Cooper Atkins EnviroTrak Sensorex TX100, Инструкция по установке и эксплуатации, Страница: 6 / 12

6
pH Electrode - Calibration
Periodically, the pH Electrode must be calibrated. This can be done during the
electrode cleaning cycle. Follow the instructions below to calibration the pH probe.
REFER TO SENSOREX MANUAL PAGE 21 IF NEEDED
A. CALIBRATING pH ELECTRODE (7.00pH and 4.01pH):
1) Press and hold <E> to enter
setup
2) Press <E> to start
calibration process
3) The main display will show
the actual pH reading. The
small display will show the
expected buffer (7.00 or
6.86) for the first point.
Use the <UP> and
<DOWN> arrows to select
7.00 . Place the electrode
into the 7.00 buffer
solution.
Press and hold <E> to start
1
st
Calibration
4) When the reading is stable,
Press <E> to save first point
5) Now, the small display will
show the 2
nd
expected buffer
(4.01, 9.18, or 10.00).
Use the <UP> and
<DOWN> arrows to select
4.01 . Place the electrode
into the 4.01 buffer solution.
Press and hold <E> to start
2
nd
Calibration
6) When the reading is stable,
Press <E> to save second
point
7) Press <E> to save second
point and complete
calibration. “CON” will flash
confirming calibration.