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7.7 ATMOSPHERIC PRESSURE CALIBRATION
Place HI 9819X 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.
7.6 TEMPERATURE CALIBRATION
The probe is factory calibrated for temperature readings. The user can perform
a single point temperature calibration or restore factory calibration. This procedure
requires a reference temperature measuring instrument.
• Select “Temperature” from the “Calibration” menu.
• Select “Calibrate temperature”.
• Insert the probe in an isothermal bath with reference instrument and allow the
probe to come to thermal equilibrum.
• Use the keypad to enter the known temperature and then press Accept to
confirm.
• The stability timer 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 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.
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