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MODEL 2234 DIGITAL FLOW COMPUTER ___________________________
2.6.4 EXAMPLE OF STARTUP SEQUENCE
Assume that the user's application is as follows:
A.
Number of parallel meter tubes: two, each with single dp transducer.
B.
Flange taps are used, and static pressure is monitored upstream from the
orifice.
C.
The product is Ethylene and API-2565 will be used.
D.
Temperature range: 50 to 150
E.
Static pressure range: 0 to 1000 PSIA.
F.
Density output range: 0 to 20 LBF3.
G.
Differential pressure range: 0 to 100 inches of water (each tube).
H.
Line size: D = 8.071 inches actual inside diameter (each tube).
I.
Orifice size: d = 4,000 inches (each orifice).
The subsequent display/keying sequence for the above application is shown in
Table 2-4.
SECTION 2
o
F.
47
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