Bronkhorst MASS-VIEW Series Manual de usuario descargar pdf (Pagina 6)

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BRONKHORSTHIGH‐TECH

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Page6 MASS‐VIEW®series 9.17.051

1.5 Warranty

TheproductsofBronkhorstHigh‐TechB.V.arewarrantedagainstdefectsinmaterialandworkmanship

foraperiodofthreeyearsfromthedate ofshipment, providedtheyareusedinaccordancewiththe

ordering specifications andthe instructions in this manual and that they are not subjected to abuse,

physical

damageorcontamination.

Products that do not operate properly during this period may be repaired or replaced at no charge.

Repairsarenormallywarrantedforoneyear or thebalanceoftheoriginal warranty,whicheveristhe

longer.

Thewarrantyincludesallinitialandlatentdefects,randomfailures,andundeterminable

internalcauses.

It excludes failures and damage caused by the customer, such as contamination, improper electrical

hook‐up,physicalshocketc.

Re‐conditioningofproductsprimarilyreturnedforwarrantyservicethatispartlyorwhollyjudgednon‐

warrantymaybechargedfor.

Mass Flow ONLINEB.V. prepays outgoing freight charges when

 any party of the service is performed

underwarranty,unlessotherwiseagreeduponbeforehand,however,iftheproducthasbeenreturned

collecttoBronkhorstHigh‐TechB.V.,thesecostsareaddedtotherepairinvoice.Importand/orexport

charges,foreignshippingmethods/carriersarepaidforbythecustomer.

1.6 General Description

The MASS‐VIEW

  series operate on the principle of direct thermal mass flow measurement (no by‐

pass). An advantage of using this type of sensor is that the instruments measure direct mass flow,

virtuallyindependentofpressureandtemperaturechanges,andhavealowpressuredrop.

Otheradvantagescomparedtoconventionalmetersare

the high accuracyand the large range ability.

TheMASS‐VIEW

seriesaresuppliedwithtotalizerandalarmfunctions.Flowcontrolcanbeachieved

by an optional built‐in needle valve. A bright graphical OLED display, clearly visible over any angle,

allowsreadingofactualflow(valueandbargraph),totalflowandfluidtype.Thedisplayfeatureseasy

navigation through a user‐friendly menu, using a 4‐way button with centre push. Furthermore the 

instrumentshave2potentialfreealarmcontactsgroundedononeside.

1.7 Housing

The MASS‐VIEW

  meter has a straight tube with a mass flow sensor. The fluid connections have an

innerthreadofG1/4”(1/4”BSPPcavity).Theconnectionsresideonthebackoftheinstrument.

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Thebottomfluidconnectionistheinlet;theupperconnectionistheoutlet.

Forelectricalconnectionandpowersupply,theinstrumenthasaRJ‐45modularconnectorontopofthe

instrument. These instruments are suited for indoor (dry) applications, like laboratories and in well

protected(OEM)housings.ThefrontpartismadeofABS,thebackpartofAluminium.Thelaminarflow

element

 and orifice size inside the control valve are optimized for the customers gas and process

conditions.

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MASS‐VIEW®

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MASS‐VIEW®

withneedlevalve

MASS‐VIEW®

withconstant‐flowcontroller

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Bronkhorst MASS-VIEW Series Manual de usuario Pagina 6

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