Hanna Instruments HI 9829 - Manual (Page 52)

52
7.9 ATMOSPHERIC PRESSURE CALIBRATION
Place HI 9829 in a wind-free area and choose “Custom pressure” to perform a
user calibration or “Restore factory calib”.
Note Note Note Note Note “Custom pressure” procedure requires a reference barometer.
Select the “Atm. pressure” from the “Calibration” menu.
• Select the “Custom pressure” option.
• Using the keypad, insert the numeric value that agrees with the reference meter
and then press <Accept> to confirm.
• The stability counter will count down and the message “Ready” and “Confirm”
will be displayed. Press <Confirm> to store the calibration point.
• After confirmation, the following messages are displayed: “Storing” and “Cali-
bration completed”.
• Press <Measure> to return to the measurement screen.
• Press <OK> to return to the “Calibration” menu.
• To restore the factory calibration, select “Restore factory calib.” in the “Pressure
calibration” menu and press <Select>.
• After confirmation, the following messages are displayed “Storing” and “Cali-
bration completed”.
• Press <OK> to return to the “Calibration” menu.
• Press <Measure> to return to the measurement screen.
• To restore the factory calibration, select the corresponding option in the
“Temperature calib.” menu and then press <Select>.