LaMotte Tracer ORP Meter - Manual (Page 7)

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
1. 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.
2. Press the MODE/HOLD
button to return to normal
operation.
3. Repeat step 1 to store the next
reading.
4. If an attempt is made to store
more than 15 readings, the
stored readings (starting with
the first 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 flash. If the CAL mode is accidentally accessed
(display flashing), press the CAL/RECALL button again to exit.
2. The last stored reading taken will be displayed first. To advance
through the stored readings, press the MODE/HOLD button. The
location number is displayed first, followed by the reading stored in
that location.
3. To exit the recall mode, press the CAL/RECALL button and the
TRACER will return to normal operation.
If the batteries are removed, any stored readings will be discarded.
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