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Thermo Scientific Orion Star A329 Portable pH/ISE/Conductivity/RDO/DO Meter Reference Guide
ORP Calibration
The mV reading of an ORP standard is dependent on the ORP electrode reference system, reference material and
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automatic calibration to the E
H
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different temperatures.
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according to the instructions in the electrode use guide. Connect the electrode and any other electrodes to be
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Note: In most calibration screens, press
f1 (esc)
to return to the measurement mode without saving the calibration.
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f1 (cal)
. In dual and multi channel measurement displays, press
or
to highlight
pH/ISE – Channel
and press
f2 (select
).
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and place into the standard.
3. When the electrode and standard are ready, press
f3 (start)
.
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stabilizing
or solid
ready
icon, and
press
f2 (accept)
once the value is stable.
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log. Press
f1 (meas)
to proceed to the measurement mode or press
f2 (print)
to proceed to the measurement
mode and export the data to a printer or computer.
