PureAire Air Check Lite, Instruction Manual

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PureAire Monitoring Systems, Inc.
5/25/07
16
6. Place a new silicone sheet (if used) and O-ring on the sensor. Make sure that
the area is dry of electrolyte.
Silicon Sheet
O-ring
7. Apply a drop of electrolyte on the sensing electrode.
Enlarged View
Drop of
Electrolyte
Sensing
Electrode
8. Place a new membrane on the sensor, with the bead of electrolyte between
the electrode and the membrane.
Enlarged
View
Mmebrane
Electrolyte
Bead
Sensing
Electrode
Mmebrane

NOTE : Do not touch membrane with bare fingers. Oil from your fingers may
adversely affect performance.
9. Place the retainer ring over the membrane and then place the box nut over the
retainer ring. Turn box nut clockwise until hand tight; continue tightening
until the box nut can no longer be moved by hand.

CAUTION : Sensor cell
response will be affected if box nut is too loose.
Membrane
Membrane