A typical counter drive train is shown in Figure 500-24. The counter drive train consists…
PD Meter – Counter
When specifying counter components, do not put excessive weight on the meter and piping. Stress due to excessive load on the meter and piping may degrade measurement accuracy and cause fatigue.
• Register Type—Specifying a register on the meter that indicates gross volume is a common practice. A second register on the meter stacking indicating “net” or “standard” volume may be necessary in remote custody transfer locations. This second register puts additional weight on the meter (and piping) and therefore should be avoided unless necessary.
• Totalizer Type—A local flow totalizer may not be required if the pulses only need to be totalized remotely, for example, in the control room by a panel mounted totalizer or a flow computer.
• Reset, Capacity, Set-Stop—These items are particularly related to marketing terminal meters used for truck or tank car loading.
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