Hanna Instruments HI 84500 - Manual (Page 15)

15
The calibration was outside the acceptable limits.
Prepare a new standard and try again.
This error message appears when the input reading
(mV) exceeds the input limits (
± 2000.0 mV).
This screen is displayed when the instrument is in
titration mode. Press
Start to begin a titration, Meter
to enter ORP meter mode or Prime to enter into the
prime function.
TITRATION MESSAGES
The titration result, expressed as the concentration of
sulfur dioxide in ppm (mg/L), is displayed
automatically at the end of the titration. Press
Restart
to start another titration or ESC to return to the main
screen.
This screen appears when the stirrer is not working
properly. Check the stir bar and beaker content.
Press
Restart to try again.
This error message appears when the pump is not
working properly. Check the tubing, valve and
syringe. Press
Restart to try again.