... of thin microporous platinum electrodes on both sides (Picture 2). The inner electrode is exposed to the atmosphere, while ... the platinum electrode thus generating the voltage signal (Picture 3). Since the atmosphere side of the electrolyte is exposed ... 3 Picture 4 Oxygen Sensor for CITROENCITRO C2 1.1,1.6,C3 1.1i,1.6,C4 1.6,2.0,C5 2.0,3.0 ... ,C6 3.0,C8 3.0 96359785