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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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이점

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

움직이는 부분이 없습니다: Wear-resistant, lifespan >15 years.

넓은 턴 다운 비율 (100 : 1 ~ 400 : 1): Measures tiny (e.g., drips) and large flows accurately.

제로 압력 손실: Straight-through design doesn’t affect pipeline pressure.

스마트 기능: Remote reading, leak monitoring, cloud data management.

주요 기술 사양

기본 매개 변수

매개 변수	DN15-DN40 (작은 보어)	dn50-dn200 (medium {{url_placeholder_0}} 보어)	발언
공칭 직경 (DN)	15 ～ 40mm	50 ～ 200mm	플랜지 {{url_placeholder_0}} 연결
측정 원리	초음파 기간	초음파 기간	기계식 임펠러가 없습니다
턴 다운 비율 (Qio/Q주)	160 : 1 ～ 250 : 1	160 : 1 ～ 400 : 1	(기계 미터 : 일반적으로 80 : 1)
정확도 클래스	클래스 2	클래스 2	± 2% 오류
작동 온도	0.1-50 ° C (냉수)	0.1-90 ° C (온수 옵션)	첨단 모델 사용자 정의 가능
작동 압력	≤1.6 MPa	≤1.6 MPa	사용 가능한 높은 압력 등급 (사용자 정의 가능)
압력 손실	≤0.15 MPa	≤0.05 MPa	저압 강하
Insress Protection (IP) 등급	IP68	IP68	수중 설치

제품 구조 및 작업 원리

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

응용 프로그램

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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