Hach-Lange NH4D sc Ammonium Sensor - Manual (Page 30)

30
Maintenance
5. Insert the new sensor cartridge in the sensor adapter. Pay
attention to the triangular marking on the cartridge and on the
sensor.
Important Note: The sensor cartridge only fits correctly in the
sensor adapter in one position. Pay attention to the markings on the
sensor cartridge and on the sensor adapter.
6. Attach the locking ring over the sensor head and hand-tighten.
Note: Use the cap of the storage container as a tool/screwing aid for
the locking ring.
7. Enter the new sensor code (see certificate).
Figure 12 Replace the sensor cartridge
1 Locking ring 4 Sensor adapter
2 Sensor cartridge 5 Sensor housing
3 Markings 6 Opaque gasket