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Ultrasonic Water Meter-DN32

The ultrasonic water meter is a high-accuracy electronic flow meter leveraging the ultrasonic time-of-flight principle. It determines flow velocity by measuring the propagation time disparity of ultrasonic waves in the fluid. Contrasting with conventional mechanical water meters, its notable advantages include: absence of moving mechanical components, broad turndown ratio, negligible pressure drop, superior precision, and extended operational life. It is particularly well-suited for intelligent water management systems, industrial metering applications, and district-level leakage monitoring.

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VORTEIL

Hohe Genauigkeit: ±1% to ±2% error, better than mechanical meters (±2% to ±5%).

Keine beweglichen Teile: Wear-resistant, lifespan >15 years.

Breites Turnverhältnis (100: 1 bis 400: 1): Measures tiny (e.g., drips) and large flows accurately.

Null Druckverlust: Straight-through design doesn’t affect pipeline pressure.

Intelligente Funktionen: Remote reading, leak monitoring, cloud data management.

Wichtige technische Spezifikationen

Grundparameter

Parameter	DN15-DN40 (kleine Bohrung)	DN50-DN200 (Medium {{url_placeholder_0}} Bohrung)	Anmerkungen
Nenndurchmesser (DN)	15 ～ 40 mm	50 ～ 200 mm	Flanche {{url_placeholder_0}} Verbindung
Messungsprinzip	Ultraschallzeit	Ultraschallzeit	Kein mechanisches Laufrad
Turndown -Verhältnis （q₃/q₁）	160: 1 ～ 250: 1	160: 1 ～ 400: 1	(Mechanische Meter: Typischerweise 80: 1)
Genauigkeitsklasse	Klasse 2	Klasse 2	± 2% Fehler
Betriebstemperatur	0,1-50 ° C (kaltes Wasser)	0,1-90 ° C (Warmwasseroption)	High-Temp-Modelle anpassbar
Betriebsdruck	≤ 1,6 MPa	≤ 1,6 MPa	Höhere Druckwerte verfügbar (anpassbar)
Druckverlust	≤ 0,15 MPa	≤ 0,05 MPa	Niederdruckabfall
Bewertung des Schutzschutzes (IP)	IP68	IP68	Eintauchungsinstallation

Produktstruktur und Arbeitsprinzip

(1) Structural Elements

Ultrasonic Transducers: One or multiple transducer pairs for emitting and receiving ultrasonic waves.
Flow Measurement Tube: Unobstructed straight-through design (negligible pressure drop).
Electronics Module: Performs signal processing, flow computation, data storage, and communication.
Display Unit: LCD screen displays flow rate, cumulative usage, alarm messages, etc.

(2) Operational Principle

Measures the time delay (ΔT) of ultrasonic wave transmission in downstream and upstream paths, then computes flow velocity and volume using pipe cross-sectional area:
Durchflussrate q = k × (t₁⁻¹ - t₂⁻¹) × a
(K = calibration factor; A = pipe cross-sectional area)

Anwendungen

Intelligent Water Management Systems: DMA (District Metering Area) division, leak detection, and non-revenue water management.
Industrial Water Recirculation: Precision flow measurement in chemical, power, and metallurgical sectors.
HVAC Systems: Energy metering for chilled/hot water in air conditioning setups.
Agricultural Irrigation: High-flow measurement of water with impurities (requires anti-clogging features).

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