Hanna Instruments HI9829 - ATMOSPHERIC PRESSURE CALIBRATION

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Place HI9829 in a wind‑free area and choose “Custom pressure” to perform a user calibration or
“Restore factory calib”.
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 “Calibration
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>.
ATMOSPHERIC PRESSURE CALIBRATION