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pH MEASUREMENT
The
HI 84532
can be used as a pH meter for direct measurements.
Verify that the instrument has been calibrated before taking pH measurements. Set the
instrument to
pH meter
. From titrator mode press
Meter
until pH units are displayed.
If an electrode calibration hasn’t been performed, or the number of days exceeds the calibration
time out value set, the message
“CAL DUE”
will blink on the left side of the display (see
Calibration timeout
option in
Setup
for details).
If
CAL DUE
is displayed perform an electrode calibration.
Press
MENU
to access the instrument’s menu.
Press
HELP
to view the contextual help whenever time you need additional information.
Press
STIR
to start/stop the stirrer.
Press
Titrator
to enter titration mode.
Press
CAL
to access the calibration menu.
Press
LOG
to save the current reading. A message indicating the free log space will be displayed
for a few seconds.
If a calibration hasn’t been performed, the message
“Not Calibrated”
will be displayed.
Press
Pump
to view the
pump’s last calibration
time, date and slope.
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