YK-SUAF

Fixed Split-Type Ultrasonic Flowmeter

YK-SUAF series ultrasonic flowmeter, ultrasonic heat meter, and ultrasonic industrial water meter adopt a low-voltage multi-pulse transit-time principle. They use high-precision and highly stable dual-balanced differential transmission and differential reception patented digital detection technology to measure ultrasonic transmission time in both upstream and downstream directions, and calculate flow velocity based on the time difference. The product features excellent stability, minimal zero drift, high measurement accuracy, wide turndown ratio, and strong anti-interference capability. When ultrasonic waves propagate through a liquid, the flow of the medium causes a slight change in propagation time. This change is proportional to the flow velocity. At zero flow, the transmission time between the two sensors is identical (the only practical true zero-flow measurement technology). When the medium is flowing, the upstream propagation time is longer than the downstream propagation time.

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technology parameter

Structure Type	Separate type	Connection Method	External clamp type
Housing Material	Flame-retardant ABS	Maximum Flow Velocity	64m/s
Applicable Pipe Diameter	DN50-DN6000	Ambient Temperature	-25 ～ 80℃
Process Temperature	-25 ～ 110℃	Applicable Pressure	1.0 MPa, 1.6 MPa, 4.0 MPa (can be agreed upon)
Accuracy	1%	Electrical Connection	M20×1.5 (can be agreed upon)
Output Method	Pulse output, 4～20mA, RS485	Ingress Protection Rating	IP66, IP68
Certification	Intrinsically safe and flameproof	Power Supply Voltage	220VAC, 24VDC, Battery

Selection

Measurement Task
Nominal Diameter (DN)

A:DN15; B:DN20; C:DN25; D:DN32; E:DN40; F:DN65; G:DN80; H:DN100; I:DN125; J:DN150; K:DN200; L:DN250; M:DN300; N:DN350; O:DN400; P:DN450; Q:DN500; R:DN600; S:DN700; T:DN800; U:DN900; V:DN1000; W:DN1100; X:DN1200; Y:DN1300; Z:DN1400; DI:Others;
Power Supply

A:24VDC; B:220VAC; C:Non-powered;
Operating Temperature

A:≤80℃; B:≤120℃; C:≤200℃; D:≤300℃; E:≤400℃;
Pressure Rating

A:0–1.6MPa; B:0–2.5MPa; C:0–4.0MPa; D:0–6.3MPa; E:0–10MPa;
Output Signal

A:4–20mA; B:Pulse; C:Switch Signal; D:No Output;
Installation Type

A:Clamp-on; B:Flanged; C:Insertion type; D:Welded-connection;
Converter Type

A:Integral; B:Remote;
Protection Rating (IP Rating)

A:IP65; B:IP66; C:IP67; D:IP68;
Explosion-Proof Rating

A:Standard; B:Explosion-proof; C:Intrinsic Safety;
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