A DS 4 20
| D I SS O LV ED OX YG EN SEN S O R | O I/A DS 4 2 0 - EN R E V. B
13
5 Maintenance
Cleaning the SmartCap
1
Remove the sensor from the process.
Referring to Figure 3:
2
Unscrew the shroud
A
from the sensor body
B
.
3
Rinse SmartCap
C
with clean water from a spray bottle.
4
Gently wipe SmartCap
C
with a soft-bristled brush or, if
biofouling is present, a soft cloth.
If necessary, use a grease remover to remove grease.
5
Refit shroud
A
by screwing it onto the sensor body
B
.
C
A
B
Figure 3 Cleaning the SmartCap
Cleaning the lens
1
Isolate the transmitter and remove the sensor from the
process.
Referring to Figure 4:
2
Unscrew the shroud
A
from the sensor body
B
.
3
Grip the SmartCap
C
between your thumb and forefinger
and carefully slide it off the sensor
D
.
NOTICE
• Do not touch the end of the SmartCap
C
.
• Do not allow moisture or atmospheric humidity inside
SmartCap
C
.
• Do not wet the lens area
E
with water or any solution.
Use only the supplied lens cloth for cleaning.
4
Gently wipe the lens
E
with a lens cloth (not supplied).
5
Refit the shroud
A
by screwing it securely onto the sensor
body
B
.
C
B
A
D
E
Figure 4 Cleaning the optical lens