GE PT878GC Manual de usuario descargar pdf (Pagina 59)

100

101

3-27

April 2004

Installing DMP-3 Compound with All Fixtures (cont.)

6. Spread the DMP-3 material so that it covers the whole area

under the fixture to a thickness of about 0.25 in. (6.4 mm), as

shown in Figure 3-31a below.

Figure 3-31: Spreading the DMP-3 (a) and

Reinstalling the Fixture (b)

7. Position the transducer yokes to the correct spacing and

reinstall the fixture around, but not on, the DMP-3 material, as

shown in Figure 3-31b above.

8. Remove the DMP-3 material from the transducer locations

(Figure 3-32a below).

Figure 3-32: Clearing DMP-3 from the Transducer

Location (a) and Installing the Transducers(b)

9. Apply the couplant to the transducers, and install the

transducers onto the pipe.

Note: If the measurement point is near a flange or weld, apply

DMP-3 between that structure and the fixture as well.

(a)

(b)

(a)

(b)

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