Micronics Portaflow 330 Flow Meter

Code: PF330
  • Discontinued
  • Direct replacement available

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Now obsolete replacement here. 

The Micronics Portaflow 330 is a portable ultrasonic clamp-on flow meter with non-invasive transducers accommodating different pipe sizes. Installed on the outside of a pipe, flow readings are obtained without penetration of the pipe wall or insertion into the flow system. Operations can continue without shutting off flow or draining the system, avoiding potential fluid contamination and exposure to liquid that could be toxic or corrosive.

The PF330 displays data in text or graph format, showing flow rate, total flow, signal and battery level: an integrated data logger stores 200,000 data points and up to 20 named recording blocks. Parameters for a specific site can be stored and recalled on a further visit, saving time. RS 232/USB ports and Portagraph Software supplied allow stored data to be downloaded.

A quick start menu makes PF330 installation fast and straightforward. No additional fittings or modification of existing equipment is required. Outputs include a 4-20mA or pulse output, proportional to the detected flow rate, allowing communications with external control devices used for building management or plant monitoring.


  • Flow Range – 0.1m/sec to 20m/sec bi-directional, depending on pipe size
  • Display – 64 x 240 pixels graphic display
  • Programming via 16 key control panel
  • User-adjustable data storage, 5-second to 1-hour intervals
  • Battery or mains operation rechargeable battery
  • Battery Life – 20 hours from fully charged, depending on the load
  • Power – 110 – 240VAC +/-10% supply via PSU
  • 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
  • Ten selectable languages, including English, German, French, Spanish and Russian
  • CE approved

Technical Information

  • 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 Temperature: A & B -20°C to +135°C. D -20°C to +80°C. High-temperature version  A & B -20°C to +200°C
  • Outputs:– 0/4 –20mA; RS 232/USB; 5v pulse @ 1 pulse/sec max
  • Size: 26.4 x 16.8 x 5.0 cm. Weight 1.1 kg (including battery)
  • Packed shipping dimensions: 43 x 36 x 22 cm. Weight 7.5kg
  • Customs tariff number 9026102190


Suitable for clean liquids or oils that have less than 3% by volume of particulate content. Applications include river water, seawater, potable water, demineralised water, glycol/water mix, hydraulic systems and diesel oil.

Pipe Types

Pipe Materials: Any sonic conducting media such as Carbon Steel, Stainless Steel, Copper, UPVC, PVDF, Concrete, Galvanised Steel, Mild Steel, Glass and Brass. Including lined pipes – Epoxy, Rubber, Steel, Plastic, Glass and Concrete. Pipe wall thickness 1 mm – 75 mm. Lining thickness up to 25 mm.

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Title Size
PF330-PF220-Brochure 333 KB
PF330 Technical Datasheet 260 KB
PF330 User-Manual-Issue-4-0 994 KB

Additional information

Weight 0.09 kg

Ordering Information

Portaflow 330 Models; supplied with hard wearing IP67 carry case

780-1002: PF330 A pipe sizes; 13-115 mm, operating temperature 20°C to +135°C

780-1003: PF330 B pipe sizes; 50-2000 mm, operating temperature -20°C to +135°C

780-1001: PF330 AB pipe sizes; 13-2000 mm, operating temperature -20°C to +135°C

780-1001HT: PF330 AB pipe sizes; 13-2000 mm, operating temperature -20°C to +200°C

780-1001WP: PF330 AB IP68 pipe sizes; 13-2000 mm, operating temperature -20°C to +135°C

800-1001: PF440 pipe sizes; 50-2000 mm, operating temperature -20°C to +135°C

310-0027H: Portable Heatmeter; The Portaflow 330 can be made into a heatmeter. This is a customised product – Calec ST- which is used with a Micronics Portable Ultrasonic Flowmeter. Supplied complete in a carrying case and may be used with a separate data logger if required (Pulse 101). PT100 clamp-on temperature sensors, heat sink compound and pipe attachment hardware are included.

Spare Transducers – pipe size mm

780-0008: A – 13-115 mm
1400-5013 :A – HT 13-115 mm
1400-5018: A – IP68 13-115 mm
780-0006: B – 50-2000 mm
1400-5014: B – HT 50-2000 mm
1400-5019: B – IP68 50-2000 mm
780-5000: D – 1500-5000 mm

Spare Guide Rails

230-0011: Stainless Steel Guide Rail with Metric/Imperial Ruler and Chain Fixing Kit (pair)
230-0014: Magnetic Stainless Steel Guide Rail with Metric/Imperial Ruler and Chain Fixing Kit (pair)

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