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The ZENNER Bulk water meter WPD / WPHD is specially constructed for the measuring of high flow rates with a mainly constant flow rate profile. Due to the robust design, WPD / WPHD can cover a wide measuring range and provide accurate measuring results over a long period. So it covers almost all measuring tasks in the drinking water supply and distribution.
The housing of the WPD / WPHD was flow-optimized. The mesuring insert was newly constructed as a replacable metrological unit according to european MID. In combination with an up-to-date bearing of the impeller a good linearity and long-term stability of the error curve can be achieved. The robust copper-glass-register is non-diffusive and protected against condensation. It also works reliably under the hardest conditions (e.g. in flooded pits or shafts).
The WPD / WPHD is optimally prepared for remote reading. Retrofitting of electronic communication modules (EDC radio, EDC M-Bus, EDC pulse) and conventional Reed sensor is possible at any time and without violating the calibration seal.
Application area
AMR options
Serially equipped with communication interface for:
ĐỒNG HỒ NƯỚC NÓNG ZENNER - ĐỨC - BULK WATER METER WPD / WPHD
| Measuring Principle | Woltman parallel | 
| Length without connectors | 200 mm 225 mm 250 mm 300 mm 350 mm 450 mm 500 mm 600 mm 800 mm | 
| Housing Material | Cast Iron (GGG) | 
| Register | Dry Dial protection class IP 68 ("Copper Can") | 
| Nominal Flow Q3 (≈ Qn) | Q3=25 (≈ Qn 15) Q3=40 (≈ Qn 25) Q3=63 (≈ Qn 40) Q3=100 (≈ Qn 60) Q3=250 (≈ Qn 150) Q3=400 (≈ Qn 250) Q3=630 (≈ Qn 400) Q3=1000 (≈ Qn 600) Q3=1600 (≈ Qn 1000) Q3=2500 (≈ Qn 1500) | 
| Nominal Diameter DN (mm) | DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN 200 DN 250 DN 300 DN 400 DN 500 | 
| Temperature | Cold water up to 50° C | 
| Specified Units on Display | Cubik Meters (m³) | 
| Metrological Class horizontal (max.) | R 200 | 
| AMR Technologies | Reed Pulser Electronic Pulser M-Bus Radio via wireless M-Bus Radio Special System (GSM) Radio via LoRaWAN | 

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