Residential Ultrasonic Water Meters Brass Body DN15 1/2″ R400 With Valve
Precision meets durability. This DN15 1/2″ ultrasonic meter features a robust brass body, R400 accuracy, and an integrated valve for smart leak protection and remote flow control.
- Dimensions
| Size | L (mm) | L1 (mm) | W (mm) | H (mm) | B | A | S |
|---|---|---|---|---|---|---|---|
| DN15 | 134 | 165 | 98 | 109 | R1/2 | G3/4B | 45 |
| DN20 | 134 | 195 | 98 | 112 | R3/4 | G1B | 50 |
| DN25 | 134 | 225 | 98 | 119 | R1 | G1 1/4B | 59 |
Notes:The overall dimensions and weight are for reference only. The specific measurements shall be subject to the actual product.
- Metrological Performance
| Parameter | Unit | DN15 | DN20 | DN25 |
|---|---|---|---|---|
| Nominal Diameter (DN) | inch | 1/2 | 3/4 | 1 |
| Measurement Range (R) | Q3/Q1 | — | 400/250 | — |
| Coefficient | Q2/Q1 | — | 1.6 | — |
| Overload Flow Rate (Q4) | m³/h | 3.125 | 5 | 7.875 |
| Permanent Flow Rate (Q3) | m³/h | 2.5 | 4 | 6.3 |
| Transitional Flow Rate (Q2) | L/h | 10.0 / 16.0 | 16.0 / 25.6 | 25.2 / 40.3 |
| Minimum Flow Rate (Q1) | L/h | 6.3 / 10.0 | 10.0 / 16.0 | 16.0 / 25.2 |
| Maximum Reading | m³ | 999,999.9999 | ||
| Minimum Reading | m³ | 0.0001 | ||
| Pressure Loss | Δp | Δp63 | ||
| Maximum Pressure | MAP | MAP16 (16 bar) | ||
| Accuracy Class | — | Class 2 | ||
| Climate and EMC Class | — | O, E2 | ||
| Flow Profile Sensitivity Class | — | U0 / D0 | ||
| Protection Grade | — | IP68 | ||
| Maximum Temperature | °C | T30, T50, T70 (Default: T30) | ||
| Power Supply | — | Battery DC 3.6 V (One battery can operate continuously for over 10 years) | ||
Note: For different Q₃ and R values, please contact the DEAZESU Team.
- Accuracy Curve
From Q1 inclusive up to but excluding Q2 is ± 5% for T30 ; From Q2 inclusive up to and including Q4 is ± 2% (From Q2 inclusive up to but excluding Q4 is ± 3% for T50).
- Pressure Loss Curve
- Dial Face Design
- Single-screen display: All information can be viewed without switching display interfaces.
- Multiple water volume display modes are available. Regardless of the selected display mode, the water meter continuously measures forward and reverse water volumes.
- The accuracy of reverse measurement meets the flow performance requirements of Class 2 water meters.
- Remote Transmission
