Liquid

Micro Vortex Flow Meter

The MVFM Series Vortex Flow Sensor is a high-performance liquid flow measurement device based on the Von Kármán vortex principle. When fluid passes a bluff body, alternating vortices are formed downstream—the frequency of these vortices is directly proportional to the flow velocity.

Nominal Pressure: 0–1000 KPa
Ambient Temperature: -20°C to +65°C
Medium Temperature: 0–140°C
Flow Range: 0.5–40 L/min (depending on pipe size)
Accuracy: ≤ ±1.5% F.S (flow), ≤ ±2.0°C (temperature)
Power Supply: 24 VDC
Output Signals: Three-wire pulse output; Three-wire 4–20 mA output; RS485 output
Measured Medium: Liquid

Description

Overview of MVFM Series Micro Vortex Flow Meter

The MVFM Series Micro Vortex Flow Meter is a high-performance liquid flow measurement device based on the Von Kármán vortex principle. When fluid passes a bluff body, alternating vortices are formed downstream—the frequency of these vortices is directly proportional to the flow velocity. The built-in sensor chip detects these signals and calculates the flow rate accurately.

Engineered for durability, accuracy, and zero drift, the MVFM Series is ideal for OEM applications requiring cost efficiency and reliability. Its no-moving-parts design ensures long service life, minimal maintenance, and consistent operation even in challenging environments.


Features of MVFM Series Micro Vortex Flow Meter

  • No Moving Parts: Ensures long life, high reliability, and zero maintenance.

  • Flexible Installation: Can be mounted horizontally, vertically, or at an inclined angle.

  • Low Pressure Loss: Only 25–50% that of an orifice plate, achieving excellent energy efficiency.

  • High Accuracy & Stability: Measurement accuracy up to ±1.5% F.S., repeatability <0.5%.

  • Strong Environmental Adaptability: Multiple circuit protections and surge resistance.

  • Pulse Frequency Output: Frequency is linearly proportional to the actual flow rate, ensuring zero drift.

  • Piezoelectric Sensing Element: Delivers a strong and stable signal with minimal noise.

  • Multiple Output Options: Pulse, 4–20 mA, and RS485 outputs available—no customization required.

  • Compact & Durable Construction: PPS body and stainless-steel pipe section for long-term use.

  • Wide Measurement Range: 0.5–40 L/min, depending on pipe size.


Applications of MVFM Series Micro Vortex Flow Meter

  • Industrial Cooling and Circulation Systems: Monitoring cooling and circulating water flow.

  • Chemical Processing: Suitable for organic and inorganic solution measurement.

  • HVAC & Antifreeze Systems: Accurate flow detection in temperature control and antifreeze loops.

  • Spray and Wastewater Systems: Effective in flow monitoring of clean or slightly contaminated fluids.

  • General Industrial Flow Measurement: For liquid monitoring in process control, machinery, and utilities.


Price of MVFM Series Micro Vortex Flow Meter

The price of the MVFM Series Micro Vortex Flow Meter varies depending on pipe size, output signal type, and configuration options.
If you would like to know the latest MVFM Series pricing, please feel free to contact ZINACA Instruments for an updated quotation.


MVFM Series Micro Vortex Flow Meter OEM Service

ZINACA Instruments is a professional instrumentation manufacturer specializing in flow, pressure, temperature, and level measurement.
We can customize MVFM Series Vortex Flow Sensors based on your application conditions, output requirements, and installation environments.
If you are seeking OEM services for vortex flow sensors, please contact us to discuss your specific needs and customized solutions.


MVFM Series Micro Vortex Flow Meter Manufacturer

As a leading micro vortex flow meter manufacturer, ZINACA Instruments provides high-accuracy, low-maintenance, and durable flow sensors for industrial and commercial use.
With ISO, CNAS, and IAF certifications, we ensure every product meets international quality standards and supports reliable, long-term flow measurement in diverse industries such as water treatment, energy, HVAC, and chemical processing.


Technical Specifications
Nominal Pressure0–1000 KPa
Ambient Temperature-20°C to +65°C
Medium Temperature0–140°C
Material
  • Sensor body: PPS

  • Threaded straight pipe section: Stainless steel 304

Flow Range0.5–40 L/min (depending on pipe size). Refer to the Flow Range Table for specific standard flow data.
Accuracy≤ ±1.5% F.S (flow), ≤ ±2.0°C (temperature)
Repeatability< 0.5%
Turndown Ratio1:10
Connection TypeG1/2 (threaded)
Power Supply24 VDC
Output Signals
  • Three-wire pulse output

  • Three-wire 4–20 mA output

  • RS485 output

Protection GradeIP65
Measured MediumLiquid
Transmission Distance
  • Pulse output ≤ 300 m

  • 4–20 mA output ≤ 1200 m (load resistance ≤ 500 Ω @ 24V)

  • RS485 output ≤ 1000 m

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Tianjin ZINACA Intelligent Equipment Co., LTD

Location

No. 12, Within Waihuan Industrial Company Compound, Fujin Road, Zhongbei Town, Xiqing District, Tianjin, China

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