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Product Overview
The Ultrasonic Flow Meter is designed specifically for the distribution and measurement of city gas. It accurately measures the flow of combustible gases using the ultrasonic time-difference method, offering extremely low starting flow rates, high sensitivity, and excellent measurement efficiency. With multi-channel measurement technology, it effectively eliminates the effects of eddy currents and asymmetric flow fields on measurement results, providing necessary redundancy. The product features a measurement accuracy of 1.0 class and is widely applicable for urban pipeline networks. Equipped with intelligent self-diagnostics and remote monitoring capabilities, it offers a comprehensive solution for measurement and management.
Key Features
- Ultrasonic Technology: High accuracy, long service life, and no special maintenance required for long-term operation.
- Multi-Channel Design: Effectively eliminates measurement difficulties caused by unstable flow fields, ensuring precise readings.
- Ultra-Low Starting Flow and Wide Flow Range: Capable of accurate measurement across a wide flow range, fully covering city gas networks.
- Temperature and Pressure Compensation: Equipped with temperature and pressure sensors to ensure precise measurements through compensation.
- No Moving Parts: Reduces mechanical wear, offers low pressure loss, and requires virtually no maintenance.
- Built-in Wireless Data Transmission: Supports remote monitoring, data transfer, and operational diagnostics, facilitating easy management and operation.
- Digital Design: Complete functionality with intuitive display for easy installation and use.
- Durable Design: Constructed with a carbon steel housing and titanium alloy transducers, resistant to contamination and ideal for harsh environments.
- Smart Self-Diagnosis: Monitors the device's status, automatically alarms, and enhances reliability.
- Dual Power System: Supports both external power supply and built-in lithium battery backup, ensuring stable flowmeter operation.
Applications
- City Gas Distribution Measurement: Widely used for flow measurement and monitoring in urban gas networks.
- Natural Gas and Combustible Gas Flow Monitoring: Suitable for accurate flow measurement of various gases, ensuring safe gas supply.
- Industrial Pipeline Flow Measurement: Used for flow monitoring and management in various industrial gas pipelines.
- Environmental Monitoring: Applied in the environmental sector for gas flow detection and control.
| 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 | ||||||
