19
6.2 Indirect calibration
A value from the following table is to be added to the
default factory calibration value in the display. To
reset the pump to the factory calibration value, acti-
vate the “DEFAULT” function, see section 4.7.
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. 11
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
DMS 2 1.4 1.1 0.8 0.5 0.2 -0.2 -0.6 -1.2 -1.8
DMS 4 2.2 1.6 1.0 0.3 -0.3 -1.0 -1.9 -3.2 -
DMS 8 2.0 1.2 0.4 -0.4 -1.2 -2.0 - - -
DMS 12 1.3 0.4 -0.4 -1.3 - - - - -
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