Calibration pH - AG-Select B1
From main screen select OK and press PLUS button
X 3 or until “CAL” is shown
Press OK button to go to 1
st
calibration point pH 7
Place clean pH electrode into the buffer solution,mix slowly and
then wait until display stabilises after around 1 minute. Use the
PLUS and MINUS buttons to trim the reading to pH 7.00
Press OK button to confirm and to go to next calibration point for
either pH 4.00 or 9.00 ensuring that the probe has been cleaned
prior to carrying this out
Proceed as for CAL1 and press OK button when done and press
ESC button to navigate back to start up screen