Bronkhorst MASS-VIEW Series Manual de usuario descargar pdf (Pagina 11)

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BRONKHORSTHIGH‐TECH

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9.17.051 MASS‐VIEW®series Page11

2.3 Mounting

ThemountingpositionoftheMASS‐VIEW

isvertical,althoughitispossibletoturnthedevice180°and

change the display setting. Avoid installation in close proximity of mechanic vibration and/or heat

sources. 

2.4 In-line filter

2.5 Fluidic connections

The MASS‐VIEW

  can be equipped with (compression) fittings. Tighten the nut finger tight; while

holding the instrument, then tighten the nut 1 turn. If applicable follow the guidelines of the

manufacturer of the fittings. While tightening fittings, do not apply excessive force, in order to avoid

damagingin/outputthreadorothersensitive

partsofyourinstruments.

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PleasebeawarewhenusingOxygen(O

)thatthefittingsmountedtothebodyshouldbeabsolutely

oxygenclean.

2.6 Piping

Besurethatpipingisabsolutelyclean!

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DO NOT install small diameter piping on high flow rates, because the inlet jet flow will affect the

accuracy.

DONOTmountabruptanglesdirectonin‐andoutlet,especiallynotonhighflowrates.Atleast10pipe

diametersdistancebetweentheangleandtheinstrumentisrecommended.

DO

NOT mount pressure regulatorsdirect on the inlet of gas flowmeters/controllers,but  allow some

metersofpiping(atleast25pipediameters).

2.7 Electrical connections

TheMASS‐VIEW

instrumentsarepoweredwith+15Vdcto+24Vdc.

When providing your own power supplybe surethat voltageandcurrent ratingare according to the

specifications of the instrument(s) and furthermore that the source is capable of delivering enough

powertotheinstrument.RefertoHook‐upMASS‐VIEW

series(document nr. 9.16.085) for more

details.

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When using other cables, cable wire diameters should be sufficient to carry the supply current and

voltagelossesmustbekeptaslowaspossible.

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Whenconnectingthesystemtootherdevices(e.g.toPLC),besurethattheintegrityoftheshieldingis

notaffected.Donotuseunshieldedwireterminals.

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Althoughthegasestobemeasuredshouldbeabsolutelyfreeofdirt,oil,moistureandotherparticles,

itis recommendedtoinstallanin‐linefilter upstreamoftheflowmeter/ controller,and if backflow

can occur, a downstream filter is recommended too. Be aware of the pressure drop

caused by the

filter.

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Always check your system for leaks, before applying fluid pressure. Especially if toxic, explosive or

otherdangerousfluidsareused.

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Werecommend usingourstandard cables.Thesecableshave the rightconnectorsandif looseends

areused,thesearecolouredandmarkedtopreventimproperconnection.

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Allcablingoptionscanbepurchasedonlinewww.massflow‐online.com

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