•
The HOLD function is activated by
keeping pressed the HOLD key.
The measured value is frozen on
the display and the “HOLD” tag
lights up.
OPERATION:
•
The meter is supplied complete with a
9V battery. Slide off the battery compart-
ment cover on the back of the meter
and install the battery while paying at-
tention to its polarity.
M ilw aukee
USER MANUAL
PORTABLE uP-BASED
pH METER
•
•
After measurements, switch the
meter off and store the electrode
with a few drops of storage solu-
tion in the protective cap.
•
Always remove the electrode protective
cap before taking any measurement. If
the electrode has been left dry, soak
the tip (bottom 2.5 cm) in rinse solution
(M10000B) for a few minutes to reacti-
vate it.
MODEL: SM102
Error message on display:
Smart pH Meter
•
Blinking full scale value: reading is
over range;
•
Connect the pH
electrode and the
temperature probe
to the sockets on
the meter’s top.
The temperature
probe can be used
independently to
take temperature
measurements, or
it can be used in
conjunction with
the pH electrode to utilize the meter’s
ATC capability.
•
•
•
“Eb”: battery low voltage indication;
“Ec”: wrong buffer solution;
“Clr”: the calibration data have been
lost and recalibration is needed.
CALIBRATION PROCEDURE:
A) Preparation:
Reference solutions:
1. pH 7.01 (MA 9007)
2. pH 4.01 (MA 9004) for measuring
in the acid range (pH lower than 7)
or pH 10.01 (MA 9010) for measur-
ing in the alkaline range (pH higher
than 7).
•
•
Turn the instrument on by pressing the
ON/OFF key.
Use two beakers for each reference so-
lution. One beaker for rinsing the
electrode, the other for calibration. This
way contamination between solutions
during calibration is minimized.
WARRANTY:
Before taking any mea-
surements, make sure
that the meter has al-
ready been calibrated.
This instrument is warranted from all defects in
materials and manufacturing for a period of two
years from the date of purchase.
The probe is warranted for a period of six months.
B) Procedure:
If during this period the repair or replacement of
parts is required, where the damage is not due to
negligence or erroneous operation by the user, please
return the parts to either distributor or our office and
the repair will be effected free of change.
•
Immerse the tip (2.5 cm)
of the pH electrode and
the temperature probe
into the sample and stir
gently.
•
Remove the electrode
protective cap and rinse
the tip with some
pH7.01 solution, then
immerse the electrode
and the temperature
probe into a pH7.01
buffer solution.
Note: We reserve the right to modify the design,
construction and appearance of our products without
advance notice.
•
•
Take the pH reading when the hour-
glass symbol stops blinking.
To display the mea-
sured temperature,
press and hold the
°C key.
When the key is released, the display
will return to the pH reading.
•
Press the CAL key
to enter the Cali-
bration mode. The
display flashes
“pH 7.01” and the
hourglass lights up.
M ilw aukee
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