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10.6 Maintenance of zirconia O
2
sensor
Sensor temperature
800
OXYGEN ANALYZER
POWER
ON
OFF
1234567
Power SW Fuse 3A Terminal
Front view Side view
Sample inlet
(Rc 1/4)
Outlet (Rc 1/4)
AG 0V
+ –
ALM
(1) Appearance of zirconia O
2
sensor
(2) Routine maintenance
No parts require periodic maintenance. In case sensor temperature is 800±5°C or the SO
2
concentration in
sample gas is high, you should check occasionally that the outlet pipe is not clogged by the precipitation of
crystal. Because the sample outlet is at a high temperature, attention should be paid not to suffer a burn.
10.7 Others, major component figures
19
2-Ø4.5
mounting holes
31
34 5
Approx. 25 (when fully open)
(16)(38)38
146
114
ø18
ø18
3816
Rc1/4
Rc1/4
Ø20 panel cutout
Gas intlet
Gas outlet
Up
Mounting direction