12Installation4. Connect the sensor cartridge to the sensor (see 3.3 Sensorassembly on page 13).Important Note: The sensor cartridge only fits correctly in thesensor adapter in one position. Pay attention to the markings on thesensor cartridge and on the sensor adapter(see Figure 8 on page 14).Figure 5 Storage container packaging1 Polishing paper for the chloride electrode 3 Serial number2 Part number 4 Opaque gasket