SMERI S-VTX User manual

VORTEX FLOW METER
S-VTX
Instruction Manual
Version 21

1. Introduction...................................................................................................................2
1.1 Principle................................................................................................................ 2
1.2 Basic Parameters...................................................................................................3
1.3 Flow Range............................................................................................................4
1.4 Dimension.............................................................................................................8
1.5 Pressure Loss...................................................................................................... 10
2. Installation...................................................................................................................11
2.1 Flange / Wafer Type Installation........................................................................ 11
2.2 Insertion Type Installation ................................................................................13
3. Wiring.......................................................................................................................... 15
3.1 Normal Type Without Compensation, 4-20mA+Pulse+HART........................... 15
3.2 Normal Type Without Compensation, 4-20mA+Pulse+RS485.......................... 16
3.3 With Compensation, 4-20mA+Pulse+HART.......................................................16
3.4 With Compensation, 4-20mA+Pulse+RS485......................................................17
4. Operation.................................................................................................................... 18
4.1 Display Configuration......................................................................................... 18
4.2 Data Setting Method.......................................................................................... 19
5. Menu List.....................................................................................................................19
5.1 Basic Function.....................................................................................................19
5.2 Advanced Function (Password Protection)........................................................22
6.Trouble Shooting.......................................................................................................... 34
CONTENT

1
Thank you for purchasing the digital Vortex flow meter.
To ensure correct use of the instrument, please read this manual thoroughly
and fully understand how to operate the instrument before operating it.
·Safety and Modification Precautions
Error operation in case of ignoring the tips might cause the personal injury, or
damage to the instrument and property.
Select explosion-proof instrument for explosive environment
application
Confirm whether the nameplate of instrument has the identifiers of
explosion-proof certification and temperature class, the instrument can’t be
used in explosive environment without those identifiers.
The explosion-proof temperature class of instrument must
meet the explosion-proof and temperature of environmental
requirements on site
When the instrument is used in explosion-proof environment, make sure that
the explosion-proof certification and temperature class of instrument meet to
the requir-ements on site.
No opening while working in explosive environment
Before wiring, please power instrument off.
The protection class of instrument must meet the working
condition requirements on site
The requirement of protection class on site should be under, or the same as the
protection class of instrument to ensure that the instrument is working fine.
Indicates safety attentions which are dangerous.
Indicates safety attentions which are needed to pay attention to.
Indicates safety attentions which are forbidden.

2
If doubting that the instrument in the event of failure, please
do not operate it
If there are something wrong with the instrument or it had been damaged,
please contact us.
1. Introduction
1.1 Principle
Setting a triangular prism vortex generator in the flow meter, regular vortex will
be generated at both the sides of triangular prism, which is called Karman swirl.
As showed on the drawing 1.1, vortex are arranged regularly at the
downstream of vortex generator. Suppose the vortex generation frequency is F,
■Digital Vortex flow meters are thoroughly tested at the factory
before shipment.
When these instruments are delivered, perform a visual check to make sure
that no damage occured during shipment.
■Transportation and Storage Precautions
If the instrument is to be stored for a long period of time after delivery, please
follow below points.
The instrument should be stored in original packing.
The instrument need to be stored in the place where will not be exposed to
rain or water.
Temperature: -40 to +60℃
Humidity: 5 to 100% RH

3
the average flow velocity of medium is V, d is the width of the surface of
triangular prism incident flow, and D for the nominal diameter of flow meter.
Then we get the computation formula:
1.2 Basic Parameters
Measured Medium
Liquid, Gas, Steam
Medium Temp.
-40 ～ ＋ 250℃; 40 ～ ＋ 350℃(high temperature
type)
Nominal Pressure
0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa, 4.0MPa
Accuracy
±1.0% (Flange/Wafer)
±1.5% (Insertion type)
Flow Range
Liquid:0.4-7.0m/s;
Gas:4.0-60.0m/s;
Steam:5.0-70.0m/s
Specifications
DN15-DN300 (flange/wafer type)
DN80-DN2000 (insertion type)
DN15-DN100 (thread/sanitary type)
Material
SS304 (standard) SS316 (optional)
Reynolds Number
Normal 2x104~7x106
Resistance Coefficient
Cd≦2.6
Vibration Acceleration
Allowed
≦0.2g
IEP ATEX
IIG Exia IICT5 Ga
Ambient Condition
Ambient Temp.
-40℃~65℃(Non ex-proof site)
-20℃~55℃(Ex-proof site)

4
Relative Humidity
≦85%
Pressure
86-106kPa
Power Supply
DC12-30V or 3.6V lithium battery powered
Signal Output
4-20mA, Pulse
Communication
RS485 Modbus or HART
1.3 Flow Range
Table 1 Liquid and Air Flow Range Table (m3/h)
Nominal
DN(mm)
Liquid (m3/h)
Air (m3/h)
Standard Range
Extended Range
Standard Range
Extended
Range
15
0.8-6
0.5-8
6-40
5-50
20
1-8
0.5-12
8-50
6-60
25
1.5-12
0.8-16
10-80
8-120
32
2-20
1.5-25
15-150
10-200
40
2.5-30
2-40
25-200
20-300
50
3-50
2.5-60
30-300
25-500
65
5-80
4-100
50-500
40-800
80
8-120
6-160
80-800
60-1200
100
12-200
8-250
120-1200
100-2000
125
20-300
12-400
160-1600
150-3000
150
30-400
18-600
250-2500
200-4000
200
50-800
30-1200
400-4000
350-8000
250
80-1200
40-1600
600-6000
500-12000
300
100-1600
60-2500
1000-10000
600-16000
400
200-3000
120-5000
1600-16000
1000-25000
500
300-5000
200-8000
2500-25000
1600-40000
600
500-8000
300-10000
4000-40000
2500-60000

5
Table 2 Saturated Steam Mass Flow Range Table (kg/h)
Absolute Pressure (MPa)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Temperature (℃)
120.2
133.5
143.62
151.84
158.94
164.96
170.41
Density (kg/m3)
1.129
1.651
2.163
2.669
3.17
3.667
4.162
DN15
Qmin
5.645
8.255
10.815
13.345
15.85
18.335
20.81
Qmax
56.45
82.55
108.15
133.45
158.5
183.35
208.1
DN20
Qmin
6.774
9.906
12.978
16.014
19.02
22.002
24.972
Qmax
67.74
99.06
129.78
160.14
190.2
220.02
249.72
DN25
Qmin
9.032
13.208
17.304
21.352
25.36
29.336
33.296
Qmax
135.48
198.12
259.56
320.28
380.4
440.04
499.44
DN32
Qmin
20.322
29.718
38.934
48.042
57.06
66.006
74.916
Qmax
203.22
297.18
389.34
480.42
570.6
660.06
749.16
DN40
Qmin
22.58
33.02
43.26
53.38
63.4
73.34
83.24
Qmax
338.7
495.3
648.9
800.7
951
1100.1
1248.6
DN50
Qmin
28.225
41.275
54.075
66.725
79.25
91.675
104.05
Qmax
564.5
825.5
1081.5
1334.5
1585
1833.5
2081
DN65
Qmin
45.16
66.04
86.52
106.76
126.8
146.68
166.48
Qmax
903.2
1320.8
1730.4
2135.2
2536
2933.6
3329.6
DN80
Qmin
67.74
99.06
129.78
160.14
190.2
220.02
249.72
Qmax
1354.8
1981.2
2595.6
3202.8
3804
4400.4
4994.4
DN100
Qmin
112.9
165.1
216.3
266.9
317
366.7
416.2
Qmax
2258
3302
4326
5338
6340
7334
8324
DN125
Qmin
169.35
247.65
324.45
400.35
475.5
550.05
624.3
Qmax
3387
4953
6489
8007
9510
11001
12486
DN150
Qmin
225.8
330.2
432.6
533.8
634
733.4
832.4
Qmax
4516
6604
8652
10676
12680
14668
16648
DN200
Qmin
395.15
577.85
757.05
934.15
1109.5
1283.45
1456.7
Qmax
9032
13208
17304
21352
25360
29336
33296
DN250
Qmin
564.5
825.5
1081.5
1334.5
1585
1833.5
2081
Qmax
13548
19812
25956
32028
38040
44004
49944
DN300
Qmin
677.4
990.6
1297.8
1601.4
1902
2200.2
2497.2
Qmax
18064
26416
34608
42704
50720
58672
66592

6
Absolute
Pressure (MPa)
0.9
1.0
1.2
1.4
1.6
1.8
2.0
Temperature
(℃)
175.36
179.68
187.96
195.04
201.37
207.11
212.37
Density
(kg/m3)
4.665
5.147
6.127
7.106
8.085
9.065
10.05
DN15
Qmin
23.325
25.735
30.635
35.53
40.425
45.325
50.25
Qmax
233.25
257.35
306.35
355.3
404.25
453.25
502.5
DN20
Qmin
27.99
30.882
36.762
42.636
48.51
54.39
60.3
Qmax
279.9
308.82
367.62
426.36
485.1
543.9
603
DN25
Qmin
37.32
41.176
49.016
56.848
64.68
72.52
80.4
Qmax
559.8
617.64
735.24
852.72
970.2
1087.8
1206
DN32
Qmin
83.97
92.646
110.286
127.908
145.53
163.17
180.9
Qmax
839.7
926.46
1102.86
1279.08
1455.3
1631.7
1809
DN40
Qmin
93.3
102.94
122.54
142.12
161.7
181.3
201
Qmax
1399.5
1544.1
1838.1
2131.8
2425.5
2719.5
3015
DN50
Qmin
116.625
128.675
153.175
177.65
202.125
226.625
251.25
Qmax
2332.5
2573.5
3063.5
3553
4042.5
4532.5
5025
DN65
Qmin
186.6
205.88
245.08
284.24
323.4
362.6
402
Qmax
3732
4117.6
4901.6
5684.8
6468
7252
8040
DN80
Qmin
279.9
308.82
367.62
426.36
485.1
543.9
603
Qmax
5598
6176.4
7352.4
8527.2
9702
10878
12060
DN100
Qmin
466.5
514.7
612.7
710.6
808.5
906.5
1005
Qmax
9330
10294
12254
14212
16170
18130
20100
DN125
Qmin
699.75
772.05
919.05
1065.9
1212.75
1359.75
1507.5
Qmax
13995
15441
18381
21318
24255
27195
30150
DN150
Qmin
933
1029.4
1225.4
1421.2
1617
1813
2010
Qmax
18660
20588
24508
28424
32340
36260
40200
DN200
Qmin
1632.75
1801.45
2144.45
2487.1
2829.75
3172.75
3517.5
Qmax
37320
41176
49016
56848
64680
72520
80400
DN250
Qmin
2332.5
2573.5
3063.5
3553
4042.5
4532.5
5025
Qmax
55980
61764
73524
85272
97020
108780
120600
DN300
Qmin
2799
3088.2
3676.2
4263.6
4851
5439
6030
Qmax
74640
82352
98032
113696
129360
145040
160800

7
Table 3 Superheated Steam Density & Relative Temperature and Pressure
(Kg/m³)
Absolute Pressure
(MPa)
Temperature（℃）
150
200
250
300
350
400
0.1
0.52
0.46
0.42
0.38
0.15
0.78
0.70
0.62
0.57
0.52
0.49
0.2
1.04
0.93
0.83
0.76
0.69
0.65
0.25
1.31
1.16
1.04
0.95
0.87
0.81
0.33
1.58
1.39
1.25
1.14
1.05
0.97
0.35
1.85
1.63
1.46
1.33
1.22
1.13
0.4
2.12
1.87
1.68
1.52
1.40
1.29
0.5
-
2.35
2.11
1.91
1.75
1.62
0.6
-
2.84
2.54
2.30
2.11
1.95
0.7
-
3.33
2.97
2.69
2.46
2.27
0.8
-
3.83
3.41
3.08
2.82
2.60
1.0
-
4.86
4.30
3.88
3.54
3.26
1.2
-
5.91
5.20
4.67
4.26
3.92
1.5
-
7.55
6.58
5.89
5.36
4.93
2.0
-
-
8.968
7.97
7.21
6.62
2.5
-
-
11.5
10.1
9.11
8.33
3.0
-
-
14.2
12.3
11.1
10.1
3.5
-
-
17.0
14.6
13.0
11.8
4.0
-
-
-
17.0
15.1
13.6

8
1.4 Dimension
1.4.1 Flange Connection Type (DIN PN16 as reference)
DIN PN16 Flange Connection Dimension
Size
L
H
d
D1
D2
n-D3
DN15
170
440
15
65
95
4-φ14
DN20
170
445
20
75
105
4-φ14
DN25
170
450
26
85
115
4-φ14
DN32
170
462
32
100
140
4-φ18
DN40
190
465
38
110
150
4-φ18
DN50
190
473
48
125
165
4-φ18
DN65
220
487
62
145
185
4-φ18
DN80
220
500
73
160
200
8-φ18
DN100
240
533
95
180
220
8-φ18
DN125
260
560
118
210
250
8-φ18
DN150
280
608
140
240
285
8-φ22
DN200
300
640
200
295
340
12-φ22
DN250
360
705
250
355
405
12-φ26
DN300
400
752
300
410
460
12-φ26

9
1.4.2 Wafer Connection Type
Size
L1
D1
d
C
DN15
65
65
15
240.5
DN20
65
65
20
240.5
DN25
65
65
26
240.5
DN32
65
65
32
240.5
DN40
80
76
38
237
DN50
80
88
48
237
DN65
92
101
62
242.5
DN80
100
112
73
247
DN100
124
134
95
271
DN125
145
158
118
284
DN150
165
180
140
313
DN200
195
247
200
319.5
DN250
115
300
250
348
DN300
130
347
300
369.5

10
1.4.3 Insertion Type
1.5 Pressure Loss

11
2. Installation
Caution
●Installation of the vortex flow meter must be performed by expert engineer or
skilled personnel.
●Be careful that no damage is caused to people through accidentally dropping.
●When the vortex flow meter is processing with hot mediums like hot fluid or
steam, be careful not to get burnt.
●All procedures relating to installation must comply with the installation
requirements.
●Suggest to select an area subject to minimize mechanical vibration. If the flow
meter is subject to vibrations, it is recommended to provide pipeline supports.
●No collision by hard subject, when the flow sensor is being installed,
otherwise the accuracy will be influenced, even the flow meter will be
damaged.
2.1 Flange / Wafer Type Installation
● Installation Direction
Horizontal or Vertical (The flow direction should always be upwards while
vertical installation )
● Straight Pipe Length Recommendation (D: Nominal Diameter mm)
Description
Figure
Concentric reducers pipeline
Concentric expansion pipeline
Single quarter bend

12
Description
Figure
Two quarter bends on the same
surface
Two quarter bends on the different
surface
Regulating valve,half-open gate
Valve position
Flow regulating valve must be
installed at the downstream of flow
sensor.
Pressure and temperature taps (for
remote type vortex flow meter with
T&P compensation only)
Remote type vortex flow meter with
pressure and temperature
compensation need to place pressure
and temperature tap according to the
requirement.Install pressure tapping
point at 3-5D downstream of flow
sensor and temperature taking point
at 5-8D downstream of flow sensor.
Vibration
Flow sensor should be not installed
on a strong vibration pipeline
If install the flow sensor on a vibration
pipeline, there are following methods
to decrease the disturbing of vibration:
Installing a fixed support on pipeline at
2D upstream of flow meter.
At the condition of meeting the
straight length, install a hosepipe as a
transmission.
High temperature pipeline
If the heat preservation not good, the
flow meter should be installed
downward
vertical.

13
If the length of upstream can not meet the requirement, suggest to install a
flow regulator at the upstream pipeline.
2.2 Insertion Type Installation
Straight Pipe Length
Recommendation
Upstream≧15D, Downstream≧5D
Installation Steps
1. Open a Φ100mm round hole in the pipeline. The
periphery of the hole should be free of burrs to ensure
the vortex probe pass smoothly.
2. Weld the connection base at the round hole of the
pipeline. Pay attention to the vertical direction during
welding. After welding, the axis is required to intersect
the axis of the pipeline positively, and the extension line
of the flange short pipe passes through the center of the
pipeline. (Refer to Pic 2.2.1)
3. Please follow below insertion length requirement Pipe
size ≤DN400mm, insertion length 1/2D
Pipe size > DN400mm, insertion length 1/4D-1/3D
(D=pipe size)
(Refer to Pic 2.2.2)
4. The connection between the flanges should be
equipped with gaskets.
Rubber plates for normal temperature, heat- resistant
materials such as asbestos plates for high temperature.
5. Installation and disassembling methods at the
condition of hot tapping (with ball valve)
Take disassembling as example, while disassembling,
loosen the fixing screw on the lock nut, then loosen the
lock nut. Pull the insertion rod upwards until the probe is
at the limit position on the upper part of the ball valve,
(at this time the ball valve can be closed exactly). Then
remove the fixing bolts of the upper connecting flange,
and then gently take off the flow meter.
The installation steps of the flow meter at the condition
of hot tapping is reverse to above steps.

14

15
● Attention for installation
1.The flow direction must be same as the flow indication rod, strictly forbidden
to wrench the flow rod;
2. Removing burr and welding slag.
3. Wiring
Warning
●The wiring of the vortex flow meter must be performed by expert engineer or
skilled personnel. Before wiring, check that no voltage is applied to the power
cable. The supply voltage is within the range of the instrument.
According to different functions there are four types of terminal boards:
1Normal type without compensation, 4-20mA+Pulse+HART
2Normal type without compensation, 4-20mA+Pulse+RS485
3With compensation, 4-20mA+Pulse+HART
4With compensation, 4-20mA+Pulse+RS485
3.1 Normal Type Without Compensation, 4-20mA+Pulse+HART
Connection
Description
Power Supply (two wire)
DC24V + -----------------------→5
DC24V - -----------------------→6
4-20mA
4-20mA+-----------------------→5
4-20mA - -----------------------→6

16
Pulse
Pulse +---------------------------→7
Pulse----------------------------→6
Short circuit 7 and 8
HART
5 and 6
3.2 Normal Type Without Compensation, 4-20mA+Pulse+RS485
Connection
Description
Power Supply
DC24V + -----------------------→6
DC24V - -----------------------→7
4-20mA
4-20mA+-----------------------→5
4-20mA - -----------------------→7
Pulse
Pulse +---------------------------→8
Pulse- ----------------------------→7
HART
RS485 +--------------------------→9
RS485 - -------------------------→10
3.3 With Compensation, 4-20mA+Pulse+HART
Connection
Description
Power Supply (two wire)
DC24V + -----------------------→5

17
DC24V - -----------------------→6
4-20mA
4-20mA+-----------------------→5
4-20mA - -----------------------→6
Pulse
Pulse +---------------------------→7
Pulse----------------------------→6
Short circuit 7 and 8
HART
5 and 6
3.4 With Compensation, 4-20mA+Pulse+RS485
Connection
Description
Power Supply
DC24V + -----------------------→6
DC24V - -----------------------→7
4-20mA
4-20mA+-----------------------→5
4-20mA - -----------------------→7
Pulse
Pulse +---------------------------→8
Pulse- ----------------------------→7
HART
RS485 +--------------------------→9
RS485 - -------------------------→10
■Grounding

18
4. Operation
Warning
● Do not open the cover with wet hands.
● When opening the cover, wait for more than 2 minutes after turning off the
power.
4.1 Display Configuration
You can press KEY-M to change the third line display variables. Use indicator to
distinguish between different display variables shows in the second line.
▲If the pressure sensor is set to
“automatic acquisition” mode,
when pressure sensor failure is
detected, the corresponding value
will be replaced by the manual
setting value (the value set in basic
menu “Gauge Pre. KPa”) and
the value will flash on display.
▲If the temperature sensor is set
to “automatic acquisition” mode,
when temperature sensor failure is
detected, the corresponding value
will be replaced by manual setting
value (the value set in basic menu
“Temperature”)and the value will
flash on display.
▲When the flow mode is set
as “Sat_Steam (P)”, it
means saturated steam with
pressure compensation only. At this
time temperature value will display
as “----” which means the
acquisition of temperature sensor is
not activated.
▲When the flow mode is set
as “Sat_Steam (T)”, it means
saturated steam with
temperature compensation only.
At this time pressure value will
display as “----” which means the
acquisition of pressure sensor is
not activated.
Notes: