Bio-Rad ChromLab™ Software - Manual (Page 155)

Recommended Maintenance Schedule
Instrument Guide | 153
Yearly
Sample pump seals and
check valve Replace the seals and check valves using
the pump head maintenance kit.
System pump seals and
check valve Replace the seals and check valve using the
pump head maintenance kit.
Post-inject valve tubing Replace all tubing.
Inline filter Replace if installed.
Bottle filter Replace or clean if installed.
pH electrode Replace yearly or earlier if necessary.
Check the values for slope and offset. Start
ChromLab software and select Tools >
Calibrate and choose pH from the dropdown
list. Complete the calibration steps in the
dialog box. Replace the pH probe if
necessary.
Store the pH electrode in storage solution
when not in use. See Table
15 for
recommended storage solutions.
Tip: See Storing the pH Electrode on
page 217 for information about storing
the electrode.
Table 14. NGC instrument maintenance schedule, continued
Interval Component Action