Honeywell XNX - 3 Calibration; 3�1 Gas Calibration Menu

XNX Universal Transmitter
Section 3 - Calibration
90
3.1 Gas Calibration Menu
EachofthesensortechnologiessupportedbytheXNX
®

UniversalTransmitterusesuniquecalibrationprocedures�The
descriptionprovidedillustratestheXNXinterfacewiththe
sensor�Thedescriptiondoesnotreplacetheproceduresfound
ineachsensor’soperatingmanual�
TheGasCalibrationmenuisusedforZeroandSpancalibration
aswellasfunctionalgastesting(bumptest)�TheGas
CalibrationmenuisaccessedfromtheMainMenu�
ThistableshowstheGasCalibrationmenuicons:
Symbol Description
GasCalibration
BumpTest
CalibratemAOutput
SoftReset
AlignExcel

✓

Figure 193. Gas Calibration Menu
3.2 Calibration
Warning: DonotusetheXNXUniversalTransmitterinoxygen-enriched
atmospheres.Concentrationsdisplayedwillbeadverselyaffectedbyoxygen
depletion.
Caution:Thecalibrationprocedureshouldbeperformedonlybyqualified
personnel.Takeappropriateprecautionswithcylindersofflammableandtoxic
gases.
Thedefaultcalibrationvaluesforthe“CalibrationRequired”
diagnosticvarybasedonsensortype�Thisvaluecanbe
reprogrammedinaccordancewithsiterequirementstoensure
thehighestlevelofsafety�Correctoperationofeachsensor
shouldbeconrmedbeforeeachusebycalibrationwitha
certiedtestgasofknownconcentrationbeforecommissioning�
SeeSection6-Specicationsforcalibrationgasspecications�
Caution:Recalibrateifthetemperatureoflocalenvironmenthasvariedbymore
than±15°Cfromthetemperatureofcalibration.
Warning: Honeywellrecommendsperiodicbumptests(every30daysor
inaccordancewithcustomersiteprocedures)tothesensortoinsureproper
operationandcompliancewiththefunctionalsafetyratingoftheinstallation.