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Maintenance
209
Checking and cleaning the dilution tube and cell measurement tube
Periodically check the dilution tube and cell measurement tube, and clean them if they are
dirty.
Note
If there is an excessive amount of suspended solids (SS) in the sample water, periodically clean
the dilution tube before the suspended solids are accumulated inside the tube.
When you perform maintenance, be sure to stop the measurement, and then turn the
maintenance switch ON.
Because the tip of the glass tube is thin, be extremely careful not to break it.
Inspection
Check if dirt is accumulated in the dilution tube and cell measurement tube. Also check that
the sample water is measured and discharged appropriately.
Cleaning
1.
Perform the operation below to discharge the sample water from the dilution tube
and cell measurement tube.
2.
When the operation of step 1. is completed, press [POWER] and then follow the
guidance to turn OFF the power.
Target
Measurement section
Procedure
Inspection/cleaning
Cycle/timing (guide)
Depends on usage conditions
[MENU]
Main
Refer to “ To display the [MENU] item screen” (page 62).
[SET]
MAINTENANCE
MENU
MAINTENANCE
[Discharge
[SEPARATE
SEPARATE ACTION 5/5
[
→
]
ACTION]
All]
[POWER]
Main screen
POWER
[SHUTDOWN]
Содержание TPNA-500
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