CE marking on the device shows conformity with the regulations of the following
European guidelines:
Electromagnetic compatibility
EMC 2014/30/EU
Directive of the European Parliament and of the Council
of 2
6 February 2014 on the harmonization of the laws of the
Member States relating to electromagnetic compatibility (new
version)
Low voltage directive LVD
2014/35/EU
Directive of the European Parliament and of the Council of 26
February 2014 on the harmonization of the laws of the Member
States relating to the making available on the market of electr
i-
cal equipment designed for use within certain voltage limits
(new version)
Atmosphère explosible
ATEX 2014/34/EU
Directive of the European Parliament and of
the Council of 26
February 2014 on the harmonization of the laws of the Member
States relating to equipment and protective systems intended
for use in potentially explosive atmospheres (new version)
Restriction of certain
Hazardous Substances
RoHS 2011
/65/EU
Directive of the European Parliament and of the Council
of 8 June 2011 on the restriction of the use of certain h
azard-
ous substances in electrical and electronic equipment (new
version)
The standards applied can be found in the EU Declaration of Conformity for the associated
device.
2.2
Basic safety instructions
WARNING
Introduction of combustible gases
Explosion hazard
Devices in standard version are not designed for use in hazardous areas.
•Do not use a standard version of the analyzer in hazardous areas.
•Supply gases with flammable components at concentrations above the lower explosion
limit (LEL) only in devices with pipes.

Safety instructions
2.2 Basic safety instructions
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WARNING
Device modifications
Danger to personnel, system and the environment can result from modifications and repairs
to the device.
•
Only carry out modifications or repairs that are described in the operating instructions for
the device.
•Failure to observe this requirement cancels the manufacturer's warranty and the product
approvals.

Safety instructions
2.2 Basic safety instructions
14
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General information
3
3.1
Requirements for special applications
Due to the number or possible applications, this document does not include all detailed
information on the described device versions. This means not every possible scenario for
commissioning, operating, maintenance or operation in plants is taken into consideration.
Should you require additional information which is not included in these instructions, please
contact your local SIEMENS office or your SIEMENS partner.
Note
Operation under special ambient conditions
If you want to use the device under special ambient conditions, for example, in nuclear
power
plants or for research and development purposes,
we recommend:
First contact your local SIEMENS partner or our application department.
Explain the specific
application and clarify the operating conditions.
3.2
Automatic reset
All SIPROCESS GA700 devices feature internal monitoring. When this monitoring is
activated, the standard digital outputs switch after about 4 seconds for a period of approx. 60
seconds to "inactive", i.e. to a recognized safe operating mode. These times are valid for
devices manufactured as of 09/2017. You can find this information on the nameplate. It can
take up to 10 seconds for older devices to switch over, and up to 100 seconds to switch to
safe operating mode.
If you are using SIPROCESS GA700 devices in critical processes, observe the following
information:
●Monitor the limits externally via the control system.
●If an option module 2.1 is installed,
read out the device status via the digital outputs of the
option module.
●Use an available manual measuring range switchover instead of the autoranging.
●Only use the "Total" parameter with the "Off" setting for the measuring range switchover.
●If you use the "Correction of cross-interference" and "External pressure compensation"
functions, store suitable substitute values.
●Only access the measured value via an analog output.

General information
3.3 Measuring high oxygen concentrations
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3.3
Measuring high oxygen concentrations
Note
Measuring high oxygen concentrations
For the measurement of high O
2concentrations in excess of 25%, it is absolutely necessary
that all parts that come in contact with the sample gas are free of oil and grease and do not
contain any particles that could react with O
2.
We highly recommend you use specially cleaned analyzer modules with the "Cleaned for O
2
"
option fo
r such measurements.

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Combination operation
4
4.1
Slots for analyzer modules
The figure below shows the slots for the analyzer modules.
Rack-mounted device - rear view:
①
Slot 1 (AM1), example OXYMAT 7
②
Slot 2 (AM2), example CALOMAT 7
Wall-mounted device - rear view:
③
Slot 1 (AM1), example OXYMAT 7
④
Slot 2 (AM2), example ULTRAMAT 7
Figure 4-1 Slots for analyzer modules
Note
High-temperature analyzer modules
The
-high-temperature analyzer modules OXYMAT 7 and ULTRAMAT 7 are designed solely
for wall
-
mounted devices and, because of their size, can only be installed individually into the
wall
-mounted device. A high-temperature analyzer modules takes up both slots (AM1 and
AM2). For additional information on the layout of the gas connections for the OXYMAT 7,
refer to the
Figure 6-3 Gas connections of a high-temperature OXYMAT 7 in the wall-
mounted unit, bottom
(Page 45).

Combination operation
4.2 Operating modes
18
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4.2
Operating modes
4.2.1
Setting note
Note
Operating mode-specific parameter assignment of the gas path in serial/parallel operation
Analyzer modules can be operated in series or in parallel.
•
If you are only using one analyzer module or want to operate two analyzer modules in
series, set the value "Shared" in the "Gas path" parameter field.
•
If you are operating two analyzer modules in parallel, however, select the setting
"Separate".
You can find the corresponding setting options in the menu →
[2.12].
4.2.2
Serial/parallel operation
If you are using two analyzer modules in one basic device, the analyzer modules can be
operated in series or in parallel:
●Serial operation: The sample gas flows through the analyzer modules consecutively.
To do this, connect the sample gas outlet of the analyzer module filled first to the sample
gas inlet of the second analyzer module.
●Parallel operation: The sample gas flows separately through the analyzer modules.
To do this, connect each sample gas inlet individually to the sample gas in such a way
that the analyzer modules are supplied separately with sample gas.
4.2.3
Pressure operation/Suction operation
The analyzer modules can be operated in pressure operation and in suction operation:
●Pressure operation: The sample gas is fed into the analyzer module with overpressure
from the gas line or gas bottle.
●Suction operation: The sample gas is sucked out of the analyzer module by a
downstream pump.

Combination operation
4.3 Gas connections
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4.2.4
Changing the operating mode
Please observe the following points when switching between the operating modes:
●Check the mounting positions of sample gas restrictors or clamping screws at the sample
gas connections. If required, change them in accordance with the selected operating
mode.
For additional information, refer to the section "Mounting conditions (Page 22)".
●In the menu, adapt the parameter field of the gas path.
Additional information is available in the operating manuals: Table A-3 References 3 -
Operating Instructions (Page 135).
●If necessary, adjust the signal frequency of the module combination.
Additional information is available in the operating manuals: Table A-3 References 3 -
Operating Instructions (Page 135).
4.3
Gas connections
4.3.1
Sample gas restrictors/clamping screws
Note
Equipping analyzer modules with sample gas restrictors and/or clamping screws
In the delivery state, the analyzer modules are equipped as follows at
the factory:
•
OXYMAT 7: With a sample gas restrictor at the sample gas inlet, otherwise clamping
screws everywhere.
•
ULTRAMAT 7: Does not require clamping screws/sample gas restrictors. Subsequent
upgrading or retrofitting is not possible and not required.
•
CALOMAT 7: With clamping screws only.

Combination operation
4.3 Gas connections
20
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Overview
①
Version with pipes:
Sample gas bushing with 6 mm connection fittings.
②
Sample gas restrictors
③
Version with hoses:
Sample gas bushing with 6 mm connection fittings
Figure 4-2 Sample gas connections with sample gas restrictors
For rack-mounted and wall-mounted devices, the sample gas connections of the analyzer
modules are 6 mm nozzles. Depending on the analyzer module, either clamping screws or
sample gas restrictors are mounted onto these nozzles that are then connected tightly to the
incoming gas lines and outgoing gas lines. Sample gas restrictors as well as clamping
screws ensure a gas-tight connection between the gas connection and the gas line.
Depending on the application, however, you may also need to remove the sample gas
restrictor or move it to another module. The sample gas restrictor is screwed (grub screw)
onto the bushing of the gas path.
If no sample gas restrictors are screwed in, the clamping screws take on the role of length
compensation for the gas connections.