CTX 70692 Manuel D'installation page 9

Paragraph 2 – Proportional dosing for the pH measurement (factory default)
Programming
EM00136493
The pump measures and controls the pH value of a solution, by
programming the following
proportional band and alarm band.
Set-point type: acid
s/m
max
flow-rate
Pump Off
0
Alarm Band
Set-point type: alkaline
s/m
Proportional
max
flow-rate
0
Alarm Band
Can also be programmed:
- The O.F.A. (Over Feed Alarm) time in minutes, a set period of time after
which, if the measured pH does not reach the set-point, an alarm signal
is activated.
- The resolution of the measurement (1 or 2 digits)
- Activation / deactivation of the calibration procedure
- Manual temperature value in °C (default) or °F
The maximum frequency can be changed during the operation by
pressing +
Display during operation
rev. 1.0 EN
Operation
parameters:
Proportional
Band
Alarm Band
Band
Pump Off
Alarm Band
simultaneously.
set-point, set-point type,
pH
14
pH
14
7