27
6.2 Indirect calibration
A value from the following table is to be added to the
default factory calibration value in the display. To re-
set the pump to the factory calibration value, activate
the “DEFAULT” function, see section
4.17
.
To use the values, the following must be fulfilled:
• The viscosity and density of the liquid to be dosed
must not differ considerably from water at 20°C.
• A GRUNDFOS installation kit or corresponding
foot valve, injection valve and hose diameter must
be used.
• The length of the dosing hose must not exceed
6 metres.
• The suction lift must lie between 0.1 and 1.5 me-
tres.
Adding the value:
Fig. 25
Pump type
Values to be added to the calibration value at various counter pressures [bar]
0-1 1-2 2-3 3-4 4-5 5-6 6-8 8-10 10-12 12-14 14-16 16-18
DME 2 1.4 1.1 0.8 0.5 0.2 -0.2 -0.6 -1.2 -1.8 -2.4 -3.0 -3.6
DME 8 3.5 2.7 2.0 1.2 0.4 -0.4 -1.6 -3.1 - - - -
DME 12 2.1 1.3 0.4 -0.4 -1.3 -2.1 -3.4 - - - - -
DME 19 18.3 12.2 6.1 0 -6.1 -12.2 -21.4 - - - - -
DME 48 24.38.3-8.3---------
Operating display
without changes
Operating display
Set value
to table value
+ display value
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