Orp Measurement; Storing Readings; Recalling Stored Readings - LaMotte ORP PockeTester Tracer Manual

ORP Measurement

1. Press the ON/OFF button to turn the meter on. Place the electrode ½" to
1" into the test sample .
2. Stir once and let the reading stabilize for 1 to 3 minutes. The main display
will indicate the ORP in numeric units from 0 to 1000mV. The bar graph
will also display the ORP value. As the ORP increases, the bar graph will
move from left to right.
3. Press the ON/OFF button to turn the meter off. Rinse the electrode with
distilled water. Replace cap.

Storing Readings

4. After the reading is made press the MODE/HOLD button to store the
current reading. The HOLD icon will be displayed. The storage location
number will also be displayed followed by the reading being stored.
5. Press the MODE/HOLD
button to return to normal
operation.
6. Repeat step 1 to store the
next reading.
7. If an attempt is made to store
more than 15 readings, the
stored readings (starting
with the f rst reading) will be
overwritten.

Recalling Stored Readings

NOTE: First ensure that the HOLD symbol is not displayed. If it is, exit the
HOLD function by pressing the MODE/HOLD button.
1. Press the CAL/RECALL button once and then press the MODE button
immediately after CAL is displayed; the location number (1 through 15)
will f ash. If the CAL mode is accidentally accessed (display f ashing),
press the CAL/RECALL button again to exit.
2. The last stored reading taken will be displayed f rst. To advance through
the stored readings, press the MODE/HOLD button. The location number
is displayed f rst, followed by the reading stored in that location.
3. To exit the recall mode, press the CAL/RECALL button and the TRAC-
ER will return to normal operation.
4. If the batteries are removed, any stored readings will be discarded.
4
7
500
mv
144
1000
0
HOLD