Metrohm 949 - Ph Measurement

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5 Operation
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NOTE
The ADJUST VALUE message prompts the user to adjust the
value.
The WAIT FOR STABILITY message appears on the display and the
symbol flashes.
5
As soon as the symbol appears again, confirm the 2nd calibra-
tion point with the button.
The measured value will flash on the display and briefly after that,
the slope.
Next to the symbol, the symbol will appear with the color
code of the 2nd buffer.
After completing the 2rd calibration point, the 949 pH Meter automat-
ically returns to measuring mode.
￭ For a 1-point calibration, press the button after completing the 1st
calibration point.
NOTE
If manual temperature measurement is used, then update the temp-
erature value before calibrating the 949 pH Meter (see chapter 5.3,
page 18).
5.5.5 pH measurement
Measuring the pH value
1
In measuring mode, press the button repeatedly until
appears at the top left of the display.
2
Plug the electrode into the pH/mV connection socket.