2 1×/month (or as necessary), Maintenance 6.1.2 1×/month (or as necessary) – Hach-Lange SIGMATAX2 User Manual
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Maintenance
6.1.2
1×/month (or as necessary)
D A N G E R
Potential dangers with contact with chemical/biological substances.
Working with chemical samples, standards and reagents is linked with dangers.
Make yourself familiar with the necessary safety procedures and the correct handling of the
chemicals before the work and read and follow all relevant safety data sheets.
WA R N I N G
Before handling these substances observe all danger notes and safety information printed on the
containers of the original solutions and in the safety data sheet.
Dispose of all consumed solutions in accordance with the national regulations and laws.
Select the type of protective equipment suitable to the concentration and quantity of the
dangerous material being used.
Clean the sampling probe
1. In the [+SERVICEMENU] menu, open the [+INSPECTION] submenu and the
[cleaning probe] menu item.
2. The individual steps are specified here and carried out with the support of the
program (see table).
Display text
Description/action
cleaning probe
Begin the cleaning tasks supported by the program for the sampling probe;
start by pressing F4
cleaning probe
Confirmation prompt; confirm by pressing F4
probe in clean.solution?
Immerse the sampling probe in a bucket containing cleaning solution (rinsing
agent) and confirm by pressing F4
pressure comp.
opening probe cleaning
emptying probe cleaning
filling probe cleaning
closing probe cleaning
The sampling probe is automatically filled with cleaning solution.
was probe shaken?
You can assist the cleaning process mechanically. To do this, simply shake
the probe and confirm by pressing F4
opening probe cleaning
emptying probe cleaning
closing probe cleaning
The sampling probe empties automatically and rinses the removed solids out
into the bucket with the cleaning solution.
probe back in basin?
Immerse the sampling probe again at the sampling location and confirm by
pressing F4
from cleaning to
At this point, it is possible to choose whether SIGMATAX calls up the
[+SERVICEMENU] menu and remains in SERVICE mode, or whether it
switches to operational mode.
Test/maint
Operation
opening probe cleaning
emptying probe cleaning
filling probe cleaning
closing probe cleaning
The program runs through an automatic rinsing function, filling and emptying
the system to remove the residual cleaning solution.
[+SERVICEMENU] or operation
Status after rinsing is completed