Ph Measurement - Thermo Scientific Orion Star Serie Manual De Uso

pH Technique

pH Measurement

1 . Rinse the electrode in deionized water . Shake off any excess water and blot dry
with lint-free tissue .
2 . Place the electrode in your sample .
a . If you are in continuous measurement mode, the instrument will start
measuring immediately . If you are using the benchtop meter and the stirrer
control is disabled, then pressing
until the reading is stable . Once the reading is stable you can log and print
the measurement by pressing
the stirrer before removing the stirrer from the sample .
b . If you are in AUTO-READ™ mode then press
Once the reading is stable the meter will automatically log and print the
results and freeze the display . If the stirrer is enabled then the stirrer will
turn on when
c . If you are in timed measurement mode then the meter will start making
measurements at the frequency you have specified during setup . It
will automatically log and print each measurement . If you are using the
benchtop meter and the stirrer control is enabled, then pressing
start the stirrer . Pressing
3 . Remove the electrode from the sample and rinse with deionized water, shake or
blot dry, then place it in your next sample and repeat step 2 .
4 . Once you are finished measuring samples, rinse the electrode with deionized
water and blot dry . Then consult your electrode manual for proper electrode
storage instructions .
EN-28
. If the stirrer is on, press
is pressed and turn off once the reading has stabilized .
again will turn off the stirrer .
will start the stirrer . The pH will flash
to start the measurement .
Thermo Scientific Orion Star
to turn off
will
Series Meter
™