26
CALIBRA
TION
• Press
Confirm
to accept the calibration point.
• Press
OK
to return to the
Calibration
menu.
• Press
Measure
to return to the measurement screen.
RESTORING FACTORY CALIBRATION
When a new EC probe is being used some of the warning messages are based on the previous
calibration. Restoring factory calibration will delete the user calibration and restore the factory default
calibration. Use the
/
keys to highlight
Restore factory calib
. and then press
Select
.
8.4. TEMPERATURE CALIBRATION
The probe is factory calibrated for temperature readings. The user can perform a single point
temperature calibration or restore factory calibration.
This procedure requires a reference temperature measuring instrument.
From the
Calibration
menu, use the
/
keys to highlight
Temperature
and then press
Select
.
• Insert the probe in an isothermal bath with reference instrument and allow the probe to come to
thermal equilibrium.
• Use the alphanumeric keypad to enter the known temperature and then press
Accept
to confirm.
• The stability timer will count down and the message “Ready” and
Confirm
will be displayed.
• Press
Confirm
to store the calibration point.
• After confirmation, the following messages are displayed “Storing” and “Calibration completed”.
• Press
OK
to return to the
Calibration
menu.
• Press
Measure
to return to the measurement screen.