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16
7.4 Guidelines on How to Measure Ozone
The following information is presented to help users operate their
Aeroqual Ozone
Controller
in the most effective and efficient
manner.
General
•
Ozone is heavier than air and tends to sink. Thus detection
of leaks from ozone generating equipment should be
performed at the most appropriate position.
•
Ozone will react and decompose on surfaces such as walls,
furniture etc.
•
Smell is not a reliable test for the presence or concentration
of ozone as the odour threshold varies widely between
people and is affected by local ambient conditions.
Permanent Controller Placement
•
The
Aeroqual Ozone Controller
has been designed to
measure the ambient concentration of ozone. The controller
must not be placed directly in an ozone stream.
•
For indoor local area monitoring attach the controller to an
inert surface such with the inlet unobstructed.
•
For leak detection mount the unit near the ozone equipment.
•
Ensure that the controller is protected from excessive water
splashing, dust, vibration, excessive heat or cold, high
concentrations of ozone and excessive swings in humidity.
False Readings
•
The Aeroqual Ozone Controller has been designed to
respond selectively to ozone, however other oxidizing gases
such as chlorine and nitrogen dioxide can generate false
readings if they are at high concentrations. High
concentrations of hydrocarbon gases such as vapours of
alcohol, oils and solvents can reduce and mask the
concentration of ozone.
•
Ozone will react with and decompose on organic
substances.
The presence of human beings may reduce the
local ozone concentration.
NOTES
