PN 305892901, Rev S
Sample Flow
Normal operation of the 3050-RM Analyzer uses an internal bypass, which
increases the response speed of the system. However, the 3050-RM is capable
of running in a gas-saver mode as well, which allows the analyzer to run on a
sample volume of approximately 150 SCCM.
There are four separate sample paths in the 3050-RM Analyzer manifold.
The rst is a simple bypass that allows for an increased ow rate of sample
gas. This means that when you open the bypass valve (SV1), you reduce
the time required to equilibrate all portions of the sample system that
exist upstream of the bypass valve. A capillary tube, located immediately
downstream of SV1 (the coil shape in Figure 1-2), limits the ow rate to ap-
proximately 1 standard liter per minute (the exact value of the bypass ow
is a function of the inlet pressure to the analyzer).
Figure 1-2.
Flow schematic for the
3050-RM sample manifold.
DRYER
VENT
SV1
PSV
SV
2
SV3
SV4
GAS INLET
CAPILLARY
CAPILLARY
CAPILLARY
CAPILLARY
BYPASS FLOW
PERMEATION TUBE
ASSEMBLY
SENSOR
ASSEMBLY
MASS-FLOW
METER
Pressure
Transducer
1-6 | 3050-RM Moisture Analyzer
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