continuous basis.
CAUTION: Do not store instrument or its sensors with solvents or
products that contain solvents.
CAUTION: Except for sensor and battery replacement
designed to be intrinsically safe for use in areas classified as
hazardous locations. For your safety,
DO NOT
use it in hazardous
(classified) locations.
CAUTION: Do not use flammable or combustible substances (like
carburetor fluid used for cleaning the probe) near an open flame.
When the instrument is used in an inefficient oil-fueled
appliance where there is a high emission of soot, the probe’s
sample filter may become clogged. Before every use check the
filter to confirm it is clean or replace it with a new filter.
To prevent soot intake and a clogged filter, a smoke test should be
performed before operating under such conditions. This ensures
that the furnace or boiler is burning at a level appropriate for the
use of this instrument.
When the CO
2
level exceeds the allowable threshold, a warning
will prompt the user to consider performing a smoke test. This
screen is cleared by pressing the ENTER button. Once the warning
is cleared, it will not be displayed again for that particular test. If a
new test is started (by pressing the HOLD button), the warning will
be displayed again if the limit has been exceeded.
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