Measurement; Taking Measurements; Holding A Reading - LaMotte pH 5 PLUS Manual

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4. Press the INC key until the displays shows the desired
temperature. The value can be set from 0 to 100 °C.
5. To cancel or abort this operation, press the CAL key. To conÞ rm
the calibration, press the ENTER key. A new value will be
stored in the meter non-volatile memory. The DISPLAY will
display CO momentarily, and the meter will revert to the
measurement mode.

4. MEASUREMENT

4.1 Taking Measurements

1. Before measurement, rinse the pH probe and temperature probe
with clean water to remove any impurities.
2. Power on the meter using the ON/OFF key. Press the MODE
key to select the desired mode of operation (pH or Temperature).
3. Dip the probes in the aqueous test sample. Stir gently with the
probes and wait for the reading to stabilize. Note the reading.
Freeze the displayed if desired for details refer to Section 4.2

Holding a Reading.

4. Rinse the probes with clean water before taking the next reading
or storing the meter.
4.2 Holding a Reading
To freeze or hold the displayed reading, press the HOLD key once. The
DISPLAY will display the HO annunciator to indicate the HOLD
function is activated.
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