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 Reference, Installation, and Operations Manual
Section 2: Product overview
3-9000-743 Rev S
June 2013
Model 3400 meter body
 17
2.2.2
Model 3400 meter body
 
SeniorSonic
TM
Serves as the core of the unit
Features the multipath, acoustic-signal scheme for measuring transit time on four parallel 
paths for calculating gas flow under asymmetric and swirl conditions
Has port connections for mounting the unit's ultrasonic transducers
Path location
- located at ± 0.309 and ± 0.809 
- Two paths are located at 0.309-R from the center of the meter and two are 
located 0.809-R from the wall
Figure 2-9   SeniorSonic
TM 
Model 3400 meter body