TIGER Instrument User Manual V3.10
Unrivalled Gas Detection. Page 62 of 72 ionscience.com
Carefully remove the Lamp:
• If the Lamp is held in the Electrode Stack, carefully pull it out of the O-ring around the well in
the underside of the Electrode Stack.
• If the Lamp is sitting in the sensor body - the Lamp can be gripped and lifted out or the
sensor body can be inverted and the Lamp tipped out.
Discard the removed (old) Lamp.
At this point the MiniPID Electrode Stack can be replaced.
Replacing the MiniPID Electrode Stack
At this point the MiniPID Electrode Stack can be replaced.
1 Electrode Stack
2 O-ring
3 Lamp
4 Spring
5 Sensor Body
Discard the removed (old) Electrode Stack, carefully removing the Lamp if still attached.
Visually check the condition of the Lamp detection window (the upper flat surface of the Lamp). If
this needs cleaning, proceed as detailed later.
Place the Electrode Stack onto a clean, flat surface, flat surface downwards. Carefully twist the
detection window end of the Lamp into the O-ring around the well in the underside of the Electrode
Stack. The Lamp window should now sit flush within the Electrode Stack.
This procedure ensures that the Lamp is firmly held in the Electrode Stack with
the detection window level with the electrodes for consistent and reliable VOC
readings. Lamp placement by any other means is likely to give unreliable readings
because the O-ring in the Electrode Stack becomes trapped between the window
face and the Electrode Stack.
Carefully align the MiniPID 2 Sensor body over the Electrode Stack plus Lamp. Push the sensor body
down to secure the assembly - two clicks should be heard.
Carefully align/push the new MiniPID 2 Sensor into the Instrument Body.
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