5. Measurement
31
DA-650/-645/-640
5. Measurement
Sample measurement.
5-1. Normal measurement
Measurement with sampling pump for low-viscosity samples or samples that
hardly generate air bubbles. Very convenient measurement: no need to
prepare a syringe; easy to clean and dry the measurement cell.
1
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.
Hint
For quick cell cleaning: when rinsing the cell, suck air and
water alternately by detaching sampling tube from water at
intervals.
2
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
Insert
Summary of Contents for DA-640
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