Racer C-11-213030 Notice D'utilisation page 12

1) Turn off the filtration (and therefore the electronics unit).
2) Open the 2 sachets of "pH 7 and pH 10 calibration solutions" (use only single-use calibration solutions).
3) If the probe is already installed :
a) Remove the probe from the probe holder, without disconnecting it.
b) Remove the probe holder nut and replace it with the stopper supplied.
If the probe is not already installed :
Connect the probe to the electronics unit.
4) Turn on the electronics unit.
5) Press and hold down
6) Press x times on
7) Then press on
8) Insert the probe into the pH 7 calibration solution, then wait a few minutes.
9) Press on : the display below appears.
~~ --
Do not touch the probe during this time, and wait until you get one of the displays shown below.
10) 2 possibilities :
• The message10 flashes. In this case, go to step 11.
• The message Er appears : the calibration has failed. To dismiss this display, press on
In this case, visually check the condition of the probe, and then attempt the calibration several times if
necessary. If the calibration still fails, change the probe and recalibrate.
11) Insert the probe into the pH 10 calibration solution, then wait a few minutes.
12) Press on : the display below appears.
~~ --
Do not touch the probe during this time, and wait until you get one of the displays shown below.
13) 2 possibilities :
• The message 0h appears briefly, then the message (A flashes. The calibration is complete.
• The message Er appears : the calibration has failed. In this case, visually check the condition of the probe,
and then attempt the calibration several times if necessary. If the calibration still fails, change the probe and
recalibrate.
→ To dismiss these displays, press on
I
The pH 7 and pH 10 calibration solutions are single use. To avoid any handling error, discard these sachets
after use.
until the message MA flashes.
or until the message (A flashes.
to confirm : the message 7. 0 flashes.
åå -- ~~
åå -- ~~
7. 0
. . 1 0.
.
.
5