Replacing the ph probe, Obe, see, Replacing the ph – Bio-Rad ChromLab™ Software User Manual
Page 220: The section, For information about installing a
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| Maintaining the Instrument
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| NGC Chromatography Systems and ChromLab Software
To remove lipophilic organic contaminants
Immerse the electrode in an organic solvent or a liquid detergent, for example
Bio-Rad cleaning concentrate, catalog #161-0722
2% Contrad, catalog #176-4118
Replacing the pH Probe
The replacement pH probe is packaged in storage solution to protect it during
shipping.
To replace the pH probe
1.
On the touch screen, select Shut Down on the dropdown menu to exit
ChromLab and shut down the NGC instrument.
2.
Loosen the nut on the DNS cable and disconnect it from the DNS connector on
the front of the pH module.
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