Bulk Ultrasonic Water Meter Stainless Steel body DN125 5″ R500
Our DN125 (5″) Stainless Steel Ultrasonic Water Meter delivers unmatched R500 accuracy for large-scale networks. The zero-moving-parts design eliminates maintenance and head loss, while the robust SS body ensures hygiene and durability. With integrated smart AMR connectivity, it’s the ultimate solution for precise leakage detection and efficient bulk water management in any environment.
Technical Specifications
- Dimensions
(Unit: mm)
| Nominal Diameter | Pressure (MPa) | Outside Diameter D | Flange Hole D1 | Sealing Surface D2 | Sealing Surface f | Flange Thickness C | No. of Bolt Holes n | Bolt Hole Diameter d | Length L | Height (Plastic Housing) H | Height (Metal Housing) H | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN50 | 1.0 / 1.6 / 2.5 | Φ165 | Φ125 | Φ102 | 3 | 18 | 4 | Φ18 | 200 | 250 | 266 | 11 |
| DN65 | 1.0 / 1.6 | Φ185 | Φ145 | Φ122 | 3 | 18 | 8 | Φ18 | 200 | 282 | 303 | 11.8 |
| 2.5 | 22 | 8 | Φ18 | |||||||||
| DN80 | 1.0 / 1.6 | Φ200 | Φ160 | Φ138 | 3 | 20 | 8 | Φ18 | 225 | 299 | 320 | 13.3 |
| 2.5 | 24 | 8 | Φ18 | |||||||||
| DN100 | 1.0 / 1.6 | Φ220 | Φ180 | Φ158 | 3 | 20 | 8 | Φ18 | 250 | 315 | 336 | 16.0 |
| 2.5 | Φ235 | Φ190 | Φ162 | 24 | 8 | Φ22 | 322.5 | 343.5 | ||||
| DN125 | 1.0 / 1.6 | Φ250 | Φ210 | Φ188 | 3 | 22 | 8 | Φ18 | 250 | 340 | 361 | 19.3 |
| 2.5 | Φ270 | Φ220 | Φ188 | 26 | 8 | Φ26 | 350 | 371 | ||||
| DN150 | 1.0 / 1.6 | Φ285 | Φ240 | Φ212 | 3 | 22 | 8 | Φ22 | 300 | 370 | 391 | 26.5 |
| 2.5 | Φ300 | Φ250 | Φ218 | 28 | 8 | Φ26 | 377.5 | 398.5 | ||||
| DN200 | 1.0 / 1.6 | Φ340 | Φ295 | Φ268 | 3 | 24 | 12 | Φ22 | 350 | 412 | 433 | 35.4 |
| 2.5 | Φ360 | Φ310 | Φ278 | 30 | 12 | Φ26 | 422 | 443 | ||||
| DN250 | 1.0 / 1.6 | Φ395 | Φ350 | Φ320 | 3 | 26 | 12 | Φ22 | 450 | 476 | 497 | 57.2 |
| 2.5 | Φ425 | Φ370 | Φ335 | 32 | 12 | Φ30 | 491 | 512 | ||||
| DN300 | 1.0 / 1.6 | Φ445 | Φ400 | Φ370 | 4 | 26 | 12 | Φ22 | 500 | 544.5 | 559.5 | 81.6 |
| 2.5 | Φ485 | Φ430 | Φ395 | 34 | 16 | Φ30 | 564.5 | 579.5 |
Notes:
- Weight values are for reference only and are based on plastic housing with 1.6 MPa rated meter.
- Installation length L can be customized according to project requirements.
- Metrological Performance
| Parameter | Unit / Symbol | DN50 | DN65 | DN80 | DN100 | DN125 | DN150 | DN200 | DN250 | DN300 |
|---|---|---|---|---|---|---|---|---|---|---|
| Nominal diameter (DN) | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| inch | 2″ | 2½” | 3″ | 4″ | 5″ | 6″ | 8″ | 10″ | 12″ | |
| Measurement range (R) | Q₃/Q₁ | 500/400 | — | — | — | — | — | — | — | — |
| Starting flow rate (Q₁) | m³/h | 0.009 | 0.014 | 0.024 | 0.036 | 0.057 | 0.088 | 0.127 | 0.227 | 0.353 |
| Overload flow rate (Q₄) | m³/h | 50 | 78.75 | 125 | 200 | 312.5 | 500 | 787.5 | 1250 | 2000 |
| Permanent flow rate (Q₃) | m³/h | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 |
| Transitional flow rate (Q₂) | m³/h | 0.128–0.160 | 0.202–0.252 | 0.320–0.400 | 0.512–0.640 | 0.800–1.000 | 1.280–1.600 | 2.020–2.520 | 3.200–4.000 | 5.120–6.400 |
| Minimum flow rate (Q₁) | m³/h | 0.080–0.100 | 0.126–0.158 | 0.200–0.250 | 0.320–0.400 | 0.500–0.625 | 0.800–1.000 | 1.260–1.580 | 2.000–2.500 | 3.200–4.000 |
| Fluid | — | Water, sewage, ≤30% homogeneous fluids | ||||||||
| Working environment | — | Full pipe, –25°C to +55°C, ≤95% RH (non-condensing) | ||||||||
| Maximum pressure | MPa | 1.0 / 1.6 / 2.5 (Default 1.6 MPa; DN200 default 1.0 MPa) | ||||||||
| Pressure loss | ΔP | ΔP10 (or MAP ≤1.0 MPa / 1.6 MPa / 2.5 MPa) | ||||||||
| Accuracy class | — | Class 2 | ||||||||
| EMC class | — | O,E2 | ||||||||
| Flow profile & installation class | — | U0 D0 | ||||||||
| Protection rating | — | IP68 | ||||||||
| Maximum temperature | °C | T50 (or T30/T90 depending on model) | ||||||||
| Maximum cumulative flow | m³ | 99999999.9 m³ (9 digits) | ||||||||
| Display range | — | Instantaneous: 0.0001–99999.9 m³/h Cumulative: 0.1–99999999.9 m³ | ||||||||
| Communication | — | RS485 / M-Bus (Baud rate: 2400/4800/9600 bps selectable, default 2400 bps) Protocol: EN13757 (M-Bus) | ||||||||
| Power supply | — | Lithium battery 3.6 V ≥20 mAh (≥10 years continuous operation) Optional: DC 10–36 V, ≤20 mA | ||||||||
| LCD Display | — | Upper: 9 digits (11.05 mm character height) Lower: 6 digits (8.5 mm character height) | ||||||||
| Display content | — | Cumulative flow (m³), Instantaneous flow (m³/h or m³/min or L/s), Operating time (h), Date, Water temperature (°C), Fault code, Software version, Prompt messages | ||||||||
| Data storage | — | EEPROM – stores cumulative volume & time Automatically records daily historical data for last 48 months Data retained ≥10 years during power failure | ||||||||
Notes:
- For different Q₃ values or custom R ratios, please contact the DEAZESU team.
- Some parameters (especially pressure ratings and Q₂ ranges) may have slight model-specific variations.
- Accuracy Curve
- Remote Transmission Optional
