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24
"OvEr"
“Undr”
pH measure mode
a. Temperature < -10.0°C.
[Bring buffer solution to higher
temperature.]
[Replace temperature probe.]
b. No temperature sensor.
[Adjust the manual temperature to
-10~120°C.]
"OvEr"
Temperature
reading
Absolute ORP mV
or relative ORP
Absolute ORP mV > +1999 mV
[Bring solution to a lower ORP
reading]
"Undr"
Temperature
reading
Absolute ORP mV
or relative ORP
Absolute ORP mV < -1999 mV
[Bring solution to a higher ORP
reading]