Ultrasonic Portable Flowmeter

 Water monitoring with a portable instrument


The portable flowmeter is the ideal solution for measure different parameters related to water as flow.

It is an instrument very appropiate to applications of the overead pipeline and underground pipeline.

This flowmeter uses a non-invasive method to take the measurements. It is efficient and it hasn’t moving parts.



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The ultrasonic flowmeter is used for control measurements or to quickly detect the flow rate in a pipe, so it is a transportable and easy to install measuring system.
The ultrasonic flowmeter works according to the method of difference in transit time. The principle of measuring the flowmeter is very simple. In a diagonal measurement on a tube less time is required for a measurement in the direction of the current than against. The more the flow increases, the longer it takes to measure if the measurement is against the current, and the less time if the measurement is in the direction of the current. The difference between the flow times in the direction of the current, or against it, depends directly on the velocity of the flow. The flowmeter uses this effect to determine flow rate and flow rate. The electro-acoustic transducers receive and emit brief ultrasonic pulses through the medium flowing in the pipeline.
The transducers are displaced vertically on both sides of the tube to be measured. The non-invasive sensors are placed on the tube and are fixed for example with a flange. In a short time, the screen tells you the speed of the flow. The ultrasonic flowmeter can be used in metal tubes, plastic tubes and rubber pipes.
  • Pipelines.
  • Open channels.
  • Wastewater.
  • Sea water.
  • Ideal for retrofitting.
  • Installation without interruption of the process.
  • Simple assembly.
  • Accurate and reliable.
  • No pressure loss.
  • No inspections required.
  • No moving parts.
  • No wear.
  • Portable meter for control measurements.


Pipeline's dimensions20...100 mm50...700mm
Sensor typeTDS-S1TDS-M1
Sensor size45x30x30mm60x45x45mm
Sensor weight75g250g
Sensor installation methodV, N, WV, Z
Measurement range0,01...30m/s
Accuracy±1 % reading
Response time0 ... 999 seconds
FluidsEvery liquid type
Wireapprox. 5m
Screen4x16 LCD
Supply3 x AAA Ni-H
Charger100...240 VAC
Data logger2000 values
Housing materialABS
Temperature0...70ºC / consult for other temperatures
Weight514g batteries included

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