Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of small vortex flow meter in China. Welcome to buy high quality small vortex flow meter at competitive price from our factory. We also accept customized orders.
Products Description
| Parameter | Value |
|---|---|
| Measuring Principle | Vortex Shedding |
| Medium | Liquids & Gases |
| Flow Range | 0.4–400 L/min |
| Accuracy | ±3.0% F.S |
| Output | Dual 4-20mA, Optional RS485 |
Please see the Specifications for more details.
Typical Applications
Cooling Water Systems
Monitor cooling water circulation in chillers, CNC machines and heat exchangers to prevent equipment overheating caused by insufficient flow.
Compressed Air & Industrial Gases
Suitable for compressed air, nitrogen, oxygen and other industrial gases where stable long-term monitoring is required.
Water Treatment & Process Liquids
Used in filtration systems, chemical dosing skids and process pipelines to verify actual flow conditions and improve process reliability.
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Key Advantages
✔ Flow & Temperature Monitoring
✔ No Moving Mechanical Parts
✔ Compact Integrated Design
✔ Fast Response Time
✔ Multiple Output Options
✔ IP67 Protection
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HNF40-A Vortex Flowmeter Parameters |
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Specific Parameters |
Value / Description |
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Measurement Principle |
Working based on the principle of the Karman vortex street. When the fluid flows through the non-streamlined vortex generator inside the sensor, it will alternately produce regular vortices on both sides downstream. The frequency of the vortices is proportional to the flow rate of the fluid. The piezoelectric elements built into the sensor detect the frequency signal generated by the vortices, and after processing by the internal circuit, the precise flow rate value can be calculated. This model of sensor also integrates temperature measurement functionality, achieving integrated monitoring of flow and temperature. |
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Nominal Diameter Range |
G3/8 to G2 inch |
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Wetted Parts Material |
Pom/SUS304 (Stainless Steel) |
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Connection Method |
Threaded Connection (G Series) |
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Maximum Measurement Error |
<±3.0% F.S (flow), <±1.0°C (temperature) |
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Measurement Range |
0.5-400 L/min |
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Maximum Process Pressure |
10bar (Maximum pressure resistance 16bar) |
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Medium Temperature Range |
-20~100°C |
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Ambient Temperature Range |
-10~65℃ |
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Transmitter Housing Material |
Cast aluminum alloy or stainless steel (depending on the body material). |
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Display/Operation |
Two indicator lights display |
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Inputs |
24v |
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Outputs |
Three-wire 4-20mA, linearly related to flow and temperature, user-defined within any range |
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Power Supply |
18-30VDC |
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Certificate |
Explosion-proof: Exd IIC T6 Gb; Protection level: IP65. |
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