DP-2010RX Version 06042001 ATEX Rev.
YZ Systems, Inc. • 3101 Pollok Drive • Conroe, Texas • USA • 77303 • P: 936.788.5793 • F: 936.788.5720
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4.1 The sampler should be a minimum of five
pipe diameters from any device which could cause
aerosols or significant pressure drops.
4.2 The sampler should not be located within the
defined meter tube region (AGA 3 manual).
A = The number of unobstructed, straight pipe
diameters upstream (see AGA - 3 manual).
B = The number of unobstructed, straight pipe
diameters downstream (see AGA - 3 manual).
Meter Tube
Optimum Sampler Probe Locations
Differential Pressure Device
5 Ø
Flow
A
B
5 Ø
4. Sampler Location
