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The VFM55 Vortex Flow Transmitter is specially designed for small pipelines DN8–DN25, providing accurate measurement of gas, compressed air, and liquids. It features integrated temperature and pressure compensation, anti-vibration technology, and supports Bluetooth connectivity, with either battery or 24VDC power supply. Supplied by THEGIOIVAN.NET Vietnam.
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Product information
VFM55 Vortex Flow Transmitter DN8–DN25 | High-Precision Small Pipeline Flow Measurement
Introduction to VFM55 Vortex Flow Transmitter
The VFM55 Vortex Flow Transmitter is a high-precision flow measurement device based on the Karman vortex principle, specially designed for measuring air, gas, steam, and liquids in small pipelines.
It is widely used in applications requiring accurate flow monitoring in compact piping systems, such as:
- Energy industry
- Manufacturing plants
- Process control systems
- Compressed air and industrial gas systems
With high accuracy, strong anti-vibration performance, and automatic temperature and pressure compensation, the VFM55 ensures stable and reliable operation even in harsh industrial environments.
Key Features of VFM55 Vortex Flow Transmitter
✔ Wide media compatibility
- Dry and wet air
- Compressed air and industrial gases
- Liquids
- Steam
✔ Designed for small pipelines DN8 – DN25 (1/4” ~ 1”)
Optimized for small pipe systems requiring high accuracy and fast response.
✔ Multi-parameter measurement
The device can simultaneously display and calculate:
- Actual flow rate
- Standard flow rate
- Temperature
- Pressure
Smart Technology & Connectivity
✔ Bluetooth smart configuration
- Parameter setup via Comate App
- Real-time data monitoring on mobile devices
- Flow signal analysis
- Remote diagnostics
✔ Multiple communication outputs
- Pulse output
- RS485 Modbus
- Bluetooth
✔ User-friendly interface
- Easy configuration and operation
- Intuitive system design
Flexible Power Supply: Battery or 24VDC
The VFM55 is designed for low power consumption and offers two power options:
- 🔋 ER26500 lithium battery (long service life and stable operation)
- ⚡ 24VDC power supply for industrial systems
👉 Ensures continuous operation and prevents data loss during power outages.
Advanced Anti-Vibration Technology
The VFM55 features a patented dual-sensor design combined with the VPA60 transmitter, providing:
- Effective elimination of mechanical vibration noise
- Improved signal stability
- Reduced measurement errors in harsh environments
👉 Ensures high accuracy even in high-vibration industrial conditions.
Technical Specifications of VFM55 Vortex Flow Transmitter
| Item | Specification |
|---|---|
| Measured medium | Air, non-corrosive gas, liquid |
| Pipe size | DN8 ~ DN25 (1/4” ~ 1”) |
| Flow range | 16 ~ 300 L/min (volumetric flow) |
| Accuracy | ±1.0% or ±3.0% (depending on configuration) |
| Operating temperature | -40 ~ +80°C |
| Pressure rating | 1.0 MPa |
| Power supply | ER26500 battery or 24VDC |
| Output signal | Pulse / RS485 / Bluetooth |
| Housing material | PPS |
| Wetted parts | Aluminum alloy |
Flow Range vs Pressure
| Pipe size | 4 barG | 5 barG | 6 barG | 7 barG |
|---|---|---|---|---|
| DN8–DN25 | 80–1500 NL/min | 96–1800 NL/min | 112–2100 NL/min | 128–2400 NL/min |
Model Selection Options
Pipe connection
- 08: G-thread female
- 10: G-thread female
- 15: G-thread female
- 20: G-thread female
- 25: G-thread female
Output signals
- Pulse
- RS485
- Bluetooth
Accuracy options
- ±1.0% RD (Standard)
- ±3.0% RD (Optional)
Power supply
- ER26500 battery (Optional)
- 24VDC (Standard)
Applications of VFM55 Vortex Flow Transmitter
The VFM55 is widely used in:
- Industrial compressed air systems
- Boiler steam flow measurement
- Natural gas and industrial gas monitoring
- Food and pharmaceutical industries
- HVAC and energy management systems
Technical Documentation
📄 VFM55 Vortex Flow Transmitter Datasheet (available upon request from THEGIOIVAN.NET)
Conclusion
The VFM55 Vortex Flow Transmitter is a reliable and high-accuracy solution for small pipeline flow measurement. With advanced features such as Bluetooth connectivity, dual-sensor anti-vibration technology, and automatic temperature/pressure compensation, it is an ideal choice for modern industrial flow monitoring systems.
