Thermo Electron Corporation
XI-1
Orion Star Series Meter
Chapter XI
mV and ORP Technique
Definition of Terms and Concepts
• mV is a raw input reading and therefore does not have a user calibration .
• The Orion Star Series meter can measure the absolute millivolts from pH, ISE,
or ORP sensors .
Relative mV and ORP (E
H
) Calibration
Note:
Auto-Calibration for ORP requires an Orion ORP electrode and Orion ORP
calibration standards (Cat. Nos. 967901 and 967961).
s
1 . Prepare the electrode and standard for use according to the electrode User
Guide or Instructions Manual received with the electrode .
2 . Press
until the arrow icon is pointing to the
pH/RmV
measurement line .
3 . Press
/
until
RmV
is lit .
4 . Press
.
5 . Rinse the electrode and place into the ORP standard .
6 . Wait for the
RmV
to stop flashing . When the
RmV
stop flashing the meter
will display the temperature – corrected mV value as compared to the Standard
Hydrogen Electrode (SHE or NHE) for the Orion ORP standard .
7 . Press
to save the calibration .
Содержание Orion Star
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