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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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VANTAGEM

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

Sem partes móveis: Wear-resistant, lifespan >15 years.

Ampla taxa de retorno (100: 1 para 400: 1): Measures tiny (e.g., drips) and large flows accurately.

Perda de pressão zero: Straight-through design doesn’t affect pipeline pressure.

Recursos inteligentes: Remote reading, leak monitoring, cloud data management.

Principais especificações técnicas

Parâmetros básicos

Parâmetro	DN15-DN40 (Pequeno Bore)	Dn50-dn200 (médio {{url_placeholder_0}} furo)	Observações
Diâmetro nominal (DN)	15 ～ 40mm	50 ～ 200mm	Flange {{url_placeholder_0}} conexão
Princípio de medição	Tempo de voo ultrassônico	Tempo de voo ultrassônico	Nenhum impulsor mecânico
Taxa de retorno （q₃/q₁)	160: 1 ～ 250: 1	160: 1 ～ 400: 1	(Medidores mecânicos: normalmente 80: 1)
Classe de precisão	Classe 2	Classe 2	± 2% de erro
Temperatura operacional	0,1-50 ° C (água fria)	0,1-90 ° C (opção de água quente)	Modelos de alta temperatura personalizáveis
Pressão operacional	≤1,6 MPa	≤1,6 MPa	Classificações de pressão mais altas disponíveis (personalizável)
Perda de pressão	≤0,15 MPa	≤0,05 MPa	Queda de baixa pressão
Classificação de proteção de entrada (IP)	IP68	IP68	Instalação submersível

Estrutura do produto e princípio de trabalho

(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:
Taxa de fluxo q = k × (t₁⁻¹ - t₂⁻¹) × a
(K = calibration factor; A = pipe cross-sectional area)

Aplicações

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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