20 Model 3420 meter body
Section 2: Product overview Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
2.2.5 Model 3420 meter body
See Figure 2-12 JuniorSonic
TM
• Serves as the core of the unit
• Features:
– two center paths (90
o
apart)
– acoustic-signal scheme measuring travel time for calculating gas flow
• Has port connections for mounting the unit's ultrasonic transducers
• Transducer location allows for natural drainage under wet gas conditions
Figure 2-12 JuniorSonic
TM
Model 3420 meter body