Gigasense RTM-D Manuale utente

  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page1/16

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RTM‐D

RopeTensionMeter

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  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page2/16

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SYMBOLSUSED........................................................................................................................................3

IMPORTANTINFORMATION....................................................................................................................3

GENERAL–INTENDEDUSE......................................................................................................................3

CONSTRUCTION.......................................................................................................................................4

SAFETYINFORMATIONANDWARNINGS................................................................................................4

SPECIFICATIONS.......................................................................................................................................5

SAFETYANDENVIRONMENT...................................................................................................................5

FUNCTION................................................................................................................................................5

RTM‐DMAINPARTS................................................................................................................................6

FUNCTION................................................................................................................................................7

MEASURINGPRACTICE............................................................................................................................8

HANDLING...............................................................................................................................................9

BEFOREUSE...........................................................................................................................................13

MEASURINGINSTRUCTIONS.................................................................................................................14

ERRORCODES........................................................................................................................................14

MAINTENANCE......................................................................................................................................15

TROUBLESHOOTING..............................................................................................................................15

IDENTIFICATIONANDSPAREPARTS......................................................................................................15

REPLACEMENTOFPARTSANDDISPOSAL.............................................................................................16

RECOMMENDEDSPAREPARTS.............................................................................................................16

CE‐CERTIFICATION.................................................................................................................................16

MANUFACTURERCONTACT..................................................................................................................16

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Revisionhistory:

Rev000_2019‐09‐04 Firstedition

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  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page3/16

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SYMBOLSUSED

Thefollowingsymbolsareusedthroughoutthisdocumentation,and/ormarkedontheproduct:

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CAUTION.Thissymbolontheequipmentindicatesthatthemanualmustbeconsulted.

Inthismanualitappearsbeforeinstructions,whichifnotfollowed,mayresultin

productdamageorimproperfunction.

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CE‐mark.Indicatesthatweasamanufacturerdeclarethatthisproductisinconformity

withallrelevantCE‐markingDirectives.

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Followlocalregulationsregardingrecyclingatdisposalofthisproduct.Thisproduct

mustbedisposedofseparately,andnotwithnormalhouseholdwaste.Seeseparate

sectioninthismanual.

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IMPORTANTINFORMATION

Toensuresafeoperation,thismanual,togetherwithapplicablelocaluserindustry’ssafetyrules

andregulationsmustbefollowed.

Gigasenseproductwarrantyisnotvalidifothermodificationsthanthosedescribedinthismanual

aremade.

GigasenseABwillnotberesponsibleforanyotheruseofthisproductthantheintendeduse,

whichisspecifiedinthismanual.

Thebuyerofthisproductisresponsibleforgivingonlyadequatelytrainedpeopleaccessto

installation,commissioning,maintenanceandusageofthisproduct.Theusersandinstallation

personnelmusthavereadandunderstoodthismanual,beforeusingorinstallingthisproduct.

Theinstructionsinthismanualmustbefollowedininstallation,usageandmaintenance

procedures.

GigasenseABwillnotacceptanyresponsibilityforfailureduetomisuse,improperinstallationor

impropermaintenance.

Apartfromtheabove,theremaybelocallaws,safetyregulationsanddirectivesfrompublic

authorities,relevantfortheuseofthisproduct.

GENERAL–INTENDEDUSE

TheRopeTensionMeterRTM‐Disaninstrumentspeciallydesignedformeasuringthetensionin

differentkindofropes.Themeasurementsaremadeaccurateandswiftlysomewhereonthe

tensionedrope,withoutanyextrapreparations(off‐loadinge.t.c.).Themeasurementscanbedone

onropeswithdifferentdiametersanddifferentdesigns.Theropescanbemadeofsteel,metalor

plasticmaterial,andusedasGuy‐wires,suspensionwires,supportwiresforcautionarysystemse.t.c..

TheRTM‐Disabletocontainupto10differentcalibrations,i.e.measurementscanbedoneon10

differentropes,”RopeNo:s”,withoutbeingforcedtouseconversiontables.Onthedisplayyouget

therighttensionfortheseropes.WiththeRope‐Listattachedtotheinstrument,youcanselectthe

correct”RopeNo”(calibration).Inordertostronglyincreasetheaccuracyofthereadings,eachrope

iscalibratedatfourpoints.Theseare:0%,30%,60%and100%of”CalCap”.

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  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page4/16

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Type:RTM‐DS/N:XXXXDate:18‐12‐01

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Norm.Unit:lbsx1000

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Alt.Unit:kN

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Rope – List (example)

Cal Cap = Max calibrated capacity for each Rope

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CONSTRUCTION

The RTM-D is made of side plates with anodised aluminum. The RTM-D is corrosion and weather

resistant.

SAFETYINFORMATIONANDWARNINGS

 Supplementaryprotectivemeasuresmayberequiredonthebasisofriskassessmentsforthe

application.

 Thesystemmustbetakenoutofoperationintheeventofdamage.

 Thepersonnelwhoworkandoperatethesystemareresponsibleforunderstandingthefunction

describedinthismanual.Ifanyquestionsoruncertaintiesoccur,GigasenseABmustbeinformed

beforethesystemisputisused.

 Acorrectfunctionmustbeverifiedbeforethesystemisputinnormaloperation.

 Ifthisequipmentisusedinamannernotspecifiedinthismanual,orbyGigasenseABpersonnel,

protectionorfunctionnormallyprovidedbythisequipmentmaybereduced.

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Sel.

ope:Peak+On/Off Toggle: +/‐ Confirm: Enter/Ze

RopeNo.Diameter

–

TypeA

ea(mm2) Cal.Cap.(100%)

‐1‐0.29” 1x731.7 2.2x1000lbs

‐2‐0.36” 1x751.7 6.6x1000lbs

‐3‐0.42” 1x768.6 8.8x1000lbs

‐4‐0.52” 1x7102.0 11.0x1000lbs

‐5‐0.61” 1x7143.6 11.0x1000lbs

‐6‐0.70” 1x7183.0 11.0x1000lbs

‐7‐

‐8‐

‐9‐

‐0‐

  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page5/16

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SPECIFICATIONS

Max Cap = RTM-D’s Max. Capacity

Cal Cap = Max calibrated capacity for each Rope

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SAFETYANDENVIRONMENT

 Testinginstrumentforswift,handyandaccuratetestingofpretensionedstationaryropes.

 Cantemporarilybeoverloadedwith100%ofitsnominalcapacitywithoutaffectingthe

accuracyoftheinstrument.

 TheRTM‐Disdeliveredinarobustandlightweighttransportcase(760x400x170mm)for

easyhandlingandprotectionoftheinstrument.

FUNCTION

TheRTM‐Disverysimpleandhandytouse.Simplyholdand”clip”ittotheropetobetestedanduse

thelargehandscrewtodeflecttheropetoafixedangle.Theresultantforcewillthenaffecttheload

cellandmeasurethetensioninthewirerope.Theresultantsignalisdigitallyprocessedand

displayedinagraduationselectedandpreprogrammed.TheRTM‐DcanbegraduatedinkN,klb.orin

metricton.

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RTM‐DMax.cap.lbs/kg 4400/2000 11000/5000 22000/10000 44000/20000

Resolution(guidance).Normallyseparatelysetfor

each”RopeNo”/Cal.Cap.lbs/kg 25 10 20

Ropedim.interval,approx.from0.23”‐/6mm‐

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Ropedim.interval,approx.from0.35”‐/9mm‐

Ropedim.interval,approx.from0.51”‐/13mm‐

Ropedim.interval,approx.from0.71”‐/18mm‐

MaindimensionsRTM‐D (LWH)26.97”x5.51”x14.96"/685x135x380mm

WeightRTM‐D 14lbs/6,2kgnet

MaindimensionsTransp.Case (LWH)29.92”x6.69”x15.75”/760x170x400mm

Weight(RTM‐D+Transp.Case) 24.8lbs/11,2kg

Accuracy(dependentonwireropetypeand

characteristics) 2‐6%ofmax.capacity

Temperaturerangeambient ‐4°F‐+140°F/‐20°C‐60°C

Display LCD0–19999

Digitsize 0.47”/~12mm

Batterylife‐time(hours) 25(Alkaline9Vbattery6LR61)

Degreeofprotection(IEC529,NEMA IP65

Material adonizedaluminium

  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page6/16

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RTM‐DMAINPARTS

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1.Tighteningdevice   8.Display

2.Clampingjaw   9.Pullrod

3.Tighteningscrew   10.Leafspringunit

4.Centresupport(flat)   11.Loadcell  

5.Outerropesupport   12.Batteryunit

6.Electronicunit   13.Batteryunitopening

7.Pushbuttons

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



  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page7/16

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FUNCTION

Bymeansofthetighteningdeviceofthecentresupport,

theropeisforcedtodeclineaccordingtofigure

4:1.Theanglewillalwaysbethesameastherope

ispressedagainstthefixedcentresupportbymeans

oftheclampingjaw.Eveniftheropediameteris

changed,theanglewillstaythesame.

Aresultantforceisthenobtained,perpendicularto

themaindirectionoftherope,seefigure4:2.



sinα=0.5Xx1/F

F/X=20(standardRTM‐Dratio)

sinα=0.5Xx1/20X

α=1.43°i.e.givesaratioof20:1



Theresultantforceaffectsthepullrodwhichisfirmly

connectedwiththeflatcentersupport.Thepullrod

affectsinitsturntheloadcell,whichgivesanelectrical

signalwhichisproportionaltotheforce.Thesignalis

amplified,convertedandindicatedontheLCDdisplay

oftheinstrument.



TheLoadCell



Theloadcellismadeoftoughenedsteel.

Itisconstructedwithstraingauges(wheatstonebrigde).

Theloadcellhassupportsintheendpoints

andwillthereforebendwhenthepullrodisloaded

(figure4:3).



4:1

4:2

4:3

4:4

  UserManual,RopeTensionMeterRTM‐D

ManualRTM_000_190904_EN.docx ©GigasenseAB Page8/16

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MEASURINGPRACTICE



General



MeasurementsusingtheRTM‐Dcanbemadeintwodifferentways:



1. TheropetobemeasuredisloadedtotheforceX.TheRTM‐Disinstalledandthetension

valueisreadonthedisplay.



2. TheRTM‐Disinstalledontheropewhenitisslack.ThentheropeisloadedtotheforceX.

Afterthatthetensionvalueisreadonthedisplay.



Experiencehasgiventhatabettermeasurementresultisobtainedwhenusingmethod1above.



AllRTM‐D’s(”RopeNo:s.”)arenormallycalibratedformeasuringaccordingtomethod1,i.e.

measuringonanalreadytensionedrope.



Varioustypesofropes



OnthesignatthehandleoftheRTM‐D,themaxropedimension(diameter)isengraved,decided

fromtherangeoftheouterropesupports.Thelimitforusableminropedimensionismore

approximate.YoucanfindsomeguidanceunderSpecifications.

Formultistrand(flexible)ropesyounormallyobtaingoodaccuracy,evenifthediameterand/orthe

numberofstrandsdifferfromthecalibrationrope.Whenitcomestomeasurementsonrigidropes

withfewstrands,theaccuracywillbelessifthediameterand/ortheconstructionoftheropediffer.

Itisespeciallyobviousforthickstiffropes.Yougetthebestaccuracywhenmeasuringonarope

identicaltothecalibrationrope.



Measuringonatensionedrope(check)



Theinstrumentisnormallycalibratedformeasuringonanalreadytensionedropeaccordingto

method1above.Firstyouselectcorrect”RopeNo”,dependingonwhichropeyouaregoingtomake

measurementson.TheRTM‐Dthenshouldbemounted/tightenedtothetensedrope.The

measurementresultonthedisplayshowsthetensionforceintherope.Itisoftensuitableto

performafewmoremeasurementsatdifferentspotsontherope.



Slackropetoaspecifiedtension



Select”RopeNo”.InstalltheRTM‐Dontheslackrope.LoadtheropeuntiltheRTM‐Dshowsapprox.

90%ofthedesiredendvalue.LoosentheRTM‐Dandtheninstallitagain.TheRTM‐Dwillnow

indicateahighervalue,probablyratherclosetothedesiredendvalue.Ifnecessary,makean

adjustmentofthetensionwiththeRTM‐Dinstalled.LoosentheRTM‐Dandcheckagain.TheRTM‐D

shouldalwaysbecompletelyloosenedbetweenmeasurements.



  UserManual,RopeTensionMeterRTM‐D



HANDLING



HowtousethePushbuttons



PresstheON/OFFbuttontostarttheinstrument.Thestartupisindicatedonthedisplaybyshowing

selected”RopeNo”(earlierusedrope)forabout2seconds,e.g.



TheunitisturnedoffbypressingandholdingtheON/OFFbuttonforabout1second.Theunitwill

alsobeautomaticallyturnedoff,ifanyofthebuttonshavenotbeenactivatedwithina

programmabletime.Thetimecanbesetbetween1and60minutesandthisisdescribedinpage12.



Wheninstalledonthecompletelyslackrope,theRTM‐Dshouldindicatezeroonthedisplay,

otherwiseyouhavetozerotheinstrument.Whenyousettozero,holdtheRTM‐Dwiththe

tighteningdevicehangingverticallyorputtheRTM‐Dinthispositiononaslackrope.



TheinstrumentiszeroedbypressingandholdingtheENTER/ZEROforabout2seconds.Thedisplay

willIndicate



Thezero‐settingremainssavedeveniftheRTM‐Disturnedoff.Thiszero‐settingshouldonlybedone

whentheropeisuntensioned.



  UserManual,RopeTensionMeterRTM‐D



ZERO‐settingoftheinstrument



KeeptheRTM‐Dverticallyaccordingto:



A.Hanginginthehandle



or:



B.Restingontheupper

supports–nottightened



ThenpresstheZERObuttonforapproximately5seconds



IfyouZERO‐settheRTM‐D–tightenedonaropeundertensionyouwillgetanincorrect(low)

readoutonthedisplay



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