T-21 and T-22 transducer assembly, holder, transformer assembly,
retainer, retaining clip and transducer cable
Figure 3-3:
A. Mount (Inconel mount and holder)
B. Transducer holder (Type - H1 P/N 1-360-01-128, H2 P/N 1-360-01-228)
C. T-21 transformer module (W-01 P/N 1-360-03-090) or T-22 transformer module (W-02 P/N
1-360-03-110)
D. Transducer port (meter body)
E. Transformer retainer (P/N 1-360-01-160)
F. Retaining clip
G. Transducer cable:
• 100°C - 5’ length P/N 1-360-03-232)
• 100°C -15’ length (P/N 1-360-03-233)
9. Place the retainer over the transformer assembly, ensure the retainer threads are
aligned correctly and hand-tighten. Use a 1 1/8” wrench and turn clockwise until the
transformer retainer is fully seated in the transducer holder.
Note
Do not over tighten the retainer.
10. Reconnect the transducer chordset to retainer. The internal connector of the
transducer chordset is keyed and will only go on one way. Secure the transducer
cable plug by installing retaining clips.
11. Repeat Step 1 through Step 10 for the remaining transducer assemblies which were
replaced.
12. Check that the Daniel 3410 Series Ultrasonic Gas Flow Meter is pressure tight.
Pressurize the meter to line pressure. Check for leaks around all mounts and
transducer holders, which were removed, using soapy water or other recognized
Meter repairs
Maintenance and Troubleshooting manual 19
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