Maintenance - Hach MET ONE 3400 Série Manuel D'utilisation De Base

1. On the counter Navigation screen, push PRINTER.
2. On the Print Center screen, select the print option for the data.
3. The data will begin to print.
• To cancel the print job, push CANCEL PRINT.
• To return to Counter Navigation, push RETURN.
Set automatic print functions
Note: If the sample period is very brief and the hold time is zero, some sample data may be skipped.
1. On the Counter Navigation screen, push PRINTER.
2. On the Print Center screen, select the Sample Print Mode field. Select an option for automatic
printing.
Option Description
None No data will print automatically
Alarms Prints results when a count alarm is exceeded
Cycles Prints the results of the first count cycle and multiples of the programmed count cycle
All Prints results after each count cycle is finished
3. Push ENTER to confirm.

Maintenance

Multiple hazards. Do not disassemble the instrument for maintenance or service. If the internal components must
be cleaned or repaired, contact the manufacturer.
Personal injury hazard. Only qualified personnel should conduct the tasks described in this section of the manual.
Clean the instrument exterior
The instrument exterior can be cleaned as needed. To avoid human exposure to potentially
dangerous chemicals, make sure to clean the touchscreen immediately after contact with chemicals.
Do not leave visible moisture on the instrument or touchscreen. Moisture can penetrate the touchscreen and
damage electronics inside.
1. Put the cap on the sample air intake nozzle.
2. Spray a mild cleaning solution on a soft cloth. Wipe the outside of the instrument carefully.
3. Use a soft, dry cloth to wipe the touchscreen surface. If needed, moisten the soft cloth with a mild
cleaning solution.
Set the count to zero
Do this procedure after unexpectedly high particle counts. This procedure will verify that the particle
counter works correctly and will remove residual particles.
1. Put the zero-count filter on the intake tube. Refer to
2. Turn on the unit and log in if needed.
3. Push SAMPLE.
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W A R N I N G
C A U T I O N
N O T I C E
Figure 1 on page 8.