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Read
7. Repeat steps 4
6. Push
.
- 6 until the
Stir gently. The
minimum number
display will show
of calibration
"Stabilizing" and a
points specified in
progress bar as
the current method
the probe
have been
stabilizes in the
collected.
standard. The
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
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
Measurement procedure:
Done
Store
to
9. Push
accept the
calibration and go
back to
measurement
mode.
Calibration
on page 2).
Troubleshooting
to
on page 3).
on page 10.
DOC022.53.80032
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