7.6.3
Cleaning programmes
Interval cleaning
A cleaning operation is started when the
specified interval time to is over. The system
then waits until the interval period is over
again before starting the next cleaning
operation.
t
0
:
Start of the cleaning cycle
t
0
... t
1
Waiting time (3 seconds)
t
1
... t
2
Assembly moves to service position
t
2
... t
3
Pre-rinsing time
t
3
... t
4
Cleanig time
t
4
... t
5
Soak time (only with a retrac. assem.)
t
5
... t
6
Post-rinsing time
t
6
... t
7
Waiting time (3 seconds)
t
7
... t
8
Assembly moves to measuring position
t
8
... t
9
Hold continuation time
Week programme
The cleaning operation is carried out in
exactly the same way as when cleaning at
intervals.
Interval measurement
During the waiting period the electrode is
located outside the medium and is only
moved into measuring position for the
duration of the measuring time. Afterwards,
the electrode is moved back to service
position and is cleaned.
t
0
:
Start of measuring
t
0
... t
1
Assembly moves to meas. position
t
1
... t
2
Hold continuation time
t
2
... t
3
Measuring time
t
3
... t
4
Assembly moves to service position
t
4
... t
5
Pre-rinsing time
t
5
... t
6
Cleanig time
t
6
... t
7
Soak time
t
7
... t
8
Post-rinsing time
t
8
... t
9
Dwell time
Hold
cc
-i
re
in
.c
d
r
Water
Cleaning agent
Holder
t
0
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
Fig. 7.1
Cleaning cycle with
interval cleaning /
week programme
Hold
c
c
-i
m
e
s
s.
cd
r
Water
Cleaning agent
Assembly
t
0
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
Fig. 7.2
Cleaning cycle with
interval measurement
pm152e07.chp
mycom CPM 152
Instrument configuration
Hauser
45