3.0 Calibration cont.
3.0 Calibration cont.
To calibrate the pH
Clean pH probe tip.
See Section 8.0 (the pH probe does not require
cleaning before the rst use).
pH 7.0 calibration
a) Turn pH meter on. Rinse pH probe tip in fresh
water, shake off excess water and place in a
pH 7.0 calibration solution. Long press until
display ashes. Leave probe in solution
while the display is ashing. If Calibration is
successful pH7 will be displayed.
The pH4 indicator will now ash indicating pH 4.0
or pH 10.0 calibration is now required.
b) If Err appears during the calibration process see
Section 11.0.
d) The combo meter must be calibrated to two
points. If after an hour the combo meter has not
been calibrated with a second calibration point
the calibration indicators disappear and the
combo meter reverts to an uncalibrated state.
Calibration is required.
pH 4.0 / 10.0 calibration
a) Rinse the pH probe tip in fresh water, shake
off excess water and place the pH probe tip in
either pH 4.0 or pH 10.0 calibration solution.
b) Long press until display ashes. Leave probe
in solution while the display is ashing. If
Calibration is successful pH 4.0 or pH 10.0 will
be displayed.
pH 7 / pH 4 is displayed
or pH 7 / pH 10 is displayed
c) The combo meter is now calibrated and ready
for use.
d) After 30 days, the calibration indicators
disappear to let you know calibration is required.
Store the pH probe
Add enough Bluelab pH Probe KCl Storage Solution
into the probe storage cap to fully submerge the pH
probe tip. Place storage cap on probe.
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