User Manual

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11.4.3 PV Calibration
Adjust the HART transmitter’s PV LRV and URV to get the coherence
between the standard source range and digital analog output (AO). To
performthePVCalibrationoperat ion,proceedasfollows:
1. IntheHARTdiagnosticand serviceinterface,choose PVCalibration
fromlist,thenpressEnterorSelecttoshow
thePVCalibrationSetting
Interface(Figure11.9).
2. IntheSettingInterface,youcansetthesensortypeandtherangeof
thetransmitter.Ifthedeviceisapressuretransmitter,thepressure
modulehastobeconnectedtothecalibratorandpressurecontroller
such as hand pump is also available for
 this application. Note: the
UUT’sinputpressureunitshouldmatchthepreviousUnit.Theunitof
pressurewillbeautomaticallyselectedbythecalibrator.
3. Press Enter or Done to view the PV CalibrationProcess interface
(Figure 11.10). Note that the calibrator will judge whether these
inputvaluesareavailableforthetransmitter
beforestartingthePV
CalibrationProcess.
4. The PV calibration process allows you to calibrate the Lower (0%)
andUpper(100%)RangeValues(LRVandURV)havebeenpreviously
setinPVCalibrationSettinginterface.LocatedatthetopofthePVCalibrationinterfaceis theerrorsummarytable
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Figure11.10HARTPVCalibrationProcess