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6. Push Read.
7. Repeat steps
Stir gently. The
4 - 6 until the
display will show
minimum number
"Stabilizing" and a
of calibration
progress bar as
points specified in
the probe
the current
stabilizes in the
method have been
standard. The
collected.
display shows the
buffer that has just
been read and
shows the
temperature
corrected pH
value when the
reading is stable.
Sample measurement
Before measurement:
The probe must have the correct service-life time stamp. Set the date and time in the meter before the probe is attached.
If complete traceability is necessary, enter a sample ID and operator ID before measurement. Refer to the HQd meter
manual for more information.
Regular calibration is required for the best measurement accuracy (refer to
Prepare the probe for use (refer to
4
8. Push Done to
view the
calibration
summary. The
display will not
show Done until
the minimum
number of
calibration points
have been
collected.
Preparation for use
Measurement notes:
•
Data is automatically stored in the data log when Press to Read or Interval is
selected in the Measurement Mode. When Continuous is selected, data will only be
stored when Store is selected.
•
Air bubbles under the sensor tip when submerged can cause slow response or error
in measurement. If bubbles are present, gently shake the probe until bubbles are
removed.
•
If a measurement error occurs, refer to
9. Push Store to
accept the
calibration and go
back to
measurement
mode.
Calibration
on page 2).
Troubleshooting
on page 3).
on page 11.
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