14
The calibration buffers in calibrating order.
The first pH calibration buffer:
The second pH calibration buffer:
The third pH calibration buffer:
Note:
The OLd message displayed beside the pH value means that
this buffer was not used during last calibration. Press and hold
down
SET/CLR
if you want to see calibration date (or time if old
calibration was made in the same day with current calibration).
If no bUF message appears on the LCD, the instruments inform
you that calibration was performed in less than three points.
pH resolution during calibration.
Calibration Alarm Time-Out status:
if disabled.
or the number of days until the calibration alarm will be displayed.
or if expired (7 days ago).
CAL
pH
BUF
CAL
pH
BUF
CAL
BUF
CAL
INTV
CAL
CAL
pH
BUF
All manuals and user guides at all-guides.com