F-901B Reference Manual
Page
12
of
15
Note: Replace the KMnO4 filter when beads color turns to dark brown. Filter lifetime of >1.5 years can be expected
when setting
Step
6
: remove old C2H4 sensor from connector,
Plug in the new C2H4 sensor then push into socket
push into socket
Step
7
: screw new O2 sensor into socket
then plug in connector
Step
8
: Apply force to both ends, gently
push new Filter tube into connectors
Step
5
: remove short-cutting spring from new C2H4 sensor.
(the spring keeps sensor from sensitivity/baseline
drift during storage. Save it later for your old sensor)