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20
pH
"Programmed Buffers" Calibration
(Calibration with automatic buffer recognition)
The calibration method is selected in the configuration menu.
Calibration is required to adjust the sensor
pensable for achieving comparable and reproducible measurement
results.
Measurement
CAL
PROG. BUFFERS
CAL 1/2/3
PRESS CAL
pH, mV value,
temperature
mV value blinks until calibration is completed, then successive display of:
CAL DATA
1/2/3 CAL POINTS
ZERO POINT
SLOPE
Then the meter switches to measuring mode.
Please note: To abort calibration, you can press
This will be confirmed by the display message "CAL ABORTED".
Exception: When you have selected "CAL POINTS 1‑2‑3" and the first calibration step
has been completed, the calibration process cannot be stopped any more.
Calibration method, the number of calibration points and
the buffer set have been selected in the configuration
menu.
Dip sensor in 1st/2nd/3rd buffer solution.
It does not matter which buffer solution is taken first.
Depending on the number of calibration points, the
procedure described above for CAL 1/2/3 is repeated.
pH Calibration
to the meter. It is indis‑
at any time.
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