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(b) FYRITE Fluid Strength
To check fluid strength.
NOTE: When repeating procedures as outlined in Section 3.0
Steps 7 through 9 (absorbing and reading percent O
absorbing and reading percent CO
FYRITE to atmosphere for next sample, if the reading in-
creases by more than 1/2 percent for either CO
the fluid.
It is often desirable to check fluid strength before taking the FYRITE to a location
where it will be used. It can be tested on sample atmospheric air (which contains
20.9% O
). Be certain to wet Filter Saturator when checking atmospheric air for
2
maximum accuracy. (See Section 6.9)
O
(Oxygen) Fluid - Fresh FYRITE fluid will absorb all O
2
samples containing 10% O
CO
(Carbon Dioxide) Fluid - Fresh FYRITE Fluid will absorb all CO
2
approximately 350 samples containing 10% CO
(c) FYRITE Sampling Assembly - Always check sampling assembly for proper
(leak-free) operation as outlined in Section 6.7 before proceeding with test.
(d) Make certain wool in Filter Saturator Tube is moistened with water if using
either O
or CO
2
is not fully saturated with water vapor. Examples where filter-saturator must
be wetted include measuring CO
samples. Refer to Section 6.9 when replacing or moistening saturator (wool)
filter is required.
FYRITE OPERATION PRECAUTION: To prevent fluid
spill, never depress Plunger Valve to vent FYRITE when unit
is in the inverted or any other non-upright position. When
depressing Plunger Valve in the upright position to vent
FYRITE, hold at a slight angle away from the operator's face.
2.2 FYRITE FLUID HANDLING PRECAUTIONS
FYRITE fluids used in the CO
and contain poisonous elements which must not be taken
internally. In the event of a spill or accidental body contact
with FYRITE fluid, read the following carefully.
Page 2
.
2
FYRITE in a noncombustible application where the gas sample
2
) and before venting
2
.
2
or O
in ambient air or from compressed gas
2
2
CAUTION
and O
analyzers are corrosive
2
2
and
2
or O
, replace
2
2
from approximately 100
2
2
Instruction 11-9026
from
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