O2k-pH ISE-Module

pH electrodes for pH measurement

Product ID: 12400-02

O2k-pH ISE-Module: two pH electrodes and reference electrodes and accessories, supported by the Oroboros O2k for measurement of pH. The pH electrodes yield a potentiometric (voltage) signal simultaneously with the oxygen signal in both chambers of the O2k.

Compatible with NextGen-O2k-Series XA/O2k-Series D and higher. For O2k-Series B and C please contact us.

Additional information

Quality control

Stability of Oroboros pH electrodes is tested for drift <15 µpH·s-1·mL-1


Please consider the limited lifetime of the pH electrode before placing your order


The O2k-pH ISE-Module includes:

2 pH glass electrodes
2 Reference electrodes, 2.4mm Ø glass shaft
2 Replacement barrels for reference electrodes
2 Stopper\black PEEK\conical Shaft\central+2.3+2.6 mm Port; including Volume-Calibration Ring (A or B) and 2 mounted O-rings (O-ring\Viton®\12.5×1 mm)
2 Boxes O-ring\Viton®\12.5×1 mm, 8/box
1 TIP2k-Needle Safety Support with cable guide
1 ElectrolyteReference-Electrode
1 ISE-Service Box for storage and shipment

Included extras

Packing, handling, worldwide shipping
Remote support from Oroboros experts
3-year warranty (except for pH-sensors due to limited lifetime of the glass membrane)

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Bioblast resources

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• O2k-pH ISE Module

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