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7. Calibration
It is important that the pump is calibrated after
installation to ensure that the correct value (ml/h or
l/h) appears in the display.
The calibration can be carried out in two different
ways:
1
Pos. Description
1
The pump performs 100 dosing strokes
2
Operating display
Set value.
3
See section Check calibration
4
Operating display without changes
Related information
7.1 Direct calibration
7.2 Check calibration
7.1 Direct calibration
Before calibration, make sure that:
•
the pump is installed with foot valve, injection
valve, etc. in the existing system.
•
the pump is running at the counter pressure it is
supposed to operate at (adjust the counter
pressure valve, if required).
•
the pump is operating with the correct suction lift.
To carry out a direct calibration, proceed as follows:
1. Prime the dosing head and the suction tubing.
2. Stop the pump. The green LED is flashing.
3. Fill a graduated glass with dosing liquid, Q
DME 60: approx. 1.5 l
34
•
•
2
4. Read and note the quantity Q
5. Place the suction tubing in the graduated glass.
6. Go to the calibration menu, see section Menu.
7. Press the
8. The pump is performing 100 dosing strokes.
9. The factory-calibration value appears in the
10. Remove the suction tubing from the graduated
.
1
Direct calibration. The dosed quantity of 100
strokes is measured directly. See section Direct
calibration.
Check calibration. See section
Check calibration.
3
2
DME 150: approx. 2.5 l
DME 375: approx. 6 l
DME 940: approx. 14 l
Q
1
button twice.
display.
glass and read Q
.
2
4
.
1
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