Jenway 3510 - Manual (Page 18)

If a successful calibration has been performed the secondary display will momentarily show CAL
OK. The instrument will then update the display. The display will then show the next part of the
calibration sequence if a 3 point calibration has been selected. If a 2 point calibration only is
required the instrument will return to the main measuring screen.
Rinse the electrode(s) in deionised water.
4. CAL 3 Immerse the electrode(s) in the third buffer solution and allow the instrument to stabilise.
When no change in the least significant display digit is detected over a five second period the
endpoint symbol will be displayed. Press the CAL or STO key.
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If a successful I point calibration has been performed the secondary display will momentarily show
CAL OK. The instrument will then update the display.
Rinse the electrode(s) in deionised water.
Once a successful calibration has been completed the instrument will return to the measuring
mode.
The instrument is then ready to undertake the measurement of unknown solutions. If the tempera-
ture of the unknown solution differs from the buffer, the Set up menu should be used to set the
instrument display to the temperature of the unknown solution.
If the instrument fails a calibration the error message ERROR E) OUTSIDE LIMITS will scroll along
the secondary display. (refer Section 3.8 for details of Error Codes).