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Chapter 3
Meter Setup Menus
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50
Orion Star A320 Series Portable Meter User Manual
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Temperature Input
When using the Orion Star A326 pH/RDO/DO meter or Orion Star A329
pH/ISE/conductivity/RDO/DO meter, a dissolved oxygen sensor with built-in temperature can be
set as the temperature input source for all measurements. For example, when using a pH
electrode without an ATC probe, the dissolved oxygen sensor with built-in temperature can be
used as the temperature source for pH measurements, as long as both the pH electrode and
dissolved oxygen sensor are placed in the same solution.
1. In the measurement mode, press the setup key.
2. Press the p, q, t or u key to highlight pH Channel, pH/ISE Channel or COND Channel
and press the f3 (select) key.
3. Press the p or q key to highlight Temperature and press the f3 (select) key.
4. Press the p or q key to highlight Temperature Input and press the f3 (select) key.
5. Press the p or q key to highlight ATC, DO Probe or Manual and press the f3 (select) key.
6. Press the measure (esc) key to return to the measurement mode.
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