A-96.250.211 / 171121
AMI Sodium P
Maintenance
62
6.3. Maintenance of Sodium Electrode
Sodium electrodes are sensitive electrochemical devices with very
high internal impedance. To maintain correct operation, make sure
that
the sensing glass bulb stays clean
no air bubbles are trapped between glass bulb and glass tube
the electrical connectors stay absolutely clean and dry.
Remove
the sodium
electrode
1
Unscrew and remove the sensor plug [A].
Prevent the connector from getting wet.
2
Put on the connector cap [B] onto the sensor.
3
Completely unscrew the union screw [C] from the threaded hole.
4
Remove the electrode together with the union screw, washer and
O-ring from the measuring cell.
5
Slip the O-ring carefully over the measuring bulb and remove
both nut and washer.
A
B
C
D
E
Sensor plug
Connector cap
Union screw
Washer
O-ring
A
B
D
C
E
