Insertion Vortex Flow Meter
VFM62 Type Insertion Vortex Flow Meter are measurement solution for large pipe line or duct from DN200~DN1000.
The flow meter also utilizes the advanced dual sensor and special transmitter technology to provide low flow limit and best anti-vibration performance.
VFM62 Insertion vortex Flow Meter
Suitable for large pipeline with known area
Extremely high sensitivity, minimum flow rate down to 2m/s
Wider turndown ratio comparing with traditional insertion vortex meters
Patent dual-sensor design and optimized signal processing technology to ensure best anti-vibration
No moving parts, very small pressure loss
Isolated design for electrical parts to eliminate interference
Wide power source adaptability to fit in different applications
2 lines LCD display
Standard output is pulse and 4~20 mA, Hart@4~20mA and RS485 is available
Metric/British Unit selectable
Density compensation function available, do not need flow computer for mass flow
Password protecting function and self-diagnose function
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Fluid to measure |
Liquid, low pressure steam, gas |
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Nominal diameter |
Insertion:200mm~1000mm(8″~40″) |
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Measurement range（m/s） |
Low pressure steam 2~70 m/s |
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Gas 2~60 m/s |
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Liquid 0.3~7m/s |
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Accuracy |
2% RD |
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Repeatability |
0.3% RD |
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Output |
Pulse /4-20mA@ HART / RS-485 |
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Process Temperature |
-40℃~150℃ |
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Process Pressure Limit |
–0.1 MPa (–1 kg/cm2) to flange rating |
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Ambient Temperature Range |
–40 to 85°C |
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Ambient Humidity |
5 to 100% RH |
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Electrical Connection |
1/2 NPT, M20 × 1.5 |
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Materials |
304 SS, 316 SS, 316L SS |
| 1 |
General model |
VFM62-N |
Vortex flowmeter without integral RTD and pressure sensor |
Standard |
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2 |
Transmitter Location |
T |
Integral |
Standard |
The standard remote cable length is 10m, if you required longer cable, please let us know |
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R |
Remote |
Option |
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3 |
Process connection |
0 |
Insertion |
Option |
Insertion for DN80~700, wafer and flanged type for pipes smaller than 300mm |
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4 |
Fluid type |
1 |
Liquid |
Standard |
If the fluid is steam, please advise if it is saturated or superheated |
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2 |
Gas |
Option |
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3 |
Steam |
Option |
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5 |
Wetted part material |
1 |
OCr18Ni9(304) |
Standard |
For other materials, please advise your speical requirement. Any material will cause a longer production time except 304SS |
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2 |
316 |
Option |
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Q |
Other |
Option |
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6 |
Pressure rating |
3 |
1.6 |
Standard |
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4 |
2.5 |
Option |
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5 |
4 |
Option |
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6 |
6.3 |
Option |
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7 |
10 |
Option |
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8 |
16 |
Option |
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7 |
Medium Temperature |
N |
T≤150℃ |
Standard |
If the temperature is higher than 350 degree C or lower than 40degree C, please advise us to check if we can do |
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8 |
Transmitter |
1 |
pulse/4~20mA |
Standard |
The HART signal is output though 4~20mA. |
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2 |
Battery power/pulse |
Option |
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3 |
pulse/4~20mA@HART |
Option |
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9 |
Cable grinder |
4 |
pulse/RS485 |
Option |
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5 |
pulse/RS485 /T&P compensation |
Option |
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7 |
pulse/4~20mA/T&P compensation |
Option |
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N |
M20x1.5 |
Standard |
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D |
1/2″ NPI |
Option |
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Q |
Other |
Option |
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Pipe size |
xxx |
xxx |
This 3 digits code indicates the inner diameter of the pipe, for example, 050 means DN50, 200 means DN200. |