Universal oxygen sensor for measuring/regulating the oxygen input in sewage treatment plants, connectable to EcoLine® and QuadroLine® converters. Scope of delivery with accessory box (ZBK 600) contains: 2 change membrane heads (WP 600/2), 50 ml electrolyte solution (ELY/A), 50 ml cleaning solution, 1x cathode cleaner (SF 300), with integrated temperature sensor (NTC), 15 m cable and waterproof plugMeer tonenMinder tonen