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Maintenance
NOTE
!
CAUTION
50
Maintenance
Required maintenance measures
Regular maintenance is necessary to ensure trouble-free
operation of the instrument!
Please regularly carry out the maintenance work described in the
following section when
the programmed maintenance date has been reached (display
"maintenance interval exceeded")
the instrument displays the following error messages:
"Mf. dirtiness" or "Low Reagent low level"
the last maintenance was carried out max. 6 months ago
Cleaning measures
Unsuitable cleaning agents can cause material damage and
malfunctioning.
Never use organic solvents to clean the measuring chamber or
other plastic parts!
In the event of using highly corrosive or other toxic agents, please
refer to the safety precautions specified on the Material Safety
Data Sheet and/or Controlled Product Regulations.
If the measuring range of the instrument is exceeded over a longer
period of time, a colored film may form on the sight-glass windows.
Use isopropanol to remove this sticky film.
Description of maintenance work
The "maintenance manual for Testomat 2000
contains a detailed description of maintenance work. The measures
described here provide a brief overview.
Cleaning the measuring chamber and sight-glass windows
Switch off the instrument or press the "STANDBY". If required,
remove any water from the measuring chamber:
Close the manually-operated valve of the branch line to Testomat
®
2000
.
Unhook the toggle type fastener
upwards and remove it.
Release both sight-glass window holders
sight-glass windows.
Use isopropanol to remove the film on the sight-glass windows. If
the instrument has been used with hard water for a longer period
of time (measuring range exceeded!), a hard-to-remove film may
have formed on the sight-glass windows. In this case, clean the
®
, tip the measuring chamber
®
"
/Testomat ECO
, remove and clean the
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