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3.5 Presettable Batch Controller (Option):
In connection with the optional switching output which can be used to actuate a pump and/ or
valves the flow-meter can be used as Presettable Batch Controller.
After selecting the mode the display shows
The lower numerical display shows the last selected value.
With the keys
Starting the pump is done with
Reaching the given quantity the pump is switched off. (Display
With
the pump can be switched on/ off.
4 Calibration
4.1 Calibration Mode
The calibration mode is selected by pressing and holding down
The symbol
appears.
CAL
In the calibration mode
other than water. The range 1
4.2 Field calibration
To calibrate the flow-meter for other liquids the following steps have to be done:
For starting calibration procedure select the calibration mode:
1. Select
Range 2 3
Pump a known volume of liquid through the flow-meter (e.g. 20 litres). Make sure that the
2.
selected flow rate is within the flow-meters specification.
The upper display shows the volume that is measured with the selected calibration factor.
Seite 5/8
and
the value can be incremented or decremented in steps of 0,5 L.
The function is indicated with the symbol
.
the flow-meter can be calibrated in the ranges
CAL
is fixed to water like liquids and cannot be changed..
Range 1
or
. Switch to the calibration mode (s. 4.1).
4
Operation manual DR15
and
.
Preset
OFF
Rev 1.7e
ON
).
OFF
and pressing
Range 2 3 4
.
.
to liquids
16.10.06
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