Fuji Electric ZKJ Series User manual
Instruction Manual
NDIR TYPE
INFRARED GAS
ANALYZER
TYPE:
ZKJ-6
INZ-TN6ZKJa-E
II
Fuji Electric
Co.,
Ltd.
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Thank you very much for purchasing Fuji’s Infrared Gas Analyzer.
Be sure to read this instruction manual carefully before performing installation, wiring, operation,
and maintenance of the analyzer. Improper handling may result in accidents or injury.
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product improvement.
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from the manufacturer. Fuji will not bear any responsibility for a trouble caused by such a
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If you return the product to us for repair, provide us with a document that indicates the
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substances restricted by RoHS directive or laws and regulations of the exporting country.
We are not liable in the cases that the re-export from Japan to you is not permitted due to
imperfection of the above documents.
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Name Quantity Remarks
Analyzer 1 unit
Input/Output terminal module 1 set
I/O module connection cable 1 pc
Power cord 1 pc
Fuse 2 pcs 9$&$
&HOOZLQGRZPRXQWLQJWRRO 1 pc With mounting block cell
Slide rail 2 pcs :KHQVSHFL¿HG
Relay board for auto calibration 1 pc :KHQVSHFL¿HG
Relay board connection cable 1 pc :KHQVSHFL¿HG
Relay board housing 8 pcs :KHQVSHFL¿HG
Relay board contact 16 pcs :KHQVSHFL¿HG
Instruction manual 1 copy
Issued in February, 2018
1st edition June, 2018
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written permission of Fuji.
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notice for further improvement.
Request )XML(OHFWULF&R/WG
PREFACE
ii
To operate the analyzer properly, be sure to read “Caution on Safety” carefully.
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Improper handling may cause dangerous situations that may
result in death or serious injury.
Improper handling may cause dangerous situations that may re-
sult in medium-level troubles, minor injury, or property damage.
Items which must not be done are noted.
Items which indicates the possibility of receiving electric shock
if it is handled incorrectly.
CAUTION ON SAFETY
Caution on installation and transport of gas analyzer
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it in an atmosphere of explosive gases. Otherwise serious ac-
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manual, in a place that endures the weight of the analyzer.
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resulting in injury.
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Transportation in unstable state may result in injury.
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it, while exercising due care. Otherwise unexpected harm to
your body or injury may result.
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malfunction may result.
DANGER
CAUTION
PROHIBITION
DANGER
CAUTION
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Caution on wiring
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wise electric shock may result.
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tric shock or failure may result.
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Caution on piping
Be sure to observe the following precautions while installing
piping. Improper piping may result in gas leakage.
If the leaking gas contains a toxic component, serious acci-
dents may result. If it contains combustible gases, explosion
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ing within the sampling device or indoors.
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pressure to prevent buildup of undesirable pressure to the
analyzer. Otherwise piping within the analyzer may be discon-
nected, resulting in gas leakage.
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CAUTION
DANGER
Caution on use
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before handling reference gases such as calibration gas to use
them properly.
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normal operation or suspension procedures. Be sure to follow
the instructions in each instruction manual. Otherwise, intend-
ed performance may not be achieved, or accidents or injury
may result.
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left open. Otherwise, dust, foreign matter, etc. may stick on
internal walls, thereby causing faults.
DANGER
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Caution on use
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erwise, electric shock or injury may result.
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may result.
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Caution on maintenance and check
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open for maintenance and check, be sure to purge completely
not only within the analyzer but also measuring gas lines with
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result due to gas leakage.
Be sure to observe the following to perform work safely,
avoiding electric shock or injury.
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one of the same capacity and type. Otherwise, electric shock or
accidents may result.
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manufacturer. Otherwise, intended performance may not be
achieved, or accidents or failures may result.
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bustibles according to the local waste disposal regulations.
PROHIBITION
DANGER
CAUTION
Others
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instruction manual, be sure to contact your dealer or Fuji’s tech-
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carelessly may result in electric shock or injury.
CAUTION
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WARRANTY AND MAINTENANCE
1. Scope of application
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Be sure to use this instrument under the conditions or environment mentioned in this instruction
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Radiation-related facilities, systems related to charging or settlement, or other usages which
may have large impact on lives, bodies, property, or other rights or interests.
2. Operating conditions and environment
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3. Precautions and prohibitions
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4. Warranty
4-1. Period of warranty
(1) Warranty period for this product including accessories is one year after delivery.
(2) Warranty period for the parts repaired by our service providers is six months after the completion
of repair.
4-2. Scope of warranty
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shall provide the product after repairing or replacing the faulty part for free of charge at the
place of purchase or delivery. The warranty does not apply to failure or malfunctions resulting
IURP
1) inappropriate conditions, environment, handling or usage that is not instructed in a catalog,
instruction book or user's manual, or overuse of the product,
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4) inappropriate maintenance or replacement of expendable parts listed in the instruction book
or the catalog,
5) damages incurred during transportation or fall after purchase,
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abnormal voltage.
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special situations regardless of whether it was foreseeable or not, and secondary damage,
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compensation towards other operations.
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5. Failure diagnosis
Regardless of the time period of the occurrence, if any failure occurs, the purchaser shall perform
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providers shall provide the diagnosis service for a fee. In such a case, the purchaser shall be charged
for the service.
6. Service life
This product, excluding limited-life parts and consumable parts, is designed for a service life of
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The service life may be shortened depending on operating conditions and environment. To ensure
the service life, it is important to perform planned maintenance of the product including limited-life
parts and consumable parts.
7. Maintenance plan
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Preventive maintenance can further classified into "daily inspection" and "periodic inspection".
Preventive maintenance is achieved through systematic implementation of "daily inspection" and
"periodic inspection".
Maintenance Preventive
maintenance
Daily inspection
Corrective
maintenance
Troubleshooting
Periodic inspection
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Be sure to perform daily inspection prior to operation to check for any problem in daily
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(2) Periodic inspection
Periodic inspection is to replace limited-life parts before their service lives are over, thus
preventing failure. Recommended inspection interval is 6 months to 12 months. If you are
using the instrument under harsh environment, we recommend you to shorten the inspection
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8. Limited-life parts and consumable parts
This product contains the following limited-life parts and consumable parts which may affect the
service life of the product itself.
(1) Aluminum electrolytic capacitor
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and have the capacitor replaced or overhauled at appropriate time, at least once in 10 years.
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environment, and replace it at appropriate time.
9. Spare parts and accessories
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and accessories.
10. Period for repair and provision of spare parts after product dis-
continuation (maintenance period)
The discontinued models (products) can be repaired for 5 years from the date of discontinuation.
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However, some electric parts may not be obtained due to their short life cycle. In this case, repair or
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CONTENTS
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29(59,(:.......................................................................................................1-1
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2.1 Name and description of main unit .....................................................................2-1
2.2 Input/Output terminal module............................................................................. 2-2
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4.1 Preparation for operation ....................................................................................4-1
4.2 Warm-up operation and regular operation .......................................................... 4-1
'(6&5,37,212)',63/$<$1'23(5$7,213$1(/6..........................5-1
5.1 Name and description of operation panel ...........................................................5-1
5.2 Overview of display and operation panels.......................................................... 5-2
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5.4 Basic operation.................................................................................................... 5-6
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6.1 Switch of range ................................................................................................... 6-1
6.1.1 Setting of range switch mode......................................................................6-1
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6.2.1 Setting of calibration concentration............................................................
6.2.2 Setting of manual zero calibration .............................................................6-5
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6.2.4 Setting of auto calibration component/range ..............................................
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6HWWLQJRIDODUPYDOXHV ............................................................................. 6-11
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6.4 Setting of auto calibration .................................................................................6-14
6.4.1 Auto calibration ........................................................................................6-14
6.4.2 Forced run/stop of auto calibration...........................................................
6.5 Setting of auto zero calibration ........................................................................6-20
6.5.1 Auto zero calibration ................................................................................ 6-20
6.5.2 Forced run/stop of auto zero calibration ...................................................6-22
6.6 Peak count alarm setting ...................................................................................6-25
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1 - 1
1. OVERVIEW
7KLVLQIUDUHGJDVDQDO\]HUW\SH=.-PHDVXUHVWKHFRQFHQWUDWLRQRI12622&22&2DQG&+4 con-
tained in sampling gas on the principle that different atomic molecules have an absorption spectrum in the
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Since this instrument incorporates a compact paramagnetic O2sensor, it allows measuring up to 5 compo-
nents simultaneously by using the built-in O2sensor (up to 4 components if O2sensor is excluded).
)XUWKHUPRUHXVHRIDPLFURSURFHVVRURUODUJHVL]HGOLTXLGFU\VWDOGLVSOD\UHDOL]HVLPSURYHPHQWRIRSHU-
ability, accuracy and multi-functions.
This instrument is optimum for measuring combustible gas exhausted from boilers or incinerators, and it
is effective for steel gas analysis (blast furnace, steel converter, thermal treatment furnace, sintering (Pellet
HTXLSPHQWFRNHIXUQDFHVWRUDJHDQGPDWXULW\RIYHJHWDEOHDQGIUXLWELRFKHPLVWU\PLFUREH>IHUPHQ-
WDWLRQ@DLUSROOXWLRQ>LQFLQHUDWRUH[KDXVWJDVGHVXOIXUL]DWLRQGHQLWUDWLRQ@DXWRPRWLYHHPLVVLRQH[FOXGLQJ
WHVWHUSURWHFWLRQDJDLQVWGLVDVWHUV>GHWHFWLRQRIH[SORVLYHJDVDQGWR[LFJDVFRPEXVWLRQJDVDQDO\VLVRI
QHZEXLOGLQJPDWHULDO@JURZWKRISODQWVFKHPLFDODQDO\VLV>SHWUROHXPUH¿QHU\SODQWSHWUROHXPFKHP-
LVWU\SODQWJDVJHQHUDWLRQSODQW@HQYLURQPHQW>ODQGLQJFRQFHQWUDWLRQWXQQHOFRQFHQWUDWLRQSDUNLQJORW
building management] and various physical and chemical experiments.
2 - 1
2.1 Name and description of analyzer main unit
2. NAME AND DESCRIPTION OF EACH UNIT
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(1) Handle 8VHGIRUZLWKGUDZLQJWKHPDLQ
unit from the panel.
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cover
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in the cover.
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input/output
terminal module
For connecting to the external
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panel
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for setting various functions
3RZHULQOHW For connecting the power cord
(4) Sampling gas
inlet
For connecting to the measuring
gas tube
(10) Protective cover Protective cover for the light
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removed during operation.
(5) Sampling gas
outlet
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pair of sampling gas inlet/outlet
is provided for each measuring
unit.)
(11) Fuse holder 97$/
(6) Sector motor For driving the rotation of sector (12) Purge gas inlet
For purging the inside of the total
gas analyzer
(1) Handle
(2) Power switch
(5) Sampling gas outlet
(4) Sampling gas inlet
(12) Purge gas inlet
(4) Sampling gas inlet
(3) Display/operation panel
For measuring
unit 1
For measuring
unit 2
(6) Sector motor
(7) Light source cover
(9) Power supply receptacle
(11) Fuse holder
(5) Sampling gas outlet
(8) Connector to input/output terminal module
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(10) Protective cover
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2 - 2
2.2 Input/Output terminal module
This analyzer provides input/output of various signals from the supplied input/outpt terminal
module by connecting the analyzer main unit to this module.
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terminal module.
ø 4.5, 6 places
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between analyzer
main unit and
input/output
terminal module
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main unit to the input/output
terminal module.
(2) Input/output
terminal block
(TN 1 to TN 5)
Input/output terminal for
signals of analog output, range
LGHQWL¿FDWLRQFRQWDFWDODUP
contact output, etc.
&RQQHFWRUWR
relay board
&1!
&DEOHFRQQHFWRUIRUFRQQHFWLQJ
the analyzer to the relay board
for automatic calibration.
&RQQHFWRUWR
analyzer main
XQLW&1!
8VHGIRUFRQQHFWLQJWKHDQDO\]HU
main unit and the input/output
terminal module (4).
&RPPXQLFDWLRQ
connector
&1!
&RQQHFWFRPPXQLFDWLRQFDEOH
*Please refer to another manual
,1=71$(DERXW
communication function.
(5) Connector to relay board <CN3>
(3) Connector to analyzer main unit <CN1>
<Input/Output terminal module>
TN1 TN2 TN3 TN4 TN5
(1) Mounting hole (ø4.5, 6 places)
(2) Input/Output terminal block (TN1 to TN5)
(6) Communication connector (CN2)
(4) Connection cable between analyzer main unit and input/output terminal module (1m)
0
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3 - 1
3. INSTALLATION
3.1 Installation conditions
To install the analyzer for optimum performance, select a location that meets the following
conditions;
(1) This instrument is system built in type. This instrument should be used while embedded in a
panel, locker, or enclosure of steel sheet.
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FOHDUDQFHLVUHTXLUHGIRUHDFKDQDO\]HUVZKHQ\RXLQVWDOOVHYHUDOXQLWVRQDPXOWLVWDJHUDFN
8VHWKLVLQVWUXPHQWLQGRRUV
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(4) A place which is clean around the analyzer.
(5) Power supply
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(6) Operation conditions
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3ROOXWLRQ'HJUHH
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When analyzer is installed by itself, please make sure to keep the
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analyzer is installed as an unit, please refer to the instruction manual
of the analyzer unit.
$EUHDNHUWKDWPHHWV,(&DQG,(&VKRXOGEH
included in the installation.
$EUHDNHUVKRXOGEHLQVWDOOHGQHDUWKHDQDO\]HUZKHUHDQRSHUDWRU
can access it.
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7KHEUHDNHUUDWLQJVKRXOGPHHWWKHDQDO\]HUUDWLQJPD[$DQGD
breaker should conform to all necessary approvals.
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H[SORVLRQ¿UHRURWKHUVHULRXVDFFLGHQWV
DANGER
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LQVWDOODWLRQPD\FDXVHDFFLGHQWDOWLSRYHUHOHFWULFVKRFN¿UHLQMXU\HWF
7KHJDVDQDO\]HULVKHDY\,WVKRXOGEHLQVWDOOHGZLWKXWPRVWFDUH2WKHUZLVHLWPD\WLSRYHU
or drop, for example, causing accident or injury.
)RUOLIWLQJWKHJDVDQDO\]HUEHVXUHWRZHDUSURWHFWLYHJORYHV%DUHKDQGVPD\LQYLWHDQ
injury.
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LQVWUXFWLRQPDQXDO2WKHUZLVHLWPD\FDXVHHOHFWULFVKRFNV¿UHRUPDOIXQFWLRQRIWKHXQLW
'XULQJLQVWDOODWLRQZRUNFDUHVKRXOGEHWDNHQWRNHHSWKHXQLWIUHHIURPHQWU\RIFDEOHFKLSV
RURWKHUIRUHLJQREMHFWV2WKHUZLVHLWPD\FDXVH¿UHWURXEOHRUPDOIXQFWLRQRIWKHXQLW
CAUTION
analyzer
(Remove
the cover)
analyzer
(installed)
unit : mm
400
500
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3 - 2
3.2 Installation
3.2.1 Installation of analyzer main frame
Installation methods for the analyzer main unit are divided into 2 types;
XQLWPP
Type External dimensions Mounting dimensions Mounting method
19 inch rack
mounting guide
rail method
19 inch rack
mounting slide
rail method
429
177
483
Slide rail
(Supports mass)
Slide rail
(Supports mass)
450 or more
465
M6
or 100 (JIS)
101.6 (EIA)
1RWH &KHFNDQGPDLQWHQDQFHRIWKHDQDO\]HUPDLQXQLWPD\EHFDUULHGRXWZLWKWKHWRSFRYHUGHWDFKHG
The guide rail method may be used if a space accessible for maintenance is provided at the top of
the main unit. If maintenance space is not provided specially, it is recommended to use the slide
rail method.
5HFRPPHQGHGVOLGHUDLO3URGXFW1RPDQXIDFWXUHGE\6XJDWVXQH.RJ\R&R/WG
1RWH )RULQFKUDFNPRXQWLQJWKHZHLJKWRIWKHDQDO\]HULVVXSSRUWHGZLWKWKHERWWRPRIWKHFDVHZLWK
the side of the case in case of slide rail method). For mounting dimensions of the slide rail, see
³6HFWLRQ2XWOLQHGLDJUDP´
'RQ¶WLQVWDOOWKHDQDO\]HUDWDSODFHZKLFKLVH[SRVHGWRGLUHFWVXQOLJKW
7KHDQDO\]HUVKRXOGEHLQVWDOOHGDWDSODFHZKHUHDPELHQWWHPSHUDWXUHLVZLWKLQWRÛ&DQG
WHPSHUDWXUHÀXFWXDWLRQGXULQJXVHLVPLQLPXP
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3 - 3
3.2.2 Mounting input/output terminal module
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(Note) To avoid the effect of noise generated from external units, mount the I/O terminal
module mounting plate on the panel for continuity at the mounting surface and con-
nect the panel to the same ground as the analyzer main unit.
Note) How to ground analyzer main unit and I/O terminal module
To avoid the effect of noises, etc. from external units, it is
recommended to ground them by the procedure described below.
Mount the analyzer and I/O terminal module on the
same panel.
Bring I/O terminal module sheet metal and
panel into continuity at ///// portion.
Bring analyzer main unit and panel into continuity
at ///// portion or rail mounting portion.
Ground the panel casing.
*Don’t separate the analyzer and I/O terminal module, and be sure to
ground them together.
External dimensions Mounting dimensions Mounting method
Terminal
Screwed to panel
Panel plate
To analyzer rear panel
Connection cable
4.5 mounting hole (× 6 places) M4 screw (× 6 places)
Rectangular hole
302
142142
154
150 150
316
164
0
[JI~
110
3 - 4
Sampling gas outlet
Sampling gas inlet
Sampling gas outlet
Sampling gas inlet
Purge gas inlet
For measuring
unit 1
For measuring
unit 2
7KHDQDO\]HU=.-KDVWZRLQOHWVIRUVDPSOHJDVWZRRXWOHWVIRUVDPSOHJDVDQGSXUJHJDV
inlet.
Improper connection may cause accumulation of combustible, toxic, and/or explosive gas in
the analyzer. Be sure to connect each pipe correctly.
CAUTION
Observe the following when connecting the gas tube.
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8VHDFRUURVLRQUHVLVWDQWWXEHRI7HÀRQVWDLQOHVVRUSRO\HWK\OHQHWRFRQQHFWWKHDQDO\]HUWRD
VDPSOLQJV\VWHP(YHQLIWKHUHLVQRGDQJHURIFRUURVLRQUHIUDLQIURPXVLQJDWXEHRIUXEEHURU
soft vinyl. The analyzer provides inaccurate indication due to gas absorption by piping materi-
als.
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VLEOHIRUDTXLFNUHVSRQVH$ERXWPPLQQHUGLDPHWHULVUHFRPPHQGHG
(QWU\RIGXVWLQWRWKHDQDO\]HUPD\UHVXOWLQPDOIXQFWLRQ8VHDFOHDQSLSLQJRUFRXSOLQJ
3.3 Piping
6DPSOLQJJDVLQOHW $WWDFKWKHJDVWXEHWRLQWURGXFHJDVWREHPHDVXUHGVXFKDVRQHWKDWKDV
FRPSOHWHGGHKXPLGL¿FDWLRQSURFHVVDQGVWDQGDUGJDVHVIRU]HURDQGVSDQ
calibration to this inlet.
*DVÀRZWREHLQWURGXFHGVKRXOGEHFRQVWDQWZLWKLQWKHUDQJHRI/PLQ
/PLQ
6DPSOLQJJDVRXWOHW ([KDXVWPHDVXUHGJDVWKURXJKWKHRXWOHW$WWDFKWKHWXEHWRH[KDXVWPHD-
sured gas outdoors or to the atmosphere.
3XUJHJDVLQOHW It is used for purging the inside of the total gas analyzer . When the analyzer
PXVWEHSXUJHGUHIHUWR6HFWLRQ3XUJLQJRILQVWUXPHQWLQVLGH
8VHGU\JDV12RULQVWUXPHQWDWLRQDLUIRUSXUJHJDVÀRZUDWHRI/PLQRU
more).
3 - 5
Internal piping diagram
Correspondence of measured components and measuring units
0HDVXUHGFRPSRQHQWV 0HDVXUHULQJXQLW 0HDVXULQJXQLW
1-component analyzer for NO, SO2&22&2
&+4or N2O
(DFKPHDVXUHGFRPSRQHQW None
2-component analyzer for NO/SO2&22&2
N22&22
NO/SO2&22&2122&22None
FRPSRQHQDQDO\]HUIRU12&2 NO &2
FRPSRQHQWDQDO\]HUIRU12622&212O/
&22&2
NO/SO2, N22&22&2
FRPSRQHQWDQDO\]HUIRU12122&22, SO2/
N22&22&+4/N22&22
NO, SO2&+4N22&22
FRPSRQHQWDQDO\]HUIRU12622&2 NO/SO2&2
4-component analyzer for NO/SO2&22&2
NO/SO2/N22&22
NO/SO2&22&2122&22
Note) When there are two measuring units, the built-in O2sensor must be connected to the measuring
unit 2.
Measuring unit 2
Measuring unit 1
Sampling cell
Note)
2 cells may be used
by combination of
range.
OUTLET INLET OUTLET INLET PURGE
Sampling gas inlet
Sampling gas outlet
For measuring
unit 1
Sampling gas inlet
Sampling gas outlet
For measuring
unit 2
Built-in
O2sensor
Built-in
O2sensor
) (
}
}
3 - 6
NO2/NO
converter
Note) The NO2/NO converter is used
when NO measurement is used for NOx measurement.
NO2/NO
converter
Note) The NO2/NO converter is used
when NO measurement is used for NOx measurement.
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ZKJ
2QHSDLURIJDVLQOHWRXWOHW
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Exhaust
5HOHDVHWRDWPRVSKHUH
6DPSOLQJJDV
6DPSOLQJJDV
LQOHW
6DPSOLQJJDV
RXWOHW
6DPSOLQJJDV
LQOHW
6DPSOLQJJDV
RXWOHW
ZKJ
Exhaust
5HOHDVHWRDWPRVSKHUH
6DPSOLQJJDV
LQOHW
6DPSOLQJJDV
RXWOHW
6DPSOLQJJDVLQOHW
6DPSOLQJJDVRXWOHW
Exhaust
5HOHDVHWRDWPRVSKHUH
6DPSOLQJJDV
)ORZPHWHU
0.5L/min
6DPSOLQJJDV
7ZRSDLURIJDVLQOHWRXWOHW
)LOWHU
For
PHDVXULQJ
XQLW
For
PHDVXULQJ
unit 2
For
PHDVXULQJ
XQLW
For
PHDVXULQJ
unit 2
6DPSOLQJJDV
LQOHW
6DPSOLQJJDV
RXWOHW
)LOWHU
)ORZPHWHU
0.5L/min
)LOWHU
)ORZPHWHU
0.5L/min
)LOWHU
)ORZPHWHU
0.5L/min
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Example of connecting each measuring unit
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3 - 7
3.4 Sampling
3.4.1 Conditions of sampling gas
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VWDJH¿OWHUXVHD¿OWHUWKDWDOORZVUHPRYLQJGXVWSDUWLFOHVRIP
'HZSRLQWRIVDPSOLQJJDVPXVWEHORZHUWKDQWKHDPELHQWWHPSHUDWXUHWRDYRLGRFFXUUHQFH
of drain in the gas analyzer. If vapor is contained in the sampling gas, dew point should be
ORZHUHGWRÛ&E\XVLQJDGHKXPLGL¿HU
,I62PLVWLVFRQWDLQHGLQWKHVDPSOLQJJDVXVHDPLVW¿OWHURUFRROHUWRUHPRYH62mist.
2WKHUPLVWVVKRXOGEHUHPRYHGE\XVLQJDPLVW¿OWHURUFRROHU
&RUURVLYHJDVHVVXFKDV&O2, F2DQG+&OLIWKH\DUHFRQWDLQHGLQWKHVDPSOLQJJDVLQ consider-
able amounts, will shorten the life of instruments.
7HPSHUDWXUHRIVDPSOLQJJDVVKRXOGEHZLWKLQWRÛ&3URYLGHDPHDQVWKDWSUHYHQWVHQWU\
of hot gas directly into the instrument.
6DPSOLQJJDVÀRZ
)ORZRIVDPSOLQJJDVVKRXOGEH/PLQ/PLQ
$YRLGÀRZÀXFWXDWLRQGXULQJPHDVXUHPHQW
2EVHUYHWKHÀRZUHDGLQJE\DÀRZPHWHUSURYLGHGDVVKRZQLQWKHH[DPSOHRIWKHVDPSOLQJV\V-
WHPFRQ¿JXUDWLRQ6HFWLRQ
3.4.3 Preparation of standard gas
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condition (once a week). Prepare a standard gas cylinder for zero calibration and span calibration.
Analyzer without O2
measurement
Analyzer with built-in O2
sensor
Analyzer with external
zirconia O2sensor
=HURJDV N2 gas or dry air N2gas 'U\DLUDWPRVSKHULFDLURU
gas with a concentration of
RUPRUHRIIXOOVFDOH
Span gas other than
for O2measurement
Gas with concentration of
RUPRUHRIIXOOVFDOH
Gas with concentration of
RUPRUHRIIXOOVFDOH
Gas with concentration of
RUPRUHRIIXOOVFDOH
Span gas for O2
measurement
Gas with concentration of
RUPRUHRIIXOOVFDOH
RUDWPRVSKHULFDLU
WR22
,QWKHFDVHRI&22DQDO\]HU]HURJDVVKDOOQRWFRQWDLQ&22JDVLIWKHFRQFHQWUDWLRQRI&22in at-
mospheric air is considerable.
3.4.4 Purging of instrument inside
The inside of instrument need not be purged generally except for the following cases.
(1) A combustible gas component is contained in sampling gas.
&RUURVLYHJDVLVFRQWDLQHGLQWKHDWPRVSKHULFDLUDWWKHLQVWDOODWLRQVLWH
7KHVDPHJDVDVWKHVDPSOHJDVFRPSRQHQWLVFRQWDLQHGLQWKHDWPRVSKHULFDLUDWWKHLQVWDOOD-
tion site.
In such cases as above, the inside of analyzer should be purged with the air for instrumentation
or N2.
3XUJLQJÀRZUDWHVKRXOGEHDERXW/PLQ
If dust or mist is contained in purging gas, it should be eliminated completely in advance.
This manual suits for next models
1
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