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April 2009
Application Requirements
Before you begin to use the PT878GC, you should ensure that
your meter can handle the frequencies required for your particular
application. To check the capabilities of your particular
PT878GC, refer to the back label of the PT878GC, shown in
Figure 3-2 below. The gray label below "Communication" lists
the meter type and transducer frequency the PT878GC can
support.
Figure 3-2: PT878GC Back Label
In addition to checking the available frequencies, you should
determine that your application meets the minimum gas pressure
and maximum flow velocity range requirements for optimal
measurements, given the pipe size and pipe thickness. The tables
on the following pages list the minimum pipe sizes, schedules,
and pressures for use with the PT878GC.
Installing the Dampening Material, Transducers and Fixtures
3-3
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