Wobo Industrial Equipment Co., Ltd.
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Product Overview
The Ultrasonic Flow Meter is specially designed for accurate flow measurement in city gas distribution and supply networks. Using advanced ultrasonic transit-time technology, it achieves precise measurement of combustible gas flow, even at very low start-up flows, with high sensitivity and efficiency. Its multi-channel design effectively eliminates the impact of vortices and asymmetric flow fields, while providing necessary redundancy for reliable operation. With Class 1.0 measurement accuracy, the flow meter is suitable for a wide range of urban pipeline applications. Integrated smart self-diagnosis and remote monitoring features offer a complete solution for flow measurement and management.
Working Principle
The flow meter measures gas velocity using the ultrasonic transit-time method. By calculating the time difference of ultrasonic signals traveling along and against the flow direction, combined with temperature and pressure compensation, the system delivers highly accurate flow readings. Its multi-channel design ensures measurement reliability by reducing the influence of turbulent or asymmetric flow fields. A built-in digital processing module enables remote monitoring, data transmission, and device self-diagnosis.
Key Features
- Ultrasonic Technology: High precision and long service life, requiring minimal maintenance.
- Multi-Channel Design: Reduces flow disturbances and ensures accurate measurement.
- Low Start-Up Flow & Wide Range Ratio: Accurately measures across a large flow range.
- Temperature and Pressure Compensation: Integrated sensors ensure reliable data under varying conditions.
- No Moving Parts: Minimizes mechanical wear and pressure loss; maintenance is virtually zero.
- Wireless Remote Module: Supports remote monitoring, device status diagnosis, and system management.
- Digital Display and Controls: Intuitive interface simplifies installation and operation.
- Rugged Construction: Carbon steel body with titanium alloy transducer, resistant to fouling and harsh environments.
- Smart Self-Diagnosis: Monitors device status in real time and triggers alarms for anomalies.
- Dual Power Supply: Supports external power and built-in lithium battery for stable operation.
Applications
- City Gas Distribution & Supply: Accurate flow measurement and monitoring in urban gas networks.
- Natural Gas & Combustible Gas Flow Monitoring: Precise measurement of various industrial gases.
- Industrial Pipeline Flow Management: Flow monitoring and management in industrial gas pipelines.
- Environmental Monitoring: Gas flow detection and control for environmental applications.
| Specification Model | DN50 | DN80 | DN100 | DN150 | DN200 | DN250 | DN300 |
| Measurement Principle | Ultrasonic Time Difference | Ultrasonic Time Difference | Ultrasonic Time Difference | Ultrasonic Time Difference | Ultrasonic Time Difference | Ultrasonic Time Difference | Ultrasonic Time Difference |
| Number of Channels | 2 | 2 | 2 | 3 | 4 | 4 | 4 |
| Measurement Range (m³/h) | 2.5–150 | 6–360 | 10–600 | 26–1300 | 40–2000 | 75–3000 | 100–4000 |
| Accuracy Level | Level 1.0 | Level 1.0 | Level 1.0 | Level 1.0 | Level 1.0 | Level 1.0 | Level 1.0 |
| Cut-off Flow (m³/h) | 15 | 36 | 60 | 130 | 200 | 300 | 400 |
| Indication Error | Qmin≤Q＜Qt，≤±2.0% | Qt≤Q≤Qmax，≤±1.0% | Qt≤Q≤Qmax，≤±1.0% | Qt≤Q≤Qmax，≤±1.0% | Qt≤Q≤Qmax，≤±1.0% | Qt≤Q≤Qmax，≤±1.0% | Qt≤Q≤Qmax，≤±1.0% |
| Fluid Medium | Single-phase gas: natural gas, liquefied petroleum gas, air, etc. | ||||||
| Medium Temperature | -20~60℃ | ||||||
| Nominal Pressure | ≤1.6MPa | ||||||
| Working Pressure | ≤0.6MPa | ||||||
| Ambient Temperature | -25~55℃ | ||||||
| Power Supply | External power supply 24VDC, built-in lithium battery 3.6V | ||||||
| Signal Output | RS-485, 4~20mA, Modbus | ||||||
| Wireless Communication | GPRS | ||||||
| LCD Display | Accumulated total (standard conditions), instantaneous flow rate under standard conditions, instantaneous flow rate under working conditions, temperature, pressure, battery power, etc. | ||||||
| Installation Method | Flange connection installation | ||||||
