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The POCKET PLUS-UFM is a light weight, truly pocket sized instrument. Its intuitive menu driven user interface makes it incredibly easy to use. Its size and the layout of its display and keypad means that it can be operated single handed. Yet all of this is achieved with no compromise in measurement performance. It even incorporates wall thickness and heat quantity measurement functionality as standard.

The POCKET PLUS-UFM has the same specification, features  and performance as the POCKET UFM but with the additional features of;

  • Serial communications via USB.
  • 4MB datalogger.

Sonic Driver POCKET PLUS-UFM datasheet 010724

Complete Kit in Case
PEEK/ss Sensors


  • Pipe outer diameters ranging from 10 to 6500 mm.
  • Temperature range for pocket meter -10 to +65 degC.
  • IP54 enclosure.
  • Full 128 x 68 pixel graphics display with back light.
  • Full 17 key tactile keypad with audio feedback.
  • Integral wall thickness gauging, 2 to 24 mm as standard.
  • Battery life up to 24 hours continuous use on a standard 9V PP3 battery for easy replacement.


  • Light weight and small for easy, one handed operation.
  • Intuitive installation using menu driven user interface.
  • Full set of instrument and measurement diagnostics.
  • Signal oscilloscope for sensor positioning and diagnostics.
  • Internal database of pipe, fluid and lining materials.
  • Wall thickness gauging (using optional wall thickness probe).
  • Heat quantity measurement (if inlet and outlet temperatures are known).
  • Serial communications via USB.
  • 4MB datalogger.
  • All measured values can be totaled.
  • Ability to save up to 10 configurations for different measurement points.


  • Flow/energy/wall thickness pocket multi-meter.
  • Flow velocity range 0.01 to 25 m/s.
  • Resolution 0.25 mm/s.
  • Repeatability 0.15 % of measured value.
  • Accuracy +/- 0.5 to +/- 3.0 % of measured value  for velocity greater than 0.2 m/s, depending on application.
  • Turn down ratio 1/100.
  • Measurement rate 1 Hz as standard.
  • Gas/solids < 10 % of volume.
  • Measurement: Flow velocity, Volumetric flow, Energy flow.