Bulk Ultrasonic Water Meter Stainless Steel body DN80 3″ R500

Our DN80 (3″) Stainless Steel Ultrasonic Water Meter offers unmatched R500 accuracy and durability. Without moving parts, it eliminates mechanical wear and pressure loss. The corrosion-resistant SS304/316 body and IP68 waterproof rating ensure reliable performance in demanding industrial and municipal networks. Built-in smart connectivity for seamless remote data management.

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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:

  1. Weight values are for reference only and are based on plastic housing with 1.6 MPa rated meter.
  2. 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

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