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5 FUNCTION
5.4
Auto Washing
If the windows of the measurement part of the turbidity and color sensors get dirty or form air
bubbles on them, the correct values will not be measured. Auto washing is a function to
regularly remove dirt and air bubbles from the measurement cell with a wiper so that
measurements remain accurate.
Note
To perform auto washing, the EXT I/O IN setting to OFF. For details, see "5.2.1 Setting EXT I/O IN"
(page 79).
The following are available for auto washing.
Setting
ON/OFF: AUTO WASHING
（5.4.1, page 85）
WASHING INTERVAL
（5.4.2, page 85）
STANDARD TIME
（5.4.3, page 86）
WIPING TIME
（5.4.4, page 86）
Displaying the AUTO WASHING SETTING screen
MEAS. screen
See " Displaying the maintenance item screen" (page 77).
1. Press [WASHING] on the SETTING 1/2 screen.
The AUTO WASHING SETTING screen is displayed.
84
Turns auto washing ON or OFF
Set the interval to perform auto washing.
Set the time to start auto-washing. Starts the first auto washing at
the set time, and washing is subsequently performed at the interval
specified.
Set the number of times to wipe the window per wash.
[MAINTE.]
MAINTENANCE screen
[AUTO WASHING SETTING]
Explanation
[SETTING]
SETTING1/2 screen
Initial Setting
ON
60 minutes
2004/01/01/00:30
1 time
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