XI-3
Orion Star Series Meter
Thermo Electron Corporation
mV and ORP Technique
b. If you are in AUTO-READ mode then press to start the measurement.
Once the reading is stable the meter will automatically Log & Print the
results and freeze the display. If the stirrer is enabled then the stirrer will
turn on when is pressed and turn off once the reading has stabilized.
c. If you are in timed measurement mode then the meter will start making
measurements as soon as it goes into measurement mode at the frequency
set in setup. It will automatically Log & Print each measurement. If you are
using the benchtop meter & the stirrer control is disabled then pressing
will start the stirrer. Pressing again will turn off the stirrer.
3. Remove the electrode from the sample and rinse with deionized water, then
place it in your next sample and repeat step 2.
4. Once you have finished measuring samples, rinse the electrode with deionized
water and blot dry. Then consult your electrode manual for proper electrode
storage instructions.
Relative mV & ORP (E
H
) Measurement
After calibrating the electrode the meter is ready to start making measurements.
Make sure that the instrument is in measurement mode (the is lit) and that the
Rel mV is lit. If the is not lit press to return to measurement mode. If the
Rel mV is not lit, press the until the arrow on the left of the display is pointing
at the top line. Then press / until the Rel mV lights. You are now ready to
start measuring.
1. Rinse the electrode in deionized water.
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