Hach Ultra POLYMETRON 9210, Operator'S Manual

Page: 79 / 116

Page 73
SILKOSTAT 9210
Tube cleaning
Cleaning procedure of the reagent tubings in case of deposit.
Use a beaker with 250 ml of demineralised water and a beaker
with 100 ml of 10% ammoniac, about 3%. Immerse the tubing R1
in an ammoniac solution.
Press « OK » to launch the cleaning and « esc » to stop the
procedure and to come back to the preceding menu.
Follow the instructions and press « OK » at each step
The procedure is the following :
•
Rinse the tube with demineralised water.
•
Clean with a 10% ammonia solution.
•
Rinse again the tube with demineralised water.
During these stages :
In special cases you must clean the reagents tubes. Follow the
procedure to clean the tubes with demineralised water and a 10%
ammonia solution (NH4-OH) and rinse with demineralised water.
During the cleaning the sample runs into the cell with the mixer
running.
TUBES CLEANING
Put pumps tubes
In demineralised water
Accept with OK..
OK
Esc
TUBES CLEANING
Put pumps tubes
in demineralised water
Accept with OK
OK
Esc