TIGER Select Instrument User Manual V3.2
Unrivalled Gas Detect
ion.
Page 63 of 73
ionscience.com
The problem can be resolved by replacing the electrode stack.
Removing the MiniPID 2 Sensor
Protect the MiniPID 2 Sensor from exposure to silicone vapours as this may foul
the windows of the Lamps and reduce response to some gases. This can usually
be remedied by polishing the Lamp window with alumina powder.
Do not remove the MiniPID 2 Sensor Cover in the hazardous area.
Before Lamp cleaning or replacement, the the MiniPID 2 Sensor must be removed.
First ensure that the TIGER Select is turned off and that you are in a clean environment so that the
sensor parts will not be contaminated by dust, oil or grease.
On the Sensor Cover loosen the centre
screw turning it with a small coin or a
suitable flat bladed screwdriver and
remove the Sensor Cover.
Ensure that the Sensor Seal, on the inside
of the Sensor Cover is not disturbed.
Carefully lift the MiniPID 2 Sensor from the Instrument Body, ensuring that the two Inlet/Outlet
Seals remain in place in the Instrument Body.
Using the Mini PID Electrode Stack
Removal Tool provided, locate its
‘prongs’ in the slots in the sid
e of the
Mini PID 2 Sensor body:
Using the forefinger to restrain the white
Electrode Stack (the internal parts of the
MiniPID 2 Sensor are spring-loaded),
squeeze the Removal Tool to release the
Electrode Stack.
At this point the
