Cleaning Before Planned Service; Periodic Maintenance; Cleaning The Conductivity Cell - GE pH/C-900 Operating Instructions Manual

6 Maintenance

6.1 Cleaning before planned service

6.1 Cleaning before planned service
Cleaning before planned
maintenance/service
To ensure the protection and safety of service personnel, all equipment and work areas
must be clean and free of any hazardous contaminants before a Service Engineer starts
maintenance work.
Please complete the checklist in the On Site Service Health and Safety Declaration Form
or the Health and Safety Declaration Form for Product Return or Servicing, depending on
whether the instrument is going to be serviced on site or returned for service, respectively.
Copy the form you need from Section 8.3 Health and Safety Declaration Form, on page 70
or print it from the PDF file available on the User Documentation CD.
6.2

Periodic maintenance

Interval
Every 6 month or more of-
ten if required
When required
6.3

Cleaning the conductivity cell

56
Action
Change pH electrode
•
Check that the power cord is whole and undamaged.
•
It shall be replaced if any sign of damage is detect-
ed.
Clean the conductivity cell
•
Clean the pH electrode
•
WARNING
Corrosive substance. NaOH is corrosive and therefore dangerous
to health. When using hazardous chemicals, avoid spillage and
wear protective glasses and other suitable Personal Protective
Equipment (PPE).
Monitor pH/C-900 Operating Instructions 29-0549-25 AB