NuFlo Barton 202E - Static Pressure Pen Calibration

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3TATIC0RESSURE0EN#ALIBRATION2EFERTOPAGE
4OCALIBRATETHESTATICPRESSUREPENANDASSOCIATEDLINKAGEPROCEEDASFOLLOWS
  !DJUSTTHESTATICRANGEARMANDDRIVEARMATPRECISELYTHESAMEDISTANCE
FROMTHEBACKOFTHECASE
  0LACESTATICDRIVELINKINTHEFOURTHHOLEFROMTHEPENSHAFTOFTHERANGEARM
  !DJUSTSTATICPRESSURELINKAGETOFORMANGLESBETWEENTHEDRIVELINKSEE
ABOVEILLUSTRATIONANDPIVOTPOINTSOFTHEASSOCIATEDLINKAGEASFOLLOWS
A  !PPLYSTATICPRESSURECENTERTHUMBNUTONTHEDRIVEARMAND
ARRANGESTATICLINKAGEASSHOWNONPAGE
B 3ETAANGLEBETWEENDRIVEARMLINK4IGHTENCLAMPBLOCKSCREW
C 6ARYTHELENGTHOFLINKTOGETAANGLEBETWEENRANGEARMANDLINK
D 3LIPTHERANGEARMONPENSHAFTTOONCHART
.OTICE6ERIFYTHATALLLINKAGEISFREE!DJUSTRANGEARMANDDRIVEARM
ATPRECISELYTHESAMEDISTANCEBACKOFTHECASE!DJUSTTHELEVERARMAND
PENZEROADJUSTSCREWSTOTHEIRMIDPOINTSALLMIDSCALELINKAGEANGLES
MUSTBEMEASURED
  2ELEASEPRESSUREANDRESETTHEPENTOZEROINDICATIONUSINGPENZEROADJUST
SCREWFORlNEADJUSTMENTORLESS&ORMAJORADJUSTMENTSMORETHAN
LOOSENRANGEARMLOCKSCREWANDSLIPTHEPENTOZEROONCHARTAND
RETIGHTENLOCKSCREW
.OTE)TMAYBENECESSARYTORAISEORLOWERTHEPIVOTPOINTOFTHEDRIVE
LINKONTHERANGEARMASINSTEP)FCOUNTERCLOCKWISEMOVEMENTOFTHUMB
NUTSTEPDOESNOTINCREASESPANSUFlCIENTLYMOVETHEPIVOTPINUPTO
NEXTPIVOTHOLEIFCLOCKWISEMOVEMENTOFTHETHUMBNUTDOESNOTDECREASE
SPANSUFlCIENTLYMOVEPIVOTPINDOWNTOTHENEXTPIVOTHOLE
  !PPLYPRESSUREANDOBSERVETHEPEN-AKETHENECESSARYADJUSTMENTS
BYTURNINGTHEDRIVEARMTHUMBNUTCOUNTERCLOCKWISEIFTHEPENISSLIGHTLY
UNDERRANGEDANDCLOCKWISEIFTHEPENISSLIGHTLYOVERRANGED2EPEATZERO
ANDADJUSTMENTUNTILCALIBRATIONATTHESETWOPOINTSISACHIEVED
  2EPEATSTEPSANDUNTILFULLSCALECALIBRATIONISOBTAINED
  !PPLYPRESSUREANDOBSERVEPENINDICATION
A  )FPENINDICATESHIGHORLOWADJUSTDRIVELINKTOMAKEACORRECTION
APPROXIMATELYTIMESTHEERRORINTHEDIRECTIONOFTHEERROR
B 2ESETTHEPENTOTHELINEBYSLIPPINGTHEPENSHAFTATTHERANGE
ARMPIVOTPOINT
C 2EPEATTHISSTEPASNECESSARY
  2ELEASEPRESSUREANDRESETTHEPENTOZEROINDICATIONUSINGPENZEROADJUST
SCREWFORPRECISEADJUSTMENT
  2EPEATSTEPSTHROUGHUNTILCALIBRATIONOFZEROLINEARITYANDSPAN
ANDINDICATIONISACHIEVED
 !SSURERANGEARMLOCKSCREWSTHUMBNUTLOCKSCREWANDLINKSCREWSARETIGHT
 2ECONNECTTHE$0LINKANDRANGEARM
 5NLOCKTHERECORDERHUBCLIPANDREMOVETEMPORARYCALIBRATIONCHART
 2EPLACETHECHARTPLATEBYSLIDINGITINTOTHECHARTPLATERETAINERBRACKETSAND
ENGAGINGEACHSIDEINTOTHECHARTPLATELATCHES