Hanna Instruments HI 84502 - Manual (Page 17)

17
pH CALIBRATION MESSAGES
pH calibration mode.
When the reading has stabilized press Confirm to
accept the calibration or Clear to restore the default
calibration.
The “Wrong Buffer” message is displayed when the
pH value is outside of the acceptable range. Clean the
electrode by following the Cleaning Procedure and/or
check the buffer concentration before continuing the
pH calibration.
Press the
ESC key to exit pH calibration mode.
TITRATION MESSAGES
This screen is displayed when the instrument is in
titration mode. Press
Start to begin a titration, Meter
to enter pH meter mode or Prime to enter into the
prime function.
The titration result, expressed as concentration of
tartaric acid in g/L (ppt), is displayed automatically
at the end of the titration. Press
Restart to start another
titration or ESC to return to the main screen.
This error message appears when the input reading
(pH or temperature) exceeds the input limits. If the
pH or temperature values are blinking they are out
of range.