ABL5 - Electrodes 1 RED SYSTEM ABL5 - Electrodes Ref, pH, pCO 2, pO 2

ABL5 - Electrodes 2 RED SYSTEM Color-coded blue Lifetime: at least 1½ years, and most probably longer Membrane can´t be changed Conditioning time: 25 hours Measuring principle: pH-sensitive glass membrane Electrical contact Color coded ring Electrode jacket (not removable) Membrane pH Electrode (G707)

ABL5 - Electrodes 3 RED SYSTEM pCO 2 Electrode (E808) Color-coded green Lifetime: at least 1½ years, and most probably longer Membrane lifetime: at least 1 month Conditioning time: 25 hours Measuring principle: CO 2 permeable membrane, inner pH electrode Electrical contact Color coded ring Electrode jacket (removable) Membrane E808 Electrolyte Solution)

ABL5 - Electrodes 4 RED SYSTEM pO 2 Electrode (E909) Color-coded red Lifetime: at least 2 years, and most probably longer Membrane lifetime: at least 1 month Conditioning time: 1 hour Measuring principle: O 2 permeable membrane, Reduction of O 2 Electrical contact Color coded ring Electrode jacket (removable) Membrane E909 Electrolyte Solution)

ABL5 - Electrodes 5 RED SYSTEM Electrical contact Electrode jacket (removable) Membrane Reference Electrode E115 White Lifetime: at least 1½ years, and most probably longer Membrane lifetime: at least 1 month Provides a stable, fixed potential for measurement of pH Electrolyte Solution)

ABL5 - Electrodes 6 RED SYSTEM E115 - pH electrode chain Ref. electrodepH electrode Electrolyte sol. Voltmeter