NAWA TR26 - Measuring pH value and temperature

Version 13 – 01/2019 11
 Extract the pH meter from the buffer solution (5).
 Briefly insert the probe (4) into the water-filled test tube (1)
and then carefully dab the probe tip with the sterile gauze.
 The display now shows „CAL pH=7 start?“.
 Dip the pH meter into the buffer solution (5) pH 7,00.
 Confirm by tapping the touch button.
 The display shows „CAL pH=7 started“.
 Wait for the beep at the end of the second calibration step.
 Extract the pH meter from the buffer solution (5).
 Briefly insert the probe (4) into the water-filled test tube (1)
and then carefully dab the probe tip with the sterile gauze.
 „CAL pH=10 start?“ is now shown on the display.
 Dip the pH meter into the buffer solution pH 10,00.
 Confirm by tapping the touch button.
 The display shows „CAL pH=10 started“.
 Wait for the beep and the display of „CAL complete“ at the
end of the calibration.
 Extract the pH meter from the buffer solution (5).
 Briefly insert the probe (4) into the water-filled test tube (1)
and then carefully dab the probe tip with the sterile gauze.