9.1 Airflow Alarm Installation
Adaptor 2 mounted through
inner lining side wall
AFA 500
Mounted on front
of side post
Front of side post
25mm male thread c/w nut
for fixing into inner side wall
of the Fume Hood
1.41”
2.75”
1.54”
Loosen coupling Insert
hose into coupling.
Tighten coupling
1.24”
It is very important to position the AFA 500 in the correct position to give long term
stable reading of the face velocity. Please read the INSTALLATION NOTES below and
if in doubt contact us for further advice.
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