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Flownetix 300 series

Unique, the world's first fully electronic water meter at a price comparable to mechanical meters.

Flownetix 300 series

Water revenue metering around the world is often problematic in that discontinuous water supply and intermittent pumping causes significant quantities of air to become entrained into the supply lines to the extent that mechanical meters frequently experience air only flow.

With conventional meters this results in over registration of water volumes, reduced life of meters and likely incorrect customer billing.

In order to solve these issues, there is a demand for meters which are more tolerant of prevailing conditions than conventional mechanical meters. The 300 series is such a meter.

The Flownetix® 300series™ is unique in that, for the first time, a fully electronic non-moving part consumer water meter is available to the mass market at a price comparable to mechanical metering solutions, but with a huge number of advantages to utilities and consumers.

The 300series™ is no pipe dream; it is available now and is in full production. With a production capacity of over 100,000 meters per month through selected manufacturing partners with 100% testing of all components, quality and reliability is assured from the date of manufacture. The largest utility can be confident of supply, quality, performance and support.

Using Flownetix’s unique low cost, low power Ultrasonic Flow Measurement Technology, flowengine™, the 300series™ solves all the problems commonly encountered in growing markets demanding metering of consumer water usage where mechanical meters fail and alternative technologies are too costly. Discontinuous supply due to high populations or shortage of available water, high levels of entrained solids, aggressive desalinated water, long periods of air only flow, high pressure high air flow rates, low pressure water flow or zero flow are all handled without degrading the performance or life of the meter. Performance is maintained across liquid and ambient temperatures up to 85degC and pressures in excess of 25 bar.

With no moving parts or sensors in contact with the water using a single WRAS approved plastic material results in very low (or zero) pressure loss, offering improved efficiency, removing the need for strainers or non-return valves to protect the meter. Battery powered with operation for up to 10 years, the unit is sealed for life, does not require maintenance and offers IP68 ingress protection. Air flow is not metered offering consumer confidence, particles up to the size of the meter’s bore pass without jamming or clogging the meter.

The Flownetix® 300series™ is available in a full range of sizes from 15mm to 50mm; 15mm meters are competitively priced compared to quality mechanical products, large bore meters benefit from the simple flow cell design to offer consider savings over all other consumer or industrial meters.

The problems of interrupted water supply in many parts of the world are exaggerated by the additional presents of sand/grit particulates and air being carried in the water supply. The errors caused by this undermines customer confidence in the accuracy of the meter, and on the bills generated from these meters. The Flownetix® 300series™ has been designed to have a self verifying electronics, thus eliminating any errors caused through component deviation through life.

The 300series™ advantage…

  • No moving parts or vibrating parts therefore no errors due to wear
  • The measuring elements have no contact with the process fluid
  • Does not measure air
  • Unaffected by grit and particulates
  • Wide temperature specification range
  • Low pressure drop due to no restrictions caused by measuring elements or reduction in bore
  • Only one WRc approved wetted parts material
  • Low power battery powered electronics
  • Visual display and AMR
  • Long term accuracy and reliability due to internal self verification and correction
  • Low power to run from an internal battery for a period of 10 years

For volume users and utilities, the plastic housing can be customised to include utility markings, alternative fittings, corporate colour schemes and more. The standard data port’s protocol is available free to any utility wishing to interface to existing or planned Automatic Meter Reading (AMR) equipment including inductive touch pads, radio frequency modems, GSM/GPRS modules or power line data links.

See live data from Flownetix 300series meters by clicking here.



Flownetix 315 Consumer Water Meter

A 15mm (1/2") bore non-moving part consumer water meter.

Flownetix 315 Consumer Water Meter

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Flownetix 320 Consumer Water Meter

A 20mm (3/4") bore non-moving part consumer water meter.

Flownetix 320 Consumer Water Meter

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Flownetix 325 Consumer Water Meter

A 25mm (1") bore non-moving part consumer water meter.

Flownetix 325 Consumer Water Meter

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Flownetix 340 Consumer Water Meter

A 40mm (1 1/2") bore non-moving part consumer water meter.

Flownetix 340 Consumer Water Meter

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Flownetix 350 Consumer Water Meter

A 50mm (2") bore non-moving part consumer water meter.

Flownetix 350 Consumer Water Meter

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Inductive touchpad for 300series

A simple inductive touchpad for direct connection to a 300series Consumer Water Meter for remote reading.

Inductive touchpad for 300series

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