Universal O2 sensor with SensCheck for the measurement/regulation of O2-input in sewage treatment plants, connectable to Eco, Quadro and TecnoLine-converter 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