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13TP

GASTEC 13TP Operating instructions

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MEASUREMENT PROCEDURE :
If the Automatic Air Sampling Pump Model GSP-300FT-2 or GSP-501FT is used.
1. Priortooperationpleaseconfirmifblackcolourinletrubbertubeholderisequippedwiththepump.
2. Breaktipsoffafreshprimarytubeandsecondarytubebybendingeachtubeendinthetubetip
breakerofthepump.
3. Connect©markedendswithrubbertubingafterbreakingeachend.
4. Insertthetubeintothepumpinletwitharrow()onthetubepointingtowardpump.
5. Settheflowrateto100mL/minandtimerto10minutesatthepump.Pressthestartswitchofthe
pumptostartthesampling.
6. Aftersamplingiscompleted,removethedetectortubefromthepump.
7. Readtheconcentrationlevelattheinterfacewherethestainedreagentmeetstheunstainedreagent.
Formeasurementshigherthan1.0ppm,prepareafreshtube.Settheflowmetreat50mL/minand
timerto“10minutes”ofthepumpandstartthesamplingagain.
8. Ifnecessary,multiplythereadingsbythecorrectionfactorsofsamplingrateandatmosphericpressure
respectively.
INTERFERENCES :
Substance Concentration Interference Change colour by itself to
Hydrogensulphide ≧0.1ppm ＋Yellowishgreen(≧0.1ppm)
Carbonylsulphide ≧0.8ppm ＋Yellowishgreen(≧0.8ppm)
Dimethyldisulphide ≧1.0ppm ＋Yellowishgreen(≧1.0ppm)
MethyleneChloride ≦50ppm No Nodiscolouration
Acetone ≦500ppm No Nodiscolouration
Methanol ≦200ppm No Nodiscolouration
Sulphurdioxide ≧0.1ppm ＋Yellowishgreen(≧0.1ppm)
 Thistableofinterferencegasesprimarilyexpressestheinterferenceofeachcoexistinggasinthe
gasconcentrationrange,thatisequivalenttothegasconcentration.Therefore,thetestresultmay
giveapositiveresultfromothersubstancesnotlistedinthetable.Ifmoreinformationisneeded,
pleasecontactusorGastecrepresentatives.
WHEN MEASURING OVER AN INTERVAL OF 15 MINUTES :
 ThisDetectorTubecanmeasurecontinuouslyfor15minutes,soitispossibletomeasurethe
averageconcentrationfor15minutesinonemeasurement.InthecasewherethisDetectorTubeis
usedtomeasureover15minutes,followtheMEASUREMENTPROCEDUREandusevaluesfrom
thetablebelowforsetSamplingRate,SamplingTime,andCorrectionFactor.
MeasuringRange (0.033)-0.66ppm 0.66-1.59ppm
SamplingRate 100mL/min 50mL/min
CorrectionFactor 0.66 1.59
SamplingTime 15min 15min
DANGEROUS AND HAZARDOUS PROPERTIES :
 ThresholdLimitValue-TimeWeightedAveragebyACGIH(2022):1ppm
INSTRUCTIONS ON DISPOSAL :
 Thereagentofthepretreatmenttubeusesasmallamountofhexavalentchromium.Thereagentof
thedetectortubedoesnotusetoxicsubstance.Whendisposingthetuberegardlessofwhetherithas
beenusedornot,followtherulesandregulationsofyourlocalgovernment.
WARRANTY :
 Ifyouhaveanyquestionsregardinggasdetectionandqualityofthetubes,pleasefeelfreetocontact
usoryourGastecrepresentatives.
FOR SAFE OPERATION :
 CarefullyreadthismanualandtheinstructionmanualofyourAirSamplingPumpbeforeuse.
⚠
CAUTION : If you do not observe the following precautions, you may suffer
injuries or damage the product.
1. Whenbreakingthetubeends,keepawayfromtheeyes.
2. Donottouchthebrokenglasstubes,piecesorreagentwithbarehands.
△
NOTES : For maintaining performance and reliability of the test results,
observe the following.
1. RecommendtouseGastecGasSamplingdeviceModelGSP-300FT-2orGSP-501FTtogetherwith
GastecDetectorTubesonlyforthepurposesspecifiedintheinstructionmanualofthedetectortube.
2. Usethistubewithinthetemperaturerangeof0-35℃(32-95℉).
3. Usethistubewithintherelativehumidityrangeof0-90%.
4. Thistubemaybeinterferedwithbythecoexistinggases.Pleaserefertothetable"INTERFERENCES"
below.
5. Shelflifeandstorageconditionofthetubesaremarkedonthelabeloftheboxoftubes.
APPLICATION OF THE TUBE : UsethistubeforthemeasurementofCarbondisulphideinair
orintheindustrialareasandenvironmentalatmosphericcondition.
SPECIFICATION : (BecauseofGastec’scommitmenttocontinuedimprovement,specificationsare
subjecttochangewithoutnotice.)
 TheMinimumScale(0.05ppm)isnotprintedonthetubeandisindicatedasaScaleLineonly.
MeasuringRange (0.05)-1.0ppm 1.0-2.4ppm
SamplingRate 100mL/min 50mL/min
CorrectionFactor 1 2.4
SamplingTime 10min 10min
DetectingLimit 0.04ppm(1000mL)
ColourChange Blue→Yellowishgreen
ReactionPrinciple CS2+I2O5+H2S2O7→SO2+CO2
SO2+Base→Chloride
Coefcient of Variation: 5% (for 0.05 to 1.0 ppm)
** Shelf Life: Please refer to the validity date printed on the box of tubes.
** Store the tubes in a cool and dark place.
CORRECTION FOR ENVIRONMENTAL CONDITIONS :
Temperature : Nocorrectionisrequiredbetween0-35°C(32-95°F).
Humidity : Nocorrectionisrequiredbetween0-90%R.H.
Pressure : Tocorrectforpressure,usetheformulabelow
  TubeReading＊(ppm)×1013(hPa)
  AtmosphericPressure(hPa)
 ＊
Thisvalueisafterothercorrection(s),ifany,areapplied.
No.13TP
Instructions for
Carbon Disulphide Detector Tube
Manufacturer:GastecCorporation
8-8-6Fukayanaka,Ayase-City,Kanagawa252-1195,Japan
https://www.gastec.co.jp/
Telephone+81-467-79-3910Facsimile+81-467-79-3979
IM0113TPE1
PrintedinJapan
22J1Z
Humidity scrubber
Detecting Layer
Oxidising agent Pretreatment layer
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