Product Overview
The Ultrasonic Meter DN50–DN500 for Large-Diameter Water Flow Measurement with Flanged Connection is designed for municipal water supply, industrial water metering, pipe network monitoring, and large-diameter flow measurement applications. It uses ultrasonic transit-time measurement technology to calculate flow by comparing the travel time of ultrasonic signals in the upstream and downstream directions.
With a flanged connection structure and multiple communication options, including NB-IoT, CAT.1, RS485, M-BUS, pulse output, 4–20mA, and GPRS, this meter is suitable for integration into smart water management systems, remote meter reading networks, and large-scale utility monitoring platforms.
Key Features
- Large-diameter water flow measurement: Covers DN50 to DN500 pipe sizes for municipal, industrial, and utility water applications.
- Ultrasonic transit-time technology: Measures water flow without mechanical moving parts in the measuring section.
- Flanged connection: Designed for stable installation in large-diameter pipeline systems.
- Multi-channel ultrasonic measurement: Supports stable measurement performance with low pressure loss and strong anti-interference capability.
- Wide measurement range: Range ratio up to R500, suitable for both low-flow and high-flow conditions.
- Bidirectional measurement: Supports forward and reverse flow measurement for pipe network monitoring and diagnostics.
- Multiple communication options: Supports RS485, M-BUS, NB-IoT, CAT.1, pulse output, 4–20mA, and GPRS options.
- IP68 protection: Suitable for indoor, outdoor, underground, and humid installation environments.
- Long service life: Low-power design with battery life up to 10 years depending on configuration.
- Historical data storage: Supports storage of hourly, daily, and monthly data, with permanent data retention after power loss.
Applications
- Municipal water supply networks
- Large-diameter pipeline flow measurement
- Industrial water metering
- District metering area monitoring
- Water treatment plants
- Smart water management systems
- Remote water flow monitoring and billing systems
Technical Specifications
| Product Type | Large-diameter ultrasonic water meter |
|---|---|
| Nominal Diameter | DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN400, DN500 |
| Measurement Principle | Ultrasonic transit-time measurement |
| Connection | Flanged connection |
| Maximum Working Pressure | 1.6 MPa |
| Temperature Class | T30, T50; optional high-temperature types T70 and T90 |
| Accuracy Class | Class 2; Class 1 optional |
| Material | Stainless steel SS304; SS316 or SS316L optional |
| Battery Life | Up to 10 years, depending on configuration |
| Protection Class | IP68 |
| Operating Environment | -40°C to +70°C, ≤100% RH |
| Pressure Loss | ΔP0, ΔP16, ΔP25 depending on flow configuration |
| Electromagnetic Environment Class | E2 |
| Communication Options | RS485 ModBus, M-BUS, NB-IoT, CAT.1, pulse output, 4–20mA, GPRS |
| Display | 9-digit dual-line LCD display with status indicators |
| Display Content | Accumulated flow, instantaneous flow, pressure, battery alarm, flow direction, and output mode |
| Measurement Frequency | 1–4 times per second, adaptive |
| Data Storage | Recent 7 × 24 hours, 750 days, and 72 months; data retained after power loss |
| Flow Profile Sensitivity | U5/D3 or U0/D0 |
| Range Ratio | R400 / R500 depending on model configuration |
Nominal Diameter and Flow Range
| Nominal Diameter | Common Flow Q3 | Overload Flow Q4 | Range Ratio |
|---|---|---|---|
| DN50 | 40 m³/h | 50 m³/h | R500 |
| DN65 | 63 m³/h | 78.75 m³/h | R500 |
| DN80 | 63 m³/h | 78.75 m³/h | R500 |
| DN100 | 100 m³/h | 125 m³/h | R500 |
| DN125 | 160 m³/h | 200 m³/h | R500 |
| DN150 | 250 m³/h | 312.5 m³/h | R500 |
| DN200 | 400 m³/h | 500 m³/h | R500 |
| DN250 | 1000 m³/h | 1250 m³/h | R500 |
| DN300 | 1000 m³/h | 1250 m³/h | R500 |
| DN400 | 1600 m³/h | 2000 m³/h | R500 |
| DN500 | 2500 m³/h | 3125 m³/h | R500 |
Dimensions
| Nominal Diameter | Length L | Width B | Height H | Flange Hole | Flange PCD K | Pressure |
|---|---|---|---|---|---|---|
| DN50 | 200 mm | 165 mm | 257 mm | 18 × 4 | 125 mm | 1.6 MPa |
| DN65 | 200 mm | 177 mm | 277 mm | 18 × 4 | 145 mm | 1.6 MPa |
| DN80 | 225 mm | 200 mm | 297 mm | 18 × 8 | 160 mm | 1.6 MPa |
| DN100 | 250 mm | 220 mm | 314 mm | 18 × 8 | 180 mm | 1.6 MPa |
| DN150 | 300 mm | 285 mm | 373 mm | 22 × 8 | 240 mm | 1.6 MPa |
| DN200 | 350 mm | 340 mm | 431 mm | 22 × 8 | 295 mm | 1.6 MPa |
| DN250 | 450 mm | 395 mm | 500 mm | 22 × 12 | 350 mm | 1.6 MPa |
| DN300 | 500 mm | 445 mm | 552 mm | 22 × 12 | 400 mm | 1.6 MPa |
Why Choose This Ultrasonic Meter?
This large-diameter ultrasonic meter combines high-flow measurement capability, low pressure loss, IP68 protection, and multiple remote communication options. It is suitable for water utilities and industrial users that require accurate large-pipe metering, long-term data storage, and smart water network integration.