F-940 Instruction Manual rev. 11/26/2019
1554 NE 3
rd
Ave, Camas, WA 98607, USA
97
Phone: (360) 833-8835
www.felixinstruments.com
4. Press the square button above the
name of the instrument to initiate the
Trigger mode measurement. The pump
inside of the F-940 will activate and
draw headspace gas into the unit.
NOTE:
If you receive a
Clogged probe?
error,
check that your needle is not bent and that the
needle has penetrated through the septum and
into the sampling space.
For larger sampling jars, consider incorporating
an internal fan to improve circulation within the
sample space. Carbon dioxide gas can sink to
the bottom portion of the jar, rendering a non-
representative reading to occur. Placing the jar
on a long side helps to mitigate this from
affecting the sample draw and more evenly
distributes the internal gas.
Summary of Contents for F-940
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