Riken Keiki 590-04W Instruction Manual

PT1E-0912
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OPERATINGINSTRUCTIONMANUAL
FOR
MULTI-UNITCASE
590-04W/590-04R
590-06W/590-06R
590-09W/590-09R
590-12W/590-12R
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Request for the Customers
•Read and understand this operating manual before using the detector.
•Use the detector in accordance with the operating manual.
•Regardless of warranty period, we shall not make any compensation for accidents and damage
caused by using this product.
The compensation shall be made only under the warranty policy of products or parts
replacement.
•Because this is a safety unit, a regular maintenance for every six months and daily maintenance
must be performed.
•If any abnormality was found in the detector, notify them to Riken Keiki or local representative
immediately.
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1
INDEX
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１．PRODUCTOUTLINE
 １−１．Inthebeginning・・・・・・・・・・・・・・・・・・・・・・・ 2
 １−２．Applicationforuse・・・・・・・・・・・・・・・・・・・・・・・ 2
 １−３．Identificationofeachcautionalmarks・・・・・・・・・・・・・ 2

２．IMPORTANTINSTRUCTIONFORTHESAFETY
 ２−１．Dangeritems・・・・・・・・・・・・・・・・・・・・・・・・・ 3
 ２−２．Warningitems・・・・・・・・・・・・・・・・・・・・・・・・ 3
 ２−３．Cautionitems・・・・・・・・・・・・・・・・・・・・・・・・ 4

３．PRODUCTFUNCTION
 ３−１．Externaldrawing
  ３−１−１．Wallmountingtype・・・・・・・・・・・・・・・・・・・ 5
  ３−１−２．Panelmountingtype・・・・・・・・・・・・・・・・・・ 6
 ３−２．Nameofeachpartandfunction・・・・・・・・・・・・・・・・・・7
 ３−３．Arrangementofconnectionterminals・・・・・・・・・・・・・・・ 8
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４．HOWTOUSE
 ４−１．Beforeoperation・・・・・・・・・・・・・・・・・・・・・・・・ 9
 ４−２．Mounting/dismountingoftheunit・・・・・・・・・・・・・・・・ 9
 ４−３．Installationplace・・・・・・・・・・・・・・・・・・・・・・・ 10
 ４−４．Cautioninthesystemengineering・・・・・・・・・・・・・・・ 11
 ４−５．Grounding・・・・・・・・・・・・・・・・・・・・・・・・・・・ 14
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５．CONNECTIONSOFEACHUNIT
 ５−１．Connectionofpowercable・・・・・・・・・・・・・・・・・・・ 15
 ５−２．Connectionsofdetectorheads・・・・・・・・・・・・・・・・・ 15
 ５−３．Connectionsofrelayoutputs・・・・・・・・・・・・・・・・・・ 15
 ５−４．Connectionsof4-20mAoutput・・・・・・・・・・・・・・・・・・ 15
 ５−５．Connectiondiagramforeachdetectorhead・・・・・・・・・・・・ 16
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６．PRODUCTSPECIFICATIONS・・・・・・・・・・・・・・・・・・・・・・・・ 19

2
1.PRODUCTOUTLINE
１−１．Inthebeginning
Firstofall,wewishtoexpressourheartfulthanksforyourpurchaseofourmulti-unitcase
「590-*□□W(R)」forRM-590series.
*:Numberofmonitoringcapacityisputinto□□.”W”and“R”meanwallmountingtype
andpanel(rack)mountingtyperespectively.
ThismanualdescribesspecificationsandinstructionsforuseforRM-590seriesmulti-unit
case.
Yourkindreadingofthismanualisrequestednotonlyforthefirstuserbutforalready
experiencedstaff.
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１−２．Applicationforuse
Thisisanexclusivemulti-unitcasetohouseindicator/alarmunitsandbuzzerunitforRM-590
series.
Itcanbeusedonlybyconnectingpowersourceanddetectorheadaspowerunitisbuiltinit.
Anyindicator/alarmunitforRM-590seriescanbearrangedinthismulti-unitcase.
Basiccomposition
・Powerunit（PSU-590）･･････････････････････････････････ 1pce
・Couplingunitforbuzzerunit（RM-590-MCASE）･･･････････ １pce
・Couplingunitforindicator/alarmunit（RM-590-MCASE）
･･････････ Dependsonmountingpoints（Max.12pcs.）
Couplingunitforindicator/alarmunitisfor4,6,9and12pointseachasstandardversion.
Itisalsoavailableforotherpoints(2-12points).Insuchcase,optionalmountingangle
isrequired.
１−３．Identificationofeachcautionalmarks
Indicatesanimminentlyhazardoussituationwhich,ifnotavoided,willresultindeath
orseriousinjury.Thissignalwordistobelimitedtothemostextremesituation.
Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,couldresultindeath
orseriousinjury.
Indicatesapotentiallyhazardoussituationwhich,itnotavoided,mayresultinminoror
moderateinjury.Itmayalsobeusedtoalertagainstunsafepractices.
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Thismeans“ADVICE”atoperation.
＊NOTE
DANGER
WARNING
CAUTION

3
2.IMPORTANTINSTRUCTIONFORTHESAFETY
２−１．Dangeritems
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２−２．Warningitems
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Thisisnotaexplosionproofunit.Donotuseitatplaceswherecombustible/explosivegases
orvapoursmayexist.Itisverydangertooperateundersuchenvironment.
DANGER
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・Buzzerunit,indicator/alarmunit
Donotconnectotherbuzzerunitandindicator/alarmunitthanthatofforRM-590series.
Ifconnected,thismulti-unitcaseorotherconnectedunitmaybebroken.
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・Powersource
Beforesupplyingthepower,confirmthatthepowersourceisadesignatedvoltage.
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・Maximummonitoringcapacity
Themaximummonitoringcapacityis12pointsduetothecapacityofpowerunit.
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・Necessityofprotectivegrounding
Donotcutinsideoroutsidewireforearth,nordisconnectthewirefromearthterminal.
Inanycase,theunitbecomesdangerousconditions.
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・Defectofprotectivefunction
Donotoperatetheunitifprotectivefunctionssuchasprotectivegroundingorfuseare
seemstobedefective.
Also,beforeoperatingtheunitconfirmthatthereisnodefectforprotectivefunctions.
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・Fuse
Usethedesignatedrating(current,voltage,type)fusetopreventfire.
Replacementoffuseshallbedoneafterputofftheinitialpowersourceandputoffthepower
switchofthisunit.
Donotuseotherfusethandesignatedone,normakeshortcircuitforfuseholder.
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・Externalconnections
Aftermakingprotectivegroundingfirmly,connecttoexternalcontrolcircuitordetection
objective.
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・Counteractionatgasalarm
Whendetecthighconcentrationgasthanpresetalarmlevel,itisverydangerous.
Itisrequiredtotakeanappropriatemeasuresbycustomer’sdecision.
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・Mounting/dismounting
Lookingmechanismmaybebrokeniftheunitismountedintothecasewithdisengagementlever
upposition.Makecorrectprocedureformounting/dismounting.
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WARNING

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２−３．Cautionalitems 
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・Donotusewalky-talkynearthisunit.
Whenthisunitreceivestheelectricwavesbywalky-talkyetcnearfromthecable,thiswill
effectthereading.
Whenusethewalky-talky,operateitattheplacewherethereisnoinfluenceofelectric
waveejection.
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・Whenmakepoweronagain,makeitafteranintervalofover5seconds.
Whenmakepoweronwithin5seconds,theremaybenonormaloperation.
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・Whenoperateitnottofollowthismanual,repairitbyotherratingpartsormodifyitonhis
own,thesafetyandqualityofproductscannotbesecured.Then,whenanaccidenttakeplace
byit,wecannotassureourresponsibilityonthem.
Takeenoughconsiderationforinstrumentationtokeepsafetyevenifdisconnectionofpower
andsignallines,defectofoperationortroublewouldbehappenduetounexpectedreason.
Thisisanelectricalappliedinstrument.
Becareitmaybeeffectedbypowernoise,electrostaticandelectromagneticnoise.
Whenuseundersuchconditions,makeprotectivetreatmentforuse.
CAUTION

8
３−３． Arrangementofconnectionterminal
Powerunit
ＣＮ２ＴＡＮ２
Input/outputfor(Terminalplateforpumppower)
network:Option
ＮＥＴ
ＴＡＮ１
（Powerinput）
ＬＮＦＧ
ＴＡＮ３
(24VDCoutput)
Terminalplateofbuzzerunit Terminalplaceofindicator/alarmunit
ＣＯＭ
(Commonfor3&4)
１
２
３
４
５
６
７
８
12
10
９
13
11
１
２
３
４
５
６
７
８
12
10
９
13
11
２
１
＋
24VDC
−
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Pump１：No.1-2
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Pump２：No.3-4
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Pump３：No.5-6
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Pump４：No.7-8
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Pump５：No.9-10
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Pump６：No.11-12
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Pump７：No.13-14
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Pump８：No.15-16
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Pump９：No.17-18
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Pump10：No.19-20
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Pump11：No.21-22
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Pump12：No.23-24
No.25:Unused
Input/output
fornetwork
(option)
BUZZERSTOP
Input
RESETInput
Relayoutputfor
total1stalarm
Relayoutputfor
total2ndalarm
Relayoutputfor
totaltroublealarm Relaycontact
fortroublealarm
Detectorhead
＋
4〜20mAoutput
−
Unused
FG FG
Relaycontact
for1stalarm
Relaycontact
for2ndalarm
①②
１２３
23
１
３
５
７
９
11
13
15
17
19
21
２
10
６
４
12
８
14
16
18
20
22
24 25

9
４．HOWTOUSE 
４−１．Beforeoperation
Besuretokeepcautionalitemsofusenotonlyforfirstuserbutforalreadyexperiencedstaff.
Ifnotkeepthesecautionalitems,theunitmaybedefectiveandcorrectgasdetectionmaynot
beperformed.
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４−２．Mounting/dismountingprocedures
Whenmounting/dismountingindicator/alarmunitandbuzzerunitforRM-590series,makefollowing
procedures.
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（１）Mountingmethod
  ・Openthefrontcoverofindicator/alarmunitandbuzzerunit.
  ・ConfirmthatthepowerswitchisatOFF
  ・Withthedisengagementleveratdownposition,mountintothecase.
（Confirmthattheedgeconnectorisputinfirmly）
  ・Confirmthatthedisengagementleveristurnedupwardwhenindicator/alarmunitandbuzzer
unitaremountedintothecasefirmly.
  ・Afterconfirmationofleverposition,putONthepowerswitch,andthen,closethecover.

（２）Removaloftheunit
  ・Openthefrontcoverofindicator/alarmunitandbuzzerunit.
  ・ConfirmthatthepowerswitchisatOFF.
  ・Pushdisengagementleverdowntoreleasethelock.
  ・Pullouttheunitfromthecase.
  ・Turntheleverupwardandclosethecover.

Mounting/dismountingofindicator/alarmunitandbuzzerunit
shallbedoneaccordingtotheaboveprocedures.Ifnot,
stoppingmetaloftheunitmaybetransformedandthecovercan
notbeclosed.
CAUTION

10
４−３．Installationplace
Keepawaythesystemfromdirectsundroughtorwherethetemperatureofthesystem
isdrasticallychanged.
Thesystemconsistsoffineelectronicsparts.
Installthemwheretobestablenottocrushorfalldown.
Keepthesystemfromtheequipmentwhichmaygiveahighfrequencyinthesurroundingsand
installit.
・Donotputthesystemjointlyeach. ・Donotwirethecableinparallelnortakeaccess.
Donotinstallandmakegasdetectionattheplacewherethesamplegasisdeposited.
Thisunitisrequiredtomakemaintenanceregularly.
Then,donotinstallattheplacewherethereisdangeratmaintenancetime.
Whenrequiredtostopthesystematmaintenancetime,unabletomaintainifnotremoveapartofsystem
orunabletodetachthecaseduetothepipeorracketc.donotinstallsuchplace.
Besuretogroundwheninstall.
Donotinstallatplaceswheredirectsundroughtorwherethetemperatureisdrasticallychanged.
Donotinstallitwherevibrationorshocksmaytakeplace.
Keepthesystemfromtheequipmentwhichmaygeneratethenoise(Unit&cable).
Donotinstallitwherethedetectiongasisdepositedaround.
Donotinstallattheplacewhereitisdangerformaintenanceservicesuchashighvoltage
cable,etc.
Donotinstallitwhereitisunabletomakemaintenance.
Systemhousingthatgroundingconstructionisnotenough.
CAUTION

11
４−４．Cautioninthesystemengineering 

Unstablepowerandnoisemaycauseerrorofperformanceandalarm.
Forthesystemtousethisunit,itisrequiredtomakedesignbasedonthis
manualdescriptions.

（１）Stablepowerused
Whilethesystemgetsstableatpowerfailure,theexternaloutputandalarmcontactmaybe
onandthecareforitmustbetaken.Insuchcase,usethestandbybatteryortakeanappropriate
actioninthereceiverside.
Supplythefollowingpowertothisunit.
Powervoltage 100〜240VAC,50/60Hz
Powerfailure
tolerancetime
Approx50msec.
（Forpowerfailureof50msec,itre-starts）
Towarrantthecontinuousoperation,installthestandbybattery
outside.
Others
Donotcontactwithpowerinvolvinghighpowerloadandhigh
frequencynoise.
Accordingtorequirement,uselinefilterandseparateitfrom
noisesource.

（２）Designingtoconsiderradiation
Wheninstalltheclosedself-standingcontrolpanel,mountthefansintheupperandlowerpart.

（３）Lightningmeasures
Lightningsurge
Thereistheproblem“Lightning”.Whenmakeoutdoorwiringofcableatfactoryorplantsetcor
whenmakeaparallelwiringinthesameductwiththecableinfromoutdoorevenattheindoor
wiring.Ifthelightningisahugegenerationsource,thecableisareceptionantennaandthereis
thecasethatcableconnectinginstrumentisbroken.Itisimpossibletopreventthegenerationof
lightning.Ifthecableshouldputinmetaltubeorlaidintheunderground,itisimpossibletoprevent
theinductivelightningsurgegeneratingfromthethunder.
Lightning
measures
Thereisnotthecompletecountermeasureforitbutthefollowingmethodcanbeconsidered.
Makethesuitabletreatmentaccordingly.
a) Thetransmissionsignalrouteisarrangedforconnectionbytheopticalfibercableetc.
b) Countermeasurebythelightingarrester(Cablesafetyretainer).Thereisthewaytoinstall
the lightning arrester just before the field apparatus and the central control station.  The
positionofthelightningarresterinstallationisateachpointofcablelaidoutfromtheoutdoor
totheindoor.Thelightningarresterbuildsinthecircuittoremovethesurgevoltagetobethe
sourceforthedamageoffieldapparatus(Protectionresistor,zerodiodeetc.)andisdesigned
toprotecttheapparatus.Butasthesignalmaybeattenuatedduetothelightningarrester,
checktheactionanditisrequiredtouse.
Grounding Surgenoiseshallbegeneratedfromthethunderlightningorexceptit.
Toprotectdetectorfromthesecause,besuretomakegrounding.

＊Inthelightningrod,thereisthecircuittoremovethesurgevoltagetobeacauseofdamage
fromfieldinstruments.
Byinstallingthelightningrod,thesignalmaybeattenuated. Wheninstallthelightningrod,it
isrequiredtochecktheperformanceinadvance.
CAUTION

12

（４）Alarmcontact
・Alarmcontactsshallbeusedonlyforexternalbuzzerandalarmlight,anddonotuseitforthe
controllinguse(suchassolenoidvalvecontroletc).
Whencontroltheexternalload,thebadinfluencemaybegiventothesystemaccordingtotheload
characteristics.
Insuchcase,thefollowingcountermeasureshallbetakentostabilizetheactionandprotectthecontents.
・RelayedbythelowvoltagerelayandoperatebyconnectingCRcircuit(SparkKiller:SK)(DiodeetcforDC)
suitedforrelaycoildirectlytorelay.

 ・AddCRcircuittotheloadsideofrelayontherequest.
CAUTION  （FORUSEOFNORMALLY-CLOSEDCONTACT）
Normally-closedcontact(Breakcontact)atnon-existingconditionmaychangetoopencontactina
momentduetophysicalshock.
Wheneveralarmsignalsfromgasdetectorsareusedwithnormally-closedcontact,pleaseput
delayed-circuit(foraboutonesecond)toreceiversideofnormally-closedcontacttoavoid
suchphenomenon.

13

Reference:Bytheconditionofload,CRcircuitmaybebettertoinstallinthecontactsidebut
itisrequiredtoputinbycheckingtheactionofload.

ＳＫ:Surgeabsorptionfilter















−Howtothinkalarmcontactsagainstinductiveload−

Whenusetheinductiveloadforalarmcontacts,theveryhighreverseelectromotive
voltagemaybegeneratedandthefollowingtroubletendstobeproduced.)

・Contactpartofrelayismeltedadhesivelyandthecontactscannowork.
・Highvoltageisputinsideofindicator/alarmunitandthen,electricalpartsmaybedamaged.
・Asitisbignoise,thetroubleactionmaybetakenbytherecklessdriveofCPU.









※Astheinductiveload,therearefollowingsamples.
・Patlight*Externalrelay*Buzzer*Siren*Fan*Fluorescentlamp*Motoretc.


CAUTION 
・Theinductiveloadshallnotbeusedinprinciple(Donotusefluorescentlamp).
・Whenusetheinductiveload,makethecontactamplificationoutside,buttheoutside
relaycoilbelongstotheinductiveload,usetherelaydrivenbythelowvoltage(within
AC100V)anditisprotectedbyanappropriatesurgekiller.
・Whencontrolthelightinductiveloaddirectly,protectthecontactsbyanappropriatesurge
killerbyallmeans.
Ｖ
SK
L

o

a

d

Ｖ
SK
C

o

i

l

Powersupply
Powersupply Relay
(Lowpressure
relay)
Alarmcontact

14
４−５． Grounding
Makegroundingwithterminal
 BesuretomakegroundingbeforeputtingpowerON.

Besuretomakegroundingforsafetypurposeandtokeepstableoperationof
thisunit.
Donotconnectearthwirewithgaspipe.Makegroundingcorrespondingto
D-classgrounding(Groundingresistance:below100ohms).

WARNING
Terminal

15
５.CONNECTIONSOFEACHUNIT 
５−１．Connectionofpowercable
Thepowerrequirementofthismulti-unitcaseis100V〜240VAC±10%,50/60Hz.
Applypowersourcewithinthisspecifiedrange.
Beforeconnectingpowercable,FGterminalsshallbegrounded..Groundingresistanceshall
beaccordingtoD-classgrounding(Resistance:below100Ω).
Aftergroundinganditbecomesinsafetycondition,makewiringsforpowersourceand
others.

５−２ . Connectionsofdetectorheads.
Terminalnumbers③,④,⑤and⑥aretheconnectionofdetectorhead.
５−３． Connectionsofrelayoutputs
RM-590seriesprovidesrelayoutputsfor1stalarm,2ndalarmandtroublealarmineachunit.
Also,buzzerunitprovidesrelayoutputsfortotal1stalarm,total2ndalarmandtotaltrouble
alarm.
Ratingofrelaycontactis0.5Aat100VAC,1.5Aat30VDC(Resistiveload).
Whenconnectingtheloadaboverating,useauxiliaryrelaycircuit.
Whentheinductiveloadisusedforalarmcontact,connectanappropriatespark
killertotheloadside.

５−４．Connectionof4-2mAoutput
TheRM-590seriesprovides4-20mADCoutputfromeachunit.
Theloadtobeconnectedisupto300Ω(Max.).UseashieldedcableequivalenttoCVVS
forconnection.
Load
RY
Powersourcefor
auxiliaryrelay Powersourceforutility
Multi-unitcase
Terminalplate Auxiliary
relay
Alarmcontact

16
５−５．Connectiondiagramforeachdetectorhead
・ＧＰ−５９１／ＮＣ−５９１／ＮＣ−５９１Ｗforcatalyticcombustiongasdetectorheads.
TerminalplateforpumpinpowerunitTerminalplateofindicator/alarmunit
inmulti-unitcase
・ＧＨ−５９１forsemiconductortypegasdetectorheads.
TerminalplateforpumpinpowerunitTerminalplateofindicator/alarmunit
inmulti-unitcase
１
２
３
４
５
６
７
８
12
10
９
13
11
1stgasalarmcontact
2ndgasalarmcontact
Troublealarmcontact
＋

−
FG
S
uct
i
on
type
GD-D8
series
１２３６５４
Diff
us
i
ontype
detectorhead
GD-A8series
CVV−4C
1.25or2.0mm2
CVV−2C
1.25or2.0mm2
１
２
３
４
５
６
７
８
12
10
９
13
11
＋

−
FG
S
uct
i
on
type
GD-D8V
series
１２３６５４
Diff
us
i
ontype
detectorhead
GD-A8Vseries
CVVS−３C
1.25or
2.0mm2
CVV−2C
1.25or
2.0m2
1stgasalarmcontact
2ndgasalarmcontact
Troublealarmcontact
4〜20mA
output
4〜20mA
output

17
・ＯＸ−５９１（Directtransmission）/OX-592(4-20mAtransmission)
forgalvaniccelltypedetectorheads
TerminalplateforpumpinpowerunitTerminalplateofindicator/alarmunit
inmulti-unitcase
・ＥＣ−５９２ forelectrochemicalcelltypedetectorheads.
TerminalplateforpumpinpowerunitTerminalplateofindicator/alarmunit
inmulti-unitcase
１
２
３
４
５
６
７
８
12
10
９
13
11
1stgasalarmcontact
2ndgasalarmcontact
Troublealarmcontact
＋

−
FG
Suction
type
AC AC −＋
Diff
us
i
ontype
detectorhead
CVVS−2C
1.25or2.0mm2
CVV−2C
1.25or2.0mm2 Applicabledetectorheads
OX-591：GD-F3A,F4A,F44
GD-F8D

OX-592：GD-F3A-SC
GD-F4A-SC
Suction
type
GD-K7DⅡ
GD-K8DG
AC AC −＋
Diffusiontype
detectorhead
GD-K8A
１
２
３
４
５
６
７
８
12
10
９
13
11
＋

−
FG
CVVS−２C
1.25or2.0mm2
CVV−2C
1.25or
2.0mm2

1stgasalarmcontact
2ndgasalarmcontact
Troublealarmcontact
Short-circuit
4-20mA
output
4-20mA
output
Short-circuit

18
・ＲＭ−５９２ for2-wire,4〜20mAgeneralmeasuringsignalordetectorheads.
Terminalplateofindicator/alarmunit
inmulti-unitcase

・ＲＭ−５９３for3-wire,4-20mAdetectorheads
 Terminalplateofindicator/alarmunit
inmulti-unitcase
１
２
３
４
５
６
７
８
12
10
９
13
11
1stgasalarmcontact
2nd gasalarmcontact
Troublealarmcontact
 ＋
4〜20mAoutput
 −
FG
+24V Sig0V
Detectorhead
CVVS−３C
1.25or2.0mm2
Applicabledetectorhead
・GD-□77series
・SD-703series
・SD-705series
・etc.
−＋
Detectorhead/
4-20mAtransmitter
１
２
３
４
５
６
７
８
12
10
９
13
11
＋

−
FG
CVVS−2C
1.25or2.0mm2
Short-
circuit
1stalarmcontact
2ndalarmcontact
Troublealarmcontact
Applicabledetectorhead
GD-□11series,etc.
4-20mAoutput

19
6.PRODUCTSPECIFICATIONS

Model :５９０−□□Ｗ,Wallmountingdesign
５９０−□□Ｒ,Panel/Rackmountingdesign
Applicableunit :Indicator/alarmunitforRM-590seriesandTAN-590
Structure :Wallorpanel/rackmounting,unitcouplingmethod
Numberofcouplingunit:Upto12indicator/alarmunits.
Powerrequirement :100〜240VAC,50/60Hz
Powerconsumption :Max250VA(including12indicator/alarmunits)
Output :24VDC,Max10W
100〜240VAC,50VA(Forpump)
Fuse :250V5AT(Forpowersource)
250V2AT(Forpump)
Externalterminal :Screwtype(3mm)
Outerdimensions  
&weight :Panel/Rackmountingdesign
  590-04R: Approx261(W)×260(H)×153(D)mm Approx5.7kg
590-06R: Approx334(W)×260(H)×153(D)mm Approx7.1kg
 590-09R: Approx443(W)×260(H)×153(D)mmApprox9.2kg
590-12R:Approx552(W)×260(H)×153(D)mm Approx11.3kg
Wallmountingdesign
  590-04W: Approx261(W)×260(H)×156(D)mm Approx5.7kg
590-06W: Approx334(W)×260(H)×156(D)mm Approx7.1kg
 590-09W: Approx443(W)×260(H)×156(D)mmApprox9.2kg
590-12W:Approx552(W)×260(H)×156(D)mm Approx11.3kg


