Each method for measuring flow has specific properties, and each flow measuring point is characterized by specific requirements. The table shown below compares the properties of the various measuring instruments and thus provides assistance in selection of the optimum device.
This section of the field device catalog includes the following instruments for measuring flow:
Electromagnetic
Coriolis mass flow
Ultrasonic
Vortex volumetric- and mass flow
Variable area meter
Orifice plate
Measurement principle
Electromagnetic
Coriolis
Ultrasonic (inline)
Ultrasonic (clamp-on)
Vortex
Variable area meter
Orifice plate
Medium
Liquid (conductive)
Liquid or gas
Liquid
Liquid or gas
Steam/vapor, gases, liquid
Liquid or gas
Liquid, vapor, gas
Nominal diameter
DN 2 … 2000 (0.08” … 78”)
1.5 … 150 mm (0.06” … 6”)
DN 50 ... DN 3000 (2" ... 120")
6.4 mm ... 9.14 m (0.25" ... 360")
DN 15 … 300 (?" … 12")
DN 10 … 100 (0.4” … 4”) G?” … G3”
DN 10 … 1000 (0.4” … 40”)
Temperature range
°C (°F)
-40 … +200 (-40 … +392)
-50 … +180 (-58 … +356)
-20 ... +200 (-4 ... +392)
-40 ... +120 (-40 ... +248)
-40 ... +240 (-40 ... +464)
-20 … +300 (-4 … +572)
-200 … +500 (-328 … +932)
Max. pressure
bar (psi)
160 (2 320), optional higher
Up to 410 (Up to 5 950)
40 (580)
Unlimited
100 (1 450)
100 (1 450)
315 (4 569)
Accuracy
%
± 0,25 or ± 0,4
± 0,1 or ± 0,15
± 0,5 … ± 2
0,5 ... 1,0 % of flow, for velocities greater than 0,3 m/s (1 ft/s)
± 0,75 … ± 1
± 1.6 ... ± 2.0
± 0,5 … ± 2
Repeatability
%
0,1/0,2
0,05
0,25
0,15% of flow, for velocities greater than 0,3 m/s (1 ft/s)
0,1
0,5
0,5
Dynamic response range
1:100
1:100
1:100
1:100
1:25
1:10
1:6
Start-of-scale value
m/s (ft/s)
0 (0)
0 (0)
0,1 (0.33)
0 (0)
0,4 (1.31) 2,0 (6.56)
0,2 (0.66)
Re > 500
Full-scale value
± 36/120
Re < 108
For liquids
m/s (ft/s)
0,25 … 10 (0.825 … 32.8)
10 (32.8)
10 (32.8)
± 12/40
10 (32.8)
3,5 (11.4)
3 (9.8)
For steam/vapor, gases
m/s (ft/s)
Approx. 300 (1000)
± 12/40
80 (262.5)
60 (197)
50/25 (164/82)
Measured values
Volume flow
•
•
•
•
•
•
•
Sound velocity
•
•
Sound amplitude
•
•
Density
•
•
Mass flow
•
•
•
•
Bidirectional measurement
•
•
•
•
•
Use
For custody transfer
•
•
•
•
As batching system
•
•
•
In viscosity range
mPa·s (cp)
0,1 … 100 000 (0.1 … 100 000)
0 ... 100 000 (0 ... 100 000)
0 ... 350 (0 ... 350)
0,5 ... 2800 (0.5 ... 2800)
0 … 10 (0 … 10)
0,5 … 100 (0.5 … 100)
0 … 10 (0 … 10)
Power supply
Mains or battery
Mains
Mains or battery
90... 240 V AC, 50...60 Hz, 15 VA or 9 ... 36 V DC, 10 W
2-wire
non
2-wire
Communication solutions
Product
HART
PROFIBUS PA
PROFIBUS DP
FOUNDATION Fieldbus H1
DeviceNet
Modbus RTU
GSM/GPRS
SITRANS F M MAG 5000
• 1) 2) 4)
SITRANS F M MAG 6000
• 1) 2) 4) 5)
• 1) 5) 6) 7)
• 1) 5) 6) 7)
• 2) 4) 5)
• 5)
• 1) 5) 10)
SITRANS F M MAG 5000/6000 CT8)
SITRANS F M MAG 6000 I
• 1) 2) 4) 5)
• 1) 5) 6) 7)
• 1) 5) 6) 7)
• 2) 4) 5)
• 5)
• 1) 5) 10)
SITRANS F M MAG 6000 I Ex
• 1) 2) 4) 5)
•1) 5) 6) 7)
• 2) 4) 5)
SITRANS F M TRANSMAG 2
• 1) 4)
• 1) 6)
SITRANS F M MAG 8000
• 1) 3) 10) 11) 12)
• 14)
SITRANS F C FCT030
• 1) 2) 4) 8)
SITRANS F C MASS 6000
• 1) 2) 4) 5)
• 1) 5) 6) 7)
• 1) 5) 6) 7)
• 2) 4) 5)
• 5)
• 1) 10)
SITRANS F C MASS 6000 Ex d
• 1) 2) 4) 5)
• 1) 5) 6) 7)
• 2) 4) 5)
• 5)
SIFLOW FC070
• 13)
• 1) 10) 11)
SITRANS FUS060
• 1)
• 1) 6)
SITRANS FUS10109)
• 9) 10) 11)
SITRANS FX300
• 1)
SITRANS FX330
• 1)
SITRANS P DS III
Differential pressure and flow
• 1) 2)
• 1) 2) 7)
• 2)
1) Supports SIMATIC PDM
2) Supports AMS
3) Supports Siemens Flow Tool
4) Supports HH275/375
5) Pluggable add-on module
6) Profile 2
7) Profile 3
8) CT versions are not approved with communication modules.
9) All wall mount models
10) RS 485
11) RS 232
12) IrDA (Infrared)
13) Connected to ET200M PROFIBUS interface
14) Only with 7ME6810
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