BANTE900P PORTABLE MULTIPARAMETER WATER QUALITY METER
15
pH CALIBRATION WITH THE USER-DEFINED BUFFERS:
3.1
Make sure that you have selected “USER” option in the
setup menu.
3.2 Rinse the pH electrode with distilled water. Dip the electrode into the custom buffer solution. Stir the sensor gently. The meter
shows the current measured value.
3.3 Press
or
key to increase or decrease displayed value, press ENTER key to confirm.
“Calibration” indicator begin
s flashing.
3.4 Wait for the measured value to stabilize, the display shows
“CAL2”
. The meter prompts you to continue with second point
calibration.
3.5 Rinse the pH electrode with distilled water. Dip the electrode into the next custom buffer solution.
3.6 Press
or
key to increase or decrease displayed value, press ENTER key to confirm.
“Calibration” indicator
begins flashing.
3.7 Wait for the measured value to stabilize, the display shows
“END”
. The meter automatically returns to measurement mode.
Calibration is completed.
■
During the calibration process, if you want to exit the calibration mode, press MEAS key, the meter will return to measurement mode
immediately.
■
Electrode indicator will show average slope of the pH electrode after calibration. When the electrode or calibration result does not meet
measurement requirements, the indicator will disappear on the display.