4. Calibration and Check
27
DA-650/-645/-640
4-2. Check/Calibration
Check equipment to see if anything may be wrong with it.
We recommend that you check your equipment prior to everyday when
there is no need for daily calibration (or when you do not wish).
Check is easy and simple. Just follow the instructions of the Navigator.
1
Select
Check/Calibration.
z
Press “Check/Calibration”.
z
Press “Next”.
A message of “Dry the cell”
will appear.
<When no “Check” button>
“MENU”
Æ
”Check/Calibration”
Æ
“Check/Calibration Setup”
Æ
“Calibration Setup”. Then,
turn ON “Check Before Calib”.
2
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
operation.
Hint
For quick cell cleaning: when rinsing the cell, suck air and
water alternately by detaching sampling tube from water at
intervals.
Содержание DA-640
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