Transmitter 9135 - pH/redox measurement
Page 60
Electrode cleaning
Electrodes which are mechanically undamaged,
without any broken part, may be regenerated
according to the instructions below :
Salt deposits: Dissolve the deposit by immersing the
electrode in 0.1 M from HCL during 5 minutes,
following by an immersion of 5 minutes in a 0.1 M of
NaOH and rinse abundantly with demineralised water.
Grease/Oil : Clean the electrode bulb with detergent
and water. Rinse the extremity of the electrode with
demineralised water.
Reference electrode junction clogged : Heat a KCl
solution diluted to 60-80
o
C. Place the clogged part in
the hot solution during 10 minutes. Cool the electrode
in a cold KCL solution.
If these advice do not ensure a normal response time,
change the electrode.
Maintenance
No particular maintenance required. Clean the
instrument with a soft tissue and without any
aggressive agent.
Error messages
Note :
In manual acquittal, to suppress an error message
press ENTER after correcting the default.
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