Water Leak Detection Products & Services

Edenbros is an Authorized, Stocking Distributor of Micronics Ultrasonic & Doppler Flow Meters

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How Ultrasonic Flow Meters Work

Utilising advanced DSP technology, the Portaflow 330 (PF330) is the latest portable flow measurement and recording system to be added to the Micronics range of equipment.

The PF330 can display instantaneous fluid flow rates or velocity, together with totalised values. It also incorporates a data logger that can record up to 98k events which can be output directly to a PC or printer or stored in the instrument’s memory for downloading at a later time.

A variable current or pulse output, proportional to the detected flow rate, is also produced by the PF330 to enable it to interface with a range of external control devices such as those found in building management or site monitoring systems.

The PF330 is very much designed with ‘ease of use’ in mind. An interactive QuickStart menu, which simplifies system installation at any suitable location, together with minimal set-up requirements, means that the system can be installed and brought into service very quickly. Furthermore, the application parameters for a particular site can be saved to non-volatile memory and instantly recalled if a site is revisited for monitoring at a later time – further reducing the set-up time.

The flow sensors, or transducers, connected to the PF330 instrument are attached to the outside of the pipe being monitored and provide totally non-invasive flow measurement without disturbing the existing plant equipment or process operation.

The maximum permissible pipe outside diameter depends on the type of ultrasonic transducer in use:

  Type ‘A’ transducer – usable with pipes in the range 13mm to 115mm
  Type ‘B’ transducer – usable with pipes in the range 50mm to 2000mm
  Type ‘D’ transducer – usable with pipes in the range 1500mm to 5000mm (optional equipment)

The maximum permissible pipe temperature depends on the type of ultrasonic transducer in use:

  Type ‘A-ST’ (Standard) transducer -20°C to +135°C
  Type ‘B-ST’ (Standard) transducer -20°C to +135°C
  Type ‘A-HT’* (high temp) transducer -20°C to +200°C
  Type ‘B-HT’* (high temp) transducer -20°C to +200°C
  Type ‘D’* transducer -20°C to +80°C

* Note that these transducers are not part of the standard Portaflow 330 kit but can be ordered as optional equipment

‘A’ Transducers in mounting rail:- 13mm OD to 115mm OD pipes.‘B’ Transducers in mounting rail:- 50mm OD to 2000mm OD pipes. Optional Transducers: – ‘D’ for pipes > 1500mm up to 5000mm.Transducer Operating Temp:– ‘A’&‘B’ -20°C to +135°C. ‘D’ -20°C to +80°C. ‘A’&‘B’.Outputs:– Opto Isolated 0/4 –20mA; RS 232/USB; 5v pulse @ 1 pulse/sec max. Data Logging:– 200,000 data points. Up to 20 named recording blocks. Data displayed locally in text or graph format. Real time or stored. Can be downloaded via RS232 or USB port to Windows based PC.

Key Benefits

  • Rugged design & construction
  • Large range of pipe sizes (1/2" to 78"
  • Design & customization to provide specific solutions
  • Interpretation and database software
  • Flow Range – 0.1m/sec to 20m/sec bi-directional
  • Display – 64 x 240 pixels graphic display
  • Programming via 16 key control panel
  • Battery or mains operation
  • Rechargeable battery
  • Battery Life – 20 hours from fully charged, depending on load
  • Power – 110 – 240VAC +/-10% supply via PSU
  • 9 user selectable languages
  • Accuracy Pipe ID 13-75mm – ±3% of flow reading for flow rate >0.2m/s.
  • Accuracy Pipe ID > 75mm – ±0.5% to ±2% of flow reading for flow rate >0.2m/s. 


We also have a complete range of Data Loggers, including Flow, Pressure & Acoustic

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Edenbros, LLC
PO Box 247
St. James, MO  65559

(800) 526-5246 Toll Free
(800) 807-9368 Fax