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
Содержание DA-640
Страница 2: ......