There is evidence of high humidity inside the cabinet.

The plywood is developing mould, the metal analyser tops feel clammy.

Paper filters are wet and evidence of moisture gathering in the analyser tubes. The charcoal filter is saturated.

04/08/23 Placed Aqmesh 1921 inside the cabinet to assess how damp it is, and to be able to identify if measures have resolved this.

Removed charcoal filter to dry out contents.

Placed a portable electric dehumidifier inside the cabinet. This is filling up within 3 days.

AQ Mesh graph of cabinet humidity shows a peculiar 5 minute sine wave pattern, with peak of 82% and low of 78%, which may indicate that the aircon or on eof the analysers is causing this humidity.

Further investigation nedeed...