The Award Winning QS200 Ultrasonic Irrigation Flow Meter

True Leak Detection. No False Alarms. Smarter Irrigation


Save time and money on your irrigation systems

The QS200 Insertion Ultrasonic Flowmeter provides accurate reading of liquid flow rate and accumulated flow. Designed to support commercial irrigation applications, the QS200 is available in five pipe sizes, ranging from 1 to 4 inches and is available with a PVC tee or "insert retrofit" for replacement of existing paddlewheel flow sensors

QS200 Irrigation Flowsensor Insert
  • No more replacing worn sensors

Avoid frequent and expensive replacement of flow sensors with worn or seized impellers using the QS200 Ultrasonic flow meter which has no moving parts.

  • Get the most of your irrigation system

The ability of the QS200 Ultrasonic to read flows as low as 0.83 l/min and extended leak detection down to 0.03 m/sec, means the QS200 can detect flows that mechanical impeller sensors simply can't. The QS200 allows for the ability to find leaking valves or other irrigation system leaks as well as utilise key components of your irrigation systems such as flow alarms that are often turned off due to false alarms caused by mechanical flow sensors.

  • Meter monitoring at a glance

The QS200's LED indicators indicate a range of information at a glance without having to remove the meter during maintenance. The LED's can indicate meter failure, no flow, high flow and power status making monitoring simple and efficient.

Buy QS200 Online

Here's the problem with most flow sensors in commercial irrigation applications

Paddle wheel, nutating disc and other mechanical flow meters have an impeller that has to start moving for the meter to sense any flow. To do that, there has to be enough flow for the impeller to overcome friction.

That’s no problem in many applications, where mechanical flow meters work great. But commercial irrigation is different. The low flows typical in drip lines and bubblers often aren’t enough to get those impellers moving.

So what happens? The meters read “no flow” even when there IS flow—it’s just below their ability to sense. This means system leaks are masked and these small leaks add up to big losses over time.

The QS200's patented Transit Time Technology means there are no moving parts to wear out and low maintenance. Long term stability and a hi resolution measurement range makes it possible not only to measure water usage but also monitor leak detection across your irrigation system.

Other features of the FLOMEC® QS200 Ultrasonic flow meter include;

  • Low-cost, effective and simple installation
  • Compatible with common irrigation controllers
  • High accuracy: ± 2.0% of reading  
  • Extended leak detection down to 0.03 m/s
  • Available in 1" - 4" tees and as a replacement insert
  • Simple two-wire connector (for power & pulse)

How much is your irrigation costing you?

A "small" 0.1 L/sec leak adds up to these significant water losses over time.

36 LitresEvery Hour
864 LitresIn One day
25,920 LitresIn One Month
311,040 LitresIn One Year

Irrigation Association Award Winner

The FLOMEC® QS200 Insertion Ultrasonic Flowmeter by Great Plains Industries was the winner of the 2018 new product award in the landscape irrigation category. The QS200 has no moving parts and utilizes ultrasonic technology to measure flow instead of simply sensing it. It offers LED indication of power and flow activity and retrofits into Data Industrial PVC tees.

Read more
QS200 Irrigation Flowsensor Wins Irrigation Award


Below is a list of common compatible controllers that are confirmed for use with the FLOMEC® QS200. If you have a controller that you would like to find out more about regarding compatibility, please do not hesitate to contact us below.

HunterI-Core | ACC2
WeatherTRAKLC+ | ET Pro 3
Hunter - HydrawiseHCC | ACC
BaselineBaseStation 3200
RainmasterEagle Plus
IrriGreenIrriGreen2 | EcoZone

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