YSI IQ S ENSOR N ET NitraVis 70x IQ - Manual (Page 31)

NitraVis 70x IQ
Measuring / Operation
4 - 11 ba75950e02 11/2012
Fig. 4-5 Putting the sensor sleeve on the sensor
Carry out the intended sensor check or Zero adjustment directly after
filling the sensor sleeve. If you wait longer, the result of the Sensor
check/ Zero adjustment will be affected.
Carrying out the sensor
check or
Zero adjustment
9. Put the sensor in a horizontal position on a firm and vibration-
free surface. Turn the filling opening of the sensor sleeve
upward (Fig. 4-5).
10. Rinse the measuring chamber with ultrapure water at least 3
times.
11.  For Sensor check (H2O dest.) or Zero adjustment :
Fill the measuring chamber with ultrapure water.
or

For Sensor check (standard) :
Fill the measuring chamber with standard solution (see sec-
tion 6).
12. If there are any air bubbles on the measuring windows remove
them by gently knocking on the sensor sleeve with a bar.
Measuring
chamber
Sensor
sleeve
13. Select the required option with <> and :

Sensor check (H2O dest.)
 Zero adjustment
 Sensor check (standard)
14. Confirm with .
A multipart checklist appears. Use it to check once more
whether all preparations have been completed.