Tab. 16: Possible values of adjustable variables
Adjustable variable Lower value Upper value Increment
Max. flow in m
3
/h
0000.1 9999.9 0000.1
Mass concentration in % 000.01 100.00 000.01
Mass density in kg/l 0.50 2.00 0.01
11.2.6 Calibrate
‘Menu / Information
è
Settings
è
Calibrate
è
...’
Calibration - precision
Normally the pump does not have to be calibrated.
However, the pump should be calibrated for pre‐
cise metering.
With individual pumps in the product range, the
capacity can systematically deviate by -5% to
+10% from the specified capacity. A reproducibility
of ±2% from the specified capacity remains as a
deviation after calibration.
Calibration influences the menu
In ‘Auto’ - ‘off’ dosing mode: Some menus only
appear if the pump has been calibrated.
If you already know what calibration factor is needed for the pump
to achieve the desired accuracy, go to
‘Calibrate’
-
‘Calibr. factor’
and enter the appropriate calibration factor as a %.
If you do not know which calibration factor you need, use this cali‐
bration procedure.
WARNING!
If the feed chemical is hazardous, take appropriate
safety precautions when performing the following
calibration instructions. Observe the material safety
data sheet for the feed chemical!
Please only calibrate using the suction hose – as
shown here.
Calibrate using Calibr. factor
Calibrating using a calibration proce‐
dure
Set up /
‘Menu’
67
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