11
5. Filter the contents of the fl ask. Collect the fi ltrate in a beaker.
6. Rinse the electrode with distilled or deionized water to remove impurities.
7. Press the ON/OFF button to turn the TRACER on. Make sure the meter is
in the TDS mode.
8. Immerse the electrode in the fi ltrate. Make sure the tip of the electrode is
completely immersed.
9. Stir the fi ltrate with the electrode to create a homogeneous solution.
10. Gently stir the fi ltrate with the electrode. Read the TDS value of the
fi ltrate from the display.
11. Rinse the electrode in distilled water. Replace the cap.
Storing Readings
1. After the reading is displayed press and hold the
MODE button to store the current reading. The
meter will enter the HOLD mode and HOLD will
be displayed. The storage location number will
be displayed on the lower display followed by the
reading being stored.
2. Press the MODE button to exit the HOLD mode
and return to normal operation.
3. If an attempt is made to store more than 25 readings,
the stored readings will be overwritten starting
with the fi rst reading.
Recalling Stored Readings
NOTE: First ensure that the HOLD symbol is not displayed. If it is, exit the HOLD
function by pressing the MODE button.
1. Press the CAL button and then press the MODE button; the location
number (1 through 25) will briefl y appear and then the value
stored in
that location will appear. The displayed units will fl ash, indicating
that
the storage recall mode is active.
L
1423
72.3
∫F
20
2
2
10
20
15
s
10
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