Hach-Lange TITRALAB 840_845 Reference Manual - Manual (Page 111)

Titra Lab ® TitraLab 840 and 845 Reference Manual
Page 111
Iso pH pH at which the electrode potential is no longer temperature
dependant. The Iso pH is an electrode characteristic supplied with
every Radiometer Analytical electrode.
Values are normally between 6.3 and 7.3 pH
Enter in:
Edit Electrode > Calibration parameters menu
Range available:
0.00 to 14.00 pH