YK-SUAB

Handheld Ultrasonic Flow Meter

Handheld Ultrasonic Gas Flow Meter The handheld ultrasonic gas flow meter employs ultrasonic technology for high-accuracy gas flow measurement, based on the time-of-flight difference between upstream and downstream ultrasonic paths (typical accuracy: ±1%). As ultrasonic waves travel through gas, their speed increases with the flow (e.g., +2 m/s) and decreases against it (e.g., –2 m/s). A microprocessor processes this time difference to compute flow velocity (range: 0.1–60 m/s). By integrating the pipe’s cross-sectional area, the device provides instantaneous flow readings (up to 10,000 m³/h) and cumulative flow data. Its non-contact measurement avoids pressure drop, and its lightweight, portable design (under 5 kg) allows for quick on-site setup—making it well-suited for gas utility inspections and industrial emission monitoring.

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technology parameter

Principle	Ultrasonic Time Difference Principle	Measurable Pipe Diameter	DN50-DN6000
Turbidity	10000ppm (with low bubble content)	Housing Material	Flame Retardant ABS
Measuring Medium	Water, Seawater, Industrial Sewage, Acid-base Solution, Oil	Ambient Temperature	-25 ~ 80℃
Process Temperature	-25 ~ 110℃	Flow Velocity	0-10m/s
Accuracy	±1%	Pipe Material	Carbon Steel, Stainless Steel, Copper, Aluminum, PVC
Output Mode	1 Channel OCT Pulse Output (Pulse width 6-1000ms, default 200ms)	Protection Grade	IP67
Probe	Large, Medium, Small	Power Supply Voltage	3 built-in rechargeable Ni-MH batteries with 1.2V and 2000mAh capacity, continuous working for 12 hours after full charge each time

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;
Grounding Ring or Grounding Electrode

A:Yes; B:No;
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