Sartorius arium mini plus - Cleaning and Maintenance; Cleaning the Display; Cleaning the Device Housing

62 Operating Instructions arium
®
mini plus | arium
®
mini
Operation
7.3.4 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. Using the determined difference, the flow rate sensor is set to the actual
volume of one half liter.
Procedure
t Tap the menu item [V
olume 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 [w] 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.
Tip
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.
t Determine the weight of the sample volume.
t Determine the value of the sample volume in liters using the weight.
t Enter the value into the device in liters.
t To enter the actual volume dispensed:
− Tap the [t] button.
− 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.
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Volume adjustment
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Water dispense
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Water volume
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