Description
Features
Making Water Metering Smarter and Simpler Than Ever
Connection Diagram
| RS485 Interface Type |
|---|
| Red (V+): Power Supply |
| Black (V-): Power Ground |
| Yellow (RX/A): RS485+ / A / Data-receiving End |
| Blue (TX/B): RS485- / B / Data-transmitting End |
| Model | FUSWM-DN15 | FUSWM-DN20 | FUSWM-DN25 | FUSWM-DN32 | FUSWM-DN40 |
| Nominal Diameter | DN15 | DN20 | DN25 | DN32 | DN40 |
| Minimum Flow Rate (m³/h) Q₁ | 0.0125 | 0.02 | 0.0315 | 0.05 | 0.08 |
| Permanent Flow Rate (m³/h) Q₃ | 2.5 | 4.0 | 6.3 | 10.0 | 16.0 |
| Maximum Flow Rate (m³/h) Qₘₐₓ | 3.125 | 5.0 | 7.875 | 12.5 | 20.0 |
| Range Ratio | 125 | 125 | 125 | 125 | 125 |
| Length (mm) | 165.0 | 195.0 | 225.0 | 180.0 | 200.0 |
| Width (mm) | 107.2 | 107.2 | 107.2 | 107.2 | 107.2 |
| Height (mm) | 101.8 | 107.5 | 114.0 | 123.0 | 130.0 |
| Power Requirement | 7.5 - 24 V DC | ||||
| Temperature | - Ambient temperature: 5 °C - 55 °C - Storage temperature: -20 °C - 60 °C |
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| Connection Type | BSP Thread | ||||
| Materials | Brass | ||||
| Accuracy Class | Class 2 | ||||
| Maximum Operation Pressure | 1.6 MPa (16 bar) | ||||
| Max Pressure Loss | △P ≤63 kPa | ||||
| Pressure Rating | PN16 | ||||
| Protection Class | IP68 | ||||
| Battery | 3.6 V DC lithium battery, 6 years lifetime | ||||
| Data Storage | 24 months of historical data | ||||
| Environmental Severity Level | Class B | ||||
| Environmental Class | E1 | ||||
| Interface & Communication | RS485, Modbus | ||||
| Pulse Weight | 0.001 m³ | ||||
| Flow Resolution | 0.001 m³/h | ||||
| Static Working Current | < 6 μA | ||||
| Installation | Horizontal, vertical or hybrid installation | ||||
| Display and Indication | Unit: m³, LCD: 9 digits & 6 decimal places | ||||
| Standard Compliance | - CE - ISO - FCC | ||||
| Upstream Flow Field Sensitivity Level | U10 | ||||
| Downstream Flow Field Sensitivity Level | D5 | ||||
| Range Ratio | Q3 / Q1 customizable (R125 / R160 / R200 / R250 / R400) | ||||
| Nominal Flow Rate Qₙ | DN15: 2.5 m³/h DN20: 4.0 m³/h DN25: 6.3 m³/h DN32: 10.0 m³/h DN40: 16.0 m³/h |
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| ISO Standard | EN ISO 4064-1:2017+A11:2022 EN ISO 4064-2:2017+A11:2022 |
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