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The LCD will show "Err5" to indicate that the electrode is now
ready for slope calibration.
• Immerse the pH electrode and the probe into
pH4.01 or 10.01 solution.
The LCD will show the corresponding buffer value
at the working temperature.
•
••
•• Wait approximately 30 seconds, and then press
the CON key to confirm the calibration.
The printer will confirm the calibration process
is complete
The calibration is now complete.
4 cm
(1½
")
HI 7004
ºC
pH
ºC
pH
°C
°C
Calibration com-
pleted
CON