Calibrating The Analyzer - ABB Navigator 550 Manual

5
Fitting the dissolved oxygen sensor
Caution.
Only install the oxygen sensor immediately before use

The sensor has a limited shelf life, do not store longer than 6 months.

Store the sensor in a cool environment.
Referring to Fig. 5:
1. Remove the top from the dissolved oxygen sensor container.
2. Unscrew the protective cap from the rear of the dissolved oxygen sensor (take care not to damage the delicate membrane on the
oxygen sensor face).
A
3
3. Fit O-ring ( / in. ID) onto the connector body
4
C
4. Fit sensor onto connector body
C
sensor .
E
5. Slide thrust washer
G
7
6. Fit O-ring ( / in. ID) onto the sensor (at the flowcell end), then insert the complete assembly into flowcell
8
7. Secure the sensor assembly by screwing clamping screw
.
Do not overtighten
8. Ensure the mating surfaces of the (red) sensor connector
connect the sensor connector
Fig. 5 Fitting the dissolved oxygen sensor
6

Calibrating the analyzer

Caution. Do not attempt to calibrate the analyzer until the wet-section and transmitter are fully installed and ready for operation.
Perform a calibration via the Calibration Level or Advanced Level transmitter menus – refer to CI/AWT540-EN.
CI/ADS550–EN Rev. D
B
B
ensuring the pins and sockets are engaged correctly and tighten connector nut
B
over connector body .
I
to the connector block connector
Red sensor connector –
see item
.
.
H
into the flowcell firmly – use finger-pressure only.
I
and connector block connection
J
firmly and tighten
7
O-ring / in.ID
8
3
O-ring / in. ID
4
(above)
F
.
J
are clean and completely dry, then
clockwise.
1 turn
D
onto the
7