Emerson Process Management 3420 Carbon Monoxide Alarm User Manual


 
Reference, Installation, and Operations Manual Section 2: Product overview
3-9000-743 Rev S June 2013
Transducers and cabling 21
2.2.6 Transducers and cabling
The standard transducers are designated as T-11, T-12, T-21 and T-22. The T-11 is a direct
replacement for the older T-2 transducers. The T-12 and T-22 is a small diameter version of the
T-11 and the T-21, suitable for small meters such as a 4-inch meter, as well as the 8-inch, 10-inch
and 12-inch 60
o
SeniorSonic
TM
meters
Figure 2-13 T-11 (left) Transducer and T-12 Transducer (right).
Figure 2-14 T-21 (left) and T-22 Transducer (right)
Table 2-1 Transducer connection ports and number of transducers
Model Meter Ports Transducers
3400
SeniorSonic
TM
(Four Path)
88
3410
JuniorSonic
TM
(Single-Path)
22
3420
JuniorSonic
TM
(Dual-Path)
44
3422
SeniorSonic
TM
(with half-radius chords)
88