Campbell PVS5120 Series, Инструкция по эксплуатации

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Appendix H. ISO5667 Conformity
H-2
l. “The intake liquid velocity should be a minimum of 0.5 m/s in order
to prevent phase separation in the sampling line and measuring
chamber.”
TABLE A-1. Vertical Velocity at Sea Level
System
Size
Height
0 m
(0 ft)
1.5 m
(5 ft)
3.1 m
(10 ft)
4.6 m
(15 ft)
5.5 m
(18 ft)
6.1 m
(20 ft)
6.7 m
(22 ft)
7.6 m
(25 ft)
8.2 m
(27 ft)
large
pump
2.16 m/s
(7.1 ft/s)
2.16 m/s
(7.1 ft/s)
1.83 m/s
(6 ft/s)
1.52 m/s
(5 ft/s)
1.34 m/s
(4.4 ft/s)
1.25 m/s
(4.1 ft/s)
1.10 m/s
(3.6 ft/s)
0.91 m/s
(3 ft/s)
0.79 m/s
(2.6 ft/s)
standard
pump
1.55 m/s
(5.1 ft/s)
1.43 m/s
(4.7 ft/s)
1.10 m/s
(3.6 ft/s)
0.82 m/s
(2.7 ft/s)
0.49 m/s
(1.6 ft/s)
0 m/s
(0 ft/s)
TABLE A-2. Horizontal Lift
System Size
Distance
7.6 m
(25 ft)
15.2 m
(50 ft)
22.9 m
(75 ft)
30.5 m
(100 ft)
53.3 m
(175 ft)
61 m
(200 ft)
76.2 m
(250 ft)
large pump
2.2 m/s
(7.1 ft/s)
1.9 m/s
(6.2 ft/s)
1.7 m/s
(5.6 ft/s)
1.5 m/s
(5 ft/s)
1.2 m/s
(4 ft/s)
1.1 m/s
(3.7 ft/s)
0.8 m/s
(2.6 ft/s)
standard pump
1.6 m/s
(5.1 ft/s)
1.4 m/s
(4.7 ft/s)
1.28 m/s
(4.2 ft/s)
1.25 m/s
(4.1 ft/s)
1 m/s
(3.4 ft/s)
0.9 m/s
(3.1 ft/s)
0.7 m/s
(2.3 ft/s)
m. “Ability to purge sampling lines to receive fresh sample.”