4. Calibration and Check
26
8
Clean the cell (rinse 2)
z
Press “PUMP” to start to drain, and wait
until water is depleted from the cell.
z
Make sure sample/drain lever is on
“Drain.”
z
Wipe off tip of sampling tube with waste
cloth.
z
Put the tube in rinse 2 (ethanol or
acetone).
z
Press “PUMP” to clean the cell with rinse
2. (for about 10 sec)
z
Once completed, press “PUMP” to stop
pump operation.
Hint
For quick cell cleaning: when rinsing the cell, suck air and
water alternately by detaching sampling tube from water at
intervals.
9
Dry the cell
z
Wipe off sampling tube with waste
cloth and put it in drying tube.
z
Press “PURGE” twice.
A message of “Auto drying” will appear,
and equipment starts to dry the cell.
Once completed, equipment beeps and
pump stops running.
Drying tube
Sampling tube
Put in.
Summary of Contents for DA-640
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