Setting The Ph Corrector Type; Manual Ph Correction Injection; Calibration Of The Ph Measurement - Racer C-11-213030 Notice D'utilisation

2.5. Setting the pH corrector type

• Setting : A[ (acid), bA (basic).
• Default setting : A[.
• Setting the pH corrector type :
a) Press and hold down
b) Press x times on
c) Press on : the flashing message corresponds to the type of pH corrector saved.
d) Select a pH corrector type with the keys
e) Then press on
f) Press on to return to the initial display.

2.6. Manual pH correction injection

→ This function is also used to prime the peristaltic pump.
• Setting the injection time : from 01 to 60 (i.e. from 1 to 60 s, in increments of 1 s),
• Setting the default injection duration : 60.
• To set the injection duration then start the injection :
a) Press and hold down
b) Press on : the default injection time flashes (60 s).
c) Select an injection duration with the keys
d) Press on to validate the duration and start the injection : the injection duration is displayed in real time
(timer countdown).
→ To stop the injection before the elapsed time, press on
e) When the injection has finished, press on

2.7. Calibration of the pH measurement

• Setting : from 6.5 to 7.5, in increments of 0.1.
• To adjust the pH measurement :
a) Press and hold down
b) Press x times on
c) Press on .
d) Select a value with the keys
e) Then press on
f) 2 possibilities :
- The message 0h appears briefly, then the message Ad flashes : the calibration is complete.
- The message Er appears briefly, then the message Ad flashes : the calibration has failed. In this case,
visually check the condition of the pH probe, and then attempt the calibration several times if necessary. If
the adjustment still fails, change the pH probe and carry out a calibration of the pH probe.
g) Press on to return to the initial display.
until the message MA flashes.
or until the message (o flashes.
to confirm : the type of pH corrector selected freezes briefly, then the message (o flashes.
then from1. 1 to 9. 5 (i.e. from 1 min 10 s to 9 min 50 s, in 10 s increments).
until the message MA flashes.
until the message MA flashes.
or until the message Ad flashes.
.
to confirm.
.
.
or
to return to the initial display.
.
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