Electrode Cleaning; Maintenance; Error Messages - Hach POLYMETRON 8362 User Manual

Transmitter 9135 - pH measurement in pure water

Electrode cleaning

Maintenance

Error messages

Page 62
Electrodes which
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 :
solution diluted to 60-80
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.
No particular maintenance required.
instrument with a soft tissue and without any
aggressive agent.
Note :
In manual acquittal, to suppress an error message
press ENTER after correcting the default.
are mechanically
o
C. Place the clogged part in
undamaged,
a KCl
Heat
Clean the