Electronics Unit; Interface; Switching On And Off; Setting The Ph Setpoint - Racer C-11-213030 Notice D'utilisation

2. ELECTRONICS UNIT

2.1. Interface

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2.2. Switching on and off

Press and hold .
→ When switching on, an LED chaser is displayed for a few seconds, then the pH measurement is displayed.
The pH regulation starts automatically.

2.3. Setting the pH setpoint

• Setting : from 6.8 to 7.6, in increments of 0.1.
• Default setting : 7.2.
• To set the pH setpoint :
a) Press and hold down
b) Press x times on
c) Press on : the flashing value is the saved setpoint.
d) Select a value with the keys
e) Then press on
f) Press on to return to the initial display.

2.4. Calibrating the pH probe

→ The original pH probe is already calibrated. It is therefore not
necessary to carry out calibration of the pH probe when putting
the equipment into service for the first time.
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However, in order to ensure optimal pH regulation, it is
essential to carry out a calibration of the pH probe as soon as
the equipment is put into service, and after each replacement of
the probe.
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until the message MA flashes.
or until the message SE flashes.
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to confirm : the selected value freezes briefly, then the message SE flashes.
1 : Control keys
2 : Red LED
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If lit continuously : electronics unit powered off.
If flashing : alarm AL activated.
3 : Screen
Default display : pH measurement.
4 : Green LED
If lit continuously : electronics unit in operation.
If flashing : peristaltic pump on.
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