NEW BRUNSWICK SCIENTIFIC BioFlo 110 Manual To Operations page 109

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If, after applying an Output Multiplier of 25%, you find the results are attenuated
but the controller seems unable to maintain the setpoint, increase the Multiplier by
small increments until the controller is able to maintain setpoint.
To set the Multiplier:
1. In the pH Loop Details screen, press the Setup selector button. The pH Setup
screen opens:
B
pH 6.53 pH
i
o
F
Deadband: 0.20
l
Output Multiplier: 100.00
o
1
1
Advanced Control
0
P-Gain: 140.00
I-Gain: 14.00
2. Press the Multiplier selector button. A highlighted text box opens:
B
pH 6.53 pH
i
o
F
l
Output Multiplier: 100.00
o
1
1
Advanced Control
0
3. Using the touchpad, enter the desired Multiplier value (note that you can set
this percentage to the hundredths):
BioFlo 110 Modular Fermentor M1273-0054
Deadband: 0.20
P-Gain: 140.00
I-Gain: 14.00
Defaults
Deadband
Multiplier
P Gain
I Gain
Defaults
Deadband
Multiplier
P Gain
I Gain
User's Guide