Hach TU5400 User Instructions page 13

Section 5 Operation
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the
personal protective equipment appropriate to the chemicals that are handled. Refer to
the current safety data sheets (MSDS/SDS) for safety protocols.
5.1 Set the automatic cleaning options
After the automatic cleaning module is installed, set the cleaning options.
1. Push menu.
2. Select SENSOR SETUP>[select analyzer]>CONFIGURE>CLEANING MODULE.
3. Select ON.
The menu options for the automatic cleaning module are shown on the display.
4. Select SENSOR SETUP>[select analyzer]>CONFIGURE>CLEANING.
5. Select an option.
Option
CLEAN.
INTERVAL
WIPER
REMINDER
CLEAN. LEVEL
THRESHOLD
OUTPUT DELAY
SOFT VERSION
W A R N I N G
Description
Sets the cleaning interval. Options: 2, 6 or 12 hours (default) or 1 or
7 days. The frequency of the cleaning interval selected depends on the
sample composition.
Note: To manually start a cleaning cycle, select SENSOR SETUP>[select
analyzer]>START WIPE.
When set to on, the reminder for wiper replacement shows on the display
when it is time to replace the wiper (default: OFF).
When set to on, a cleaning cycle is done when the reading is more than
the THRESHOLD setting (default: OFF).
When set to off, a cleaning cycle is done at the time frequency of the
cleaning interval.
Sets the threshold for a cleaning cycle. Options: 0 to 1000 NTU (or FNU).
Note: This menu option only shows when the CLEAN. LEVEL setting is set to on.
Use caution when the threshold is set. High turbidity levels may be the
result of critical process issues where immediate attention is necessary.
Sets the time for the hold condition of the output after the cleaning cycle.
Options: 0 to 120 seconds (default: 30 seconds).
Shows the software version of the cleaning module
English 13