- 2 6 -
6.1.2 Cleaning
Stopto flow in process line.
①
Be sureto check the pressure inplocess linewhether or notmeasured solution
Caution
overflows.
Ifsolution temperature is high, you must pay attentionofburn.
Caution
Remove the sensor.
②
Checkthe dirt onelectrode inner pole of thesensor .
③
(
)
Select best cleaning method Turnnig protection gardto counterclockwise, it is
Caution
possible to remove.
Checkthe inner dirt of protection guard too.
Caution
Donotdeformprotectionguardsothat cell constantischanged.
Caution
Donotforgettoattachprotectionguardafterwashing.
Caution
emoved the protectionguard
■R
Inner pole
Protectionguard
Condition of the
Washinglotion
Washing method
sensor
Alcohol
Alcoholispermeated gauze etc,wipe the dirt of the
sensor andprotectioncover
In thecase that dirt
Never use organic solvent of paint thinner and
(
)
is little
benzine.
Neutral detergent
Wash it with the sponge that caused the neutral
detergentincluded
Rinse sufficientitwithtapwater.
Cleanser
Attach the cleanser to a soft sponge Lightly
surface is polished with it and after that tap water
withsufficient
In the case that dirt
Please rinseit.
is violent
Oxalic acid
After you dipped it for 5
10 minutes, rinse
〜
sufficient itwithtapwater.