Hanna Instruments HI 9829 - Manual (Page 52)

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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 to confirm.
• The stability counter will count down and the message “Ready” and “Confirm”
will be displayed. Press to store the calibration point.
• After confirmation, the following messages are displayed: “Storing” and “Cali-
bration completed”.
• Press to return to the measurement screen.
• Press to return to the “Calibration” menu.
• To restore the factory calibration, select “Restore factory calib.” in the “Pressure
calibration” menu and press .• After confirmation, the following messages are displayed “Storing” and “Cali-bration completed”.• Press to return to the “Calibration” menu.
• Press to return to the measurement screen.
• To restore the factory calibration, select the corresponding option in the“Temperature calib.” menu and then press .
• After confirmation, the following messages are displayed “Storing” and “Cali-
bration completed”.
• Press to return to the “Calibration” menu.
• Press to return to the measurement screen.
• To restore the factory calibration, select the corresponding option in the
“Temperature calib.” menu and then press