30 | 5000 Single-Point Moisture Analyzer
For some special applications, we recommend that the sample should also be run
through a contaminant trap and a super-activated dryer. Refer to the supplemental in-
formation supplied with the system to determine if these optional components are to be
used.
Moisture contamination of the dryer(s) can cause incorrect sample moisture data.
To prevent this contamination, never leave either end of a dryer open and exposed to
atmospheric moisture.
Conditioned sample gas used as reference
Configure sample system as shown in Figure 3-7a. Standard and optional conditioning
components (dryers, contaminant traps) should be strapped in the upright position to
support beams.
Dryer(s) must be vertical to avoid channeling (voids in the sieve).
NOTE
NOTE
VALVE
SHUTOFF
SAMPLE
TO VENT
REDUCER
PRESSURE
VALVE
SHUTOFF
SOURCE
SAMPLE
PROBE
(OPTIONAL)
FLOWMETER
BYPASS
AREA
APPROPRIATE
VENT TO
SAMPLE
REFERENCE
UNIT
FIELD
(OPTIONAL)
TRAP
CONTAMINANT
(<1 ppm)
SIEVE DRYER
MOLECULAR
(OPTIONAL)
MOLECULAR SIEVE DRYER
SUPER-ACTIVATED
TO VENT
AREA
APPROPRIATE
VENT TO
PROBE
SAMPLE
REFERENCE
SOURCE
SAMPLE
(OPTIONAL)
FLOWMETER
BYPASS
VALVE
SHUTOFF
REDUCER
PRESSURE
UNIT
FIELD
GAS SOURCE
REFERENCE
VALVE
SHUTOFF
REDUCER
PRESSURE
(OPTIONAL)
TRAP
CONTAMINANT
(OPTIONAL)
MOLECULAR SIEVE DRYER
SUPER-ACTIVATED
(<1 ppm)
SIEVE DRYER
MOLECULAR
Figure 8.
Sample system using conditioned
sample gas as reference.
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