Panametrics PT878GC, Инструкция по эксплуатации

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TransPort™ PT878GC User’s Manual 37
Chapter 3.
3.1.5.3 Installing DMP-3 Compound with All Fixtures
1. Be sure the fixture and transducers are installed on the pipe as described in the previous sections of this chapter.
2. Remove the fixture and transducers, but be sure to mark the approximate area of installation.
3. Remove any loose paint or rust with a file or emery cloth, as shown in Figure 38a below. If the finish is
mirror-smooth, roughen the surface.
Figure 38: Filing (a) and Degreasing (b) the Pipe Surface
4. While wearing appropriate gloves, degrease the surface as shown in Figure 38b above.
5. Place a piece of the DMP-3 material on top of the pipe (Figure
39a), and use the palm of the hand to press it onto the pipe (see Figure 39b below).
Figure 39: Applying the DMP-3 Material
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 40a below.
Figure 40: 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 40b above.
8. Remove the DMP-3 material from the transducer locations (Figure 41a below).
(a)
(b)
(a)
(b)
(a)
(b)