Buchi Interface I-100 Manuel d'utilisateur télécharger pdf (Page 27)

BÜCHILabortechnikAG Operation|6

OperationManualInterfaceI100 27/42

6.3.2 Simplecalibration(withouttemperaturecompensation)

Thiscalibrationmethodisusedtoadjustthelinearityofthepressuresensoratspecific

predefinedpressurelevels.Duringthecalibrationsequencethepressuresensoris

calibratedatroomtemperatureinsixstagesatnormalatmosphericpressureandat

800,600,400,200and10mbar.

NOTE

Thiscalibrationprocessmayonlybecarriedoutbyauthorizedservicetechnicians.

Duringthecalibrationsequence,thesystemcarriesoutaplausibilitycheckonthe

measuredreadingsandindicatesafaultiftheconfirmedreadingsareimplausible.

u Connectthereferencepressuregaugetothesamevacuumsystemthatthepump

andinterfaceunitareconnectedto.

u Onthecalibrationmenu,selecttheoptionSimplepressurecalibration.

Fig.18:Menu>Pressuresensorcalibration>Simplepressurecalibration

u Usingthearrowbuttons,adjustthespecifiedreferencepressuretothefigure

shownonthereferencepressuregaugeandpressOKtoconfirm.

u PresstheNextbutton.

u UsingtheP↑andP↓buttons,increase/decreasethevacuuminthesystemuntilthe

pressureshownonthereferencegaugeiswithin±10mbarofthespecifiedsetting.

u Repeatthelastthreestepsforeachofthepressurelevelslistedabove.

u Oncompletionofthelaststep,pressOKtoconfirmthecalibration.

Thecalibrationsettingsaresavedandthedisplayrevertstothedefaultscreen.

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Buchi Interface I-100 Manuel d'utilisateur Page 27