Precession Vortex Flow Meter
The precession vortex flow meter integrates flow, temperature, and pressure detection functions, and features automatic temperature, pressure, and com...
Key Features
Performance Metrics
| Flange Standard | GB/T9112~9113-2000 |
| Nominal Pressure | 1.6, 2.5, 4.0, 6.3 MPa |
| Protection Rating | IP65 |
| Relative Humidity | 5% ~ 95% |
Key Features
Precession Vortex Flow Meter
The Precession Vortex Flow Meter is a highly reliable instrument for gas flow measurement, utilizing the vortex precession phenomenon. It offers a wide flow range, simple operation, and easy installation, making it ideal for gas measurement in the petroleum, chemical, power, metallurgy, and coal industries.
How the Precession Vortex Flow Meter Works
The flow sensor's profile resembles a Venturi tube, with helical guide vanes on the inlet side. As fluid enters, these vanes generate a powerful swirling motion.
In the diffusion section, the swirling flow interacts with backflow, initiating a secondary rotation known as gyroscopic vortex precession. The frequency of this precession is directly proportional to the flow rate and is independent of the fluid's physical properties.
Key Features & Advantages
Robust & Maintenance-Free
Contains no moving mechanical parts, ensuring stable, reliable long-term operation with minimal maintenance.
High Accuracy & Wide Range
Delivers high measurement accuracy, excellent repeatability, and a wide rangeability for versatile application.
Intelligent Integration
An intelligent flow meter integrating a flow probe, microprocessor, and pressure and temperature sensors.
Advanced Signal Processing
Features automatic real-time tracking compensation and compressibility factor correction for precise gas flow measurement.
Signal Processing and Display
The detected precession frequency signal is amplified, filtered, and shaped by a preamplifier into a pulse signal proportional to flow velocity.
This signal, along with temperature and pressure data, is sent to an on-board microprocessor. The results, including instantaneous flow, cumulative flow, temperature, and pressure, are clearly displayed on the LCD screen.
Technical Specifications and Design
The pressure and temperature signals use a sensor-input design, providing strong interchangeability and flexibility. The meter boasts low overall power consumption and can be powered by an internal battery or an external supply.
Its compact structure simplifies installation and maintenance, while its advanced microprocessor enables powerful functionality and an intuitive user interface for monitoring industrial gas flow.
| Feature | Description |
|---|---|
| Measurement Principle | Vortex Precession |
| Fluid Type | Gas (Various Media) |
| Key Components | Flow Probe, Microprocessor, Pressure & Temperature Sensors |
| Power Options | Internal Battery or External Power Supply |
| Output & Display | Pulse Signal, LCD for Instantaneous/Cumulative Flow, Temp, Pressure |
Industrial Applications for Gas Flow Measurement
This vortex precession flow meter is widely applicable for critical gas measurement tasks across multiple heavy industries. Its reliability and ease of use make it a preferred choice.
It is effectively deployed in the petroleum, chemical, power generation, metallurgy, and coal industries, providing accurate and stable flow data for process control and monitoring.
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