Specifications
D184B097U02
FV4000 / FS4000
109
Change from one to two columns
A
12.4 Reference conditions for flow measurement
FV4000-VT4/VR4
FS4000-ST4/SR4
Set flow range
0.5 ... 1 x QvmaxDN
Ambient temperature
20 °C (68 °F) ± 2K
Humidity
65 % rel. humidity ± 5 %
Air pressure
86 ... 106 kPa
Supply power
24 V DC
Signal cable length
10 m (32.8 ft) (FV4000-VR or FS4000-SR only)
Current output load
250
Ω
(4 ... 20 mA only)
Fluid for calibration
Water: approx. 20 °C (68 °F), 2 bar (29 psi)
Calibration loop internal
diameter
= internal diameter of meter
Unobstructed straight
upstream section
15 x DN
3 x DN
Downstream section
5 x DN
1 x DN
Pressure measurement
3 ... 5 x DN downstream of meter
Temperature
measurement
2 ... 3 x DN downstream after pressure measurement
A
12.5 FV4000-VT4 / VR4 flowrates
12.5.1 Fluid flowrates
DIN pipe
ANSI pipe
DN
Re min
QvmaxDN
(m3/h)
Frequency
(Hz)
at Qvmax
Re min
QvmaxDN
(m3/h)
QvmaxDN
(US gal/min)
Frequency
(Hz)
at Qvmax
15 1/2“
10000
6
370
11000
5,5
24
450
25
1“
20000 18 240 23000 18 79 400
40
1
1/2“
20000 48 270 23000 48 211 270
50
2“
20000 70 180 22000 66 291 176
80
3“
43000 170 140 48000 160 704 128
100
4“
33000 270 100 44000 216 951 75
150
6“
67000 630 50 80000 530 2334 50
200 8“
120000
1100
45
128000
935
4117
40
250 10“
96000
1700
29
115000
1445
6362
36
300
12“
155000 2400
26 157000 2040 8982 23
The flowrates apply for fluids at 20 °C (68 °F), 1,013 mbar (14.69 psi),
ρ
= 998 kg/m3 (62.30 lb/ft3).
12.5.2 Gas/Steam flowrates
DIN pipe
ANSI pipe
DN
Re min
QvmaxDN
(m3/h)
Frequency
(Hz)
at Qvmax
Re min
QvmaxDN
(m3/h)
QvmaxDN
(ft3/min)
Frequency
(Hz)
at Qvmax
15
1/2“
10000 24 1520 11000 22 13 1980
25 1“
20000
150
2040
23000
82
48
1850
40
1
1/2“
20000 390 2120 23000 340 200 1370
50
2“
20000 500 1200 22000 450 265 1180
80
3“
43000 1200 1000 48000 950 559 780
100
4“
33000 1900 700 44000 1800 1059 635
150
6“
67000 4500 480 80000 4050 2384 405
200
8“
120000 8000 285 128000 6800 4002 240
250 10“
96000
14000
260
115000
12000
7063
225
300
12“
155000 20000 217 157000 17000 10006 195
The flowrates apply for gas at
ρ
= 1.2 kg/m3 (0.075 lb/ft3).
Summary of Contents for FS4000
Page 1: ...Operating Instruction D184B097U02 Vortex Flowmeter Swirl Flowmeter FV4000 FS4000 ...
Page 116: ...Appendix 116 FV4000 FS4000 D184B097U02 ...
Page 117: ...Appendix D184B097U02 FV4000 FS4000 117 ...
Page 118: ...Appendix 118 FV4000 FS4000 D184B097U02 ...
Page 119: ...Appendix D184B097U02 FV4000 FS4000 119 ...
Page 120: ...Appendix 120 FV4000 FS4000 D184B097U02 ...
Page 125: ......