4. Calibration and Check
29
DA-650/-645/-640
6
Check ‘OK’ or ‘Failed’
Check OK
You will see the display as shown on the
right when check has been OK.
In this case, no calibration is necessary.
Move to #7 below.
Check Failed
You will see the display as shown on the
right when check has been failed.
In this case, calibration is required.
Go to step 4-1 for calibration.
7
Clean the cell (rinse 2)
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.
8
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.
Hint
For quick cell cleaning: when rinsing the cell, suck air and
water alternately by detaching sampling tube from water at
intervals.
Drying tube
Sampling tube
Put in.
Содержание DA-640
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