Sartorius H2O-MA-UV-T - Performing Volume Adjustment

52 Operating Instructions arium
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mini plus | arium
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mini | arium
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mini essential
Operation
7.7 Performing Volume Adjustment
To dispense the most accurate amount of ultrapure water, the flow rate sensor of
the device can be readjusted.
For this purpose, a sample volume of approximately one half liter is dispensed. The
actual volume of the extracted sample volume is measured and transmitted to the
device. This sample volume is used as a reference for the volume dispense function.
Procedure
t Tap the menu item [Volume adjustment].
y The dialog box “Volume adjustment” appears.
t Place a graduated measuring cup or graduated cylinder with a capacity of at
least 1 liter under the water outlet.
t Tap the [START] button.
y The dialog box “Water dispense” appears. Dispensing progress is displayed as a
percentage.
y When 100% is reached, dispensing will stop automatically.
y The dialog box “Water volume” appears.
Use the Weight of the Sample Volume to Determine the Volume
If no graduated measuring cup or graduated cylinder is available, the weight of the
sample volume can be used as an alternative for determination of the actual volume.
Procedure
t Determine the weight of the sample volume.
t Convert the weight of the sample volume into a liter value.
t Enter the value into the device in liters.
t To enter the actual volume dispensed:
t Tap the [t] button.
t Read and enter the value for the sample volume in liters.
y The dialog box “Adjustment finished” appears.
t Confirm the procedure with the [l] button.
1
m
Volume adjustment
Place a suitable vessel (1l) under
the dispensing unit.
w
m
Water dispense
60 %
1
m
Water volume
Enter the volume of water in the vessel.
1
l
Adjustment nished
Volume adjustment nished successfully.