Settings | Dulcodes |
7.5 | Set | |
Settings for programmable functions (SET menu) | ||
The following programmable function settings menus appear in all operating modes:
• Calibrate (CALIB menu)
• Auxiliary frequency (AUX menu)
• Flow (FLOW menu, available only if flow monitor is connected)
7.5.1 Settings for ÒcalibrationÓ function (CALIB menu)
P | P Calib | P Calib |
P
Calib
N
Set
Continuous display
L
P
L
P
The S2Ca can also run in calibration mode. The corresponding continuous displays show the current dosing quantities or the feed rate.
The calibration is retained in the event of a change of the set stroke length by up to ±10 scale rates percent (if the stroke length is set to 40 % the range is 30 % to 50 %). If the stroke length is changed by more than ±10 scale rates percent the yellow warning light lights up, the perma- nent display flashes and the flashing “Calib” indicator appears.
NOTE
¥Do not go below 30 % stroke length (SEK type: 50 %). This will significantly affect accuracy of calibration.
¥Calibration becomes increasingly accurate the more strokes made by the S2Ca during calibration (recommended: at least 200 strokes).
WARNING
If using a hazardous feed chemical, the following setting instructions ensure adequate safety precautions are taken!
Calibration Insert the suction tube into a measuring cylinder containing the feed chemical - the discharge tubing must also be correctly installed (operating pressure,…!)
Suck up the feed chemical (press both arrow keys at the same time) when the suction tube is empty
Note the liquid level in the measuring cylinder and the stroke length
Select the CALIB menu and go the first menu option using the P key
Select “ON” using an arrow key and change to the next menu option using the P key
To commence calibration, press the P key. The S2Ca starts to pump and displays the number of strokes (“STOP” appears at regular intervals)
After a sufficient number of strokes, stop the S2Ca with the P key
Calculate the dosed quantity (difference between the original quantity and the quantity remaining)
Enter this quantity in the next menu option and then change to the following menu option by pressing the P key.
Select the unit (“L” or “gal”) in the “UNIT” menu with an arrow key and push the
The S2Ca is calibrated.
The corresponding continuous displays show the calibrated values.
The total stroke number and total litres are set during calibration to “0”.
The S2Ca is in the STOP status.
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