X-7
Orion Star Series Meter
Thermo Electron Corporation
ISE Technique
ISE Measurement
After calibrating the electrode the meter is ready to start making measurements.
Make sure that the instrument is in measurement mode ( is lit) and that the ISE
is lit. If the is not lit press to return to measurement mode. If the ISE is
not lit, press until the arrow on the left of the display is pointing at the top line.
Then press until the ISE lights. You are now ready to start measuring.
1. Rinse the electrode in deionized water.
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 & the stirrer
control is disabled, then pressing will start the stirrer. The ISE will flash
until the reading is stable. Once the reading is stable you can Log & Print
the measurement by pressing . If the stirrer is on, press to turn off
the stirrer before removing the stirrer from the sample.
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 at the frequency you have specified during setup. It will
automatically Log & Print each measurement. If you are using the benchtop
meter & the stirrer control is enabled, then pressing will start the stirrer.
Pressing again will turn off the stirrer.
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