Mettler Toledo InTrac 785 / 787 Retractable Housings Installation guide

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InTrac 785 / 787 11

©07/2019Mettler-ToledoGmbH InTrac 785 / 787

PrintedinSwitzerland 30313391B

InTrac 785 / 787

Quick Setup Guide

1 Introduction

TheMETTERTOLEDOInTrac

®

785/787retractablehousings

areintendedforuseinconjunctionwithspeciedMETTLER

TOLEDOelectrodes/sensors,namelypHandredox(ORP)

combinationelectrodesaswellasdissolvedoxygen(DO),

conductivityorturbiditysensors.Pleasereadthroughthis

quickset-upguideandtheoperatinginstructionscarefully

beforecommissioning,inordertoensuretrouble-freeuse.

Operatingandmaintenanceshouldbecarriedoutonlyby

trainedpersonnelandstaffwhohavereadandunderstood

theoperatinginstructions.

2 Safety instructions

h

Notice: Before every start-up,the housingmust be

checkedfor:

–Damagetotheconnections,fastenings,etc.

– Leakage

–Perfectfunctioning

–Authorizationforuseinconjunctionwithotherplant

equipmentandresources.

h

Notice: The manufacturer/supplier accepts no

responsibilityforanydamagecausedbyunauthorized

attachments or forthe incorporationofspare parts

which are not of METTLER TOLEDO provenance.

Theriskisborneentirelybytheoperator.

a

Caution: Beforethehousingisputintooperation,the

operatormusthavealreadyclariedthatuseofthe

sensor in conjunction with the other associated

equipmentandresourcesisfullyauthorized.

a

Caution:Adefectivehousingmayneitherbeinstalled

nor put into operation. Faulty containment or

installationoutofconformancewithregulationsand

instructionscanleadtotheescapeofmediumorto

pressuresurges(explosion),potentiallyharmfulboth

topersonsandtotheenvironment.

a

Caution: Thehousingmayonlybeoperatedtogether

with the specied electrodes/sensors. If an elec-

trode/sensorisbrokenitmustbereplacedimmedi-

ately.

a

Warning: Before dismantling the housing or

commencinganymaintenanceworkonit,ensurethat

theequipmentinwhichthehousingisinstalledisina

safecondition(depressurize,noexplosionrisk,empty,

rinse,vent,etc.).

a

Warning: Theelectrodeorsensormayonlyberemoved

fromamountedretractablehousingwhenthisisinthe

“service”(retracted/withdrawn)positionandtheball

valveisclosed,sinceiftheelectrode/sensorismissing

fromthehousingtherewillbepathfortheprocess

mediumtoescapetotheenvironment.

a

Warning: The housing may only be moved to the

“measure”positionwhenasensoristtedandtheball

valveisopen.Themaximumpermissibletemperature

andpressurespecicationsmustnotbeexceeded.The

values depend upon the design and type of the

retractable housing. The relative specications are

givenonthelabeloftheindividualhousings.

en

en QuickSetupGuide

12 InTrac 785 / 787

InTrac 785 / 787 ©07/2019Mettler-ToledoGmbH

30 313 391 B PrintedinSwitzerland

3 Product description

Thelabelonthehousingcontainsthefollowinginformation

METTLERTOLEDO

www.mt.com

ImHackacker15

CH-8902Urdorf,Switzerland

Manufacturerofthe

housingandcontact

d e t a i l s 

InTrac 785 / 787 Typeofhousingfamily

PartNo.:XXXXXXXX Partnumber

SNR Serialnumber

PS Maximumpermissible

pressure

TS Maximumpermissible

temperature

CE

xxxx

CEmarkingwithnotied

bodynumber

Seeinstructionmanual Seeinstructionmanual

fordetaileddescription

4 Installation and commissioning

1.While unpacking, check the housing for mechanical

damage.Pleaseimmediatelyreportanydamagetoyour

localMETTLERTOLEDOrepresentative.

2.Ensurethehousingisfullyretractedandinthe“service”

position.

3.Isolate the pipe/tank/vessel etc. from the housing

(depressurize,empty,rinse,purgeandvent,etc.)before

startinganyinstallationwork.

4.Fit the housing to ange/NPT thread of process

connection.

5.Attach the ushing lines (optional ushing chamber

whenapplicable).

6.Fittheelectrode/sensortothehousingandconnectthe

electrode/sensorandthetransmitterwithcorresponding

cable.

7. Loosenxingscrew<3>toreleasetheimmersiontube

<1>byhandorusingano.38spanner.

8.Opentheballvalve<2>.

9.Slidetheimmersiontubeintothemeasuringpositionas

farasnecessaryoruntilitstops.

10.Ifthehousingisnotinsertedasfarasthestop,xthe

adjustingring<4>inthedesiredposition.

11. Tightenxingscrew<3>byusingano.38spanner.

Refertohousinginstructionmanualfordetaileddescription.

1

2

3

4

en

InTrac 785 / 787 13

©07/2019Mettler-ToledoGmbH InTrac 785 / 787

PrintedinSwitzerland 30313391B

5 Operation: Inspection work

1. Visuallycheckfastenings(ringnut,ange,NPTthread)

ofthehousingattheprocessconnectionforrmsealing

andleaks.

2. Ifnecessary,checktheconditionoftheelectrode/sensor

(refer to sensor instruction manual for cleaning and

calibrationprocedures).

3. Calibrate/cleantheelectrode/sensorifnecessary(refer

tosensorandtransmitterinstructionmanuals).

6 Maintenance

1. Ensurethehousingisfullyretractedandinthe“service”

position.

2. Isolate the pipe/tank/vessel etc. from the housing

(depressurize,empty,rinse,purgeandvent,etc.).

3. Removethesensorfromthehousing.

4. Removetheretractablehousingfromthepipe/tank/vessel

etc.(ifchangingofhousingsealisneeded).

5. Changethehousingseal.

6. Calibrate/cleantheelectrode/sensorwithreferenceto

sensorandtransmitterinstructionmanuals.

7. Followtheinstallationandcommissioningprocedure.

7 Disposal

Itistheuser’sresponsibilitytodisposeofthehousingin

a professional manner and in accordance with local

regulations.

8 Warranty

Onmanufacturingdefects,12monthsafterdelivery.

9 Storage condition

We recommended following the shutdown procedure as

describedinthehousinginstructionmanual.Thecleaned

anddriedhousingshouldbestoredatroomtemperature.

10 EC Declaration of Conformity

Thecompletedeclarationisavailableinthedeclarationof

conformitycerticate

InTracisaregisteredtrademarkofMettler-ToledoGmbHinSwitzer-

land,theUSA,theEuropeanUnionandafurthervecountries.

en

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Addresses|Impressum

Mettler-ToledoGmbH,ProcessAnalytics

ImHackacker15,CH-8902Urdorf,Switzerland

Phone+41447296211,Fax+41447296636

Subjecttotechnicalchanges.

PrintedinSwitzerland.30313391B

www.mt.com/pro

ForaddressesofMETTLERTOLEDO

MarketOrganizationspleasegoto:

www.mt.com/pro-MOs

Mettler Toledo InTrac 785 / 787 Retractable Housings Installation guide

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