Smartphone-Direct Pirani Gauge SWU10-U


The sensor unit SWU10-U is a pirani gauge which can measure degree of vacuum by connecting your smartphone directly with an USB cable, without the requirement for a dedicated power supply and display. It is suitable for a pressure range of 5×10-2 to 1×10+5 Pa (3.75×10-4 to 760 Torr / 5×10-4 to 1,013 mbar).


  • Direct Connection with Smartphone
    Direct connection with smartphone by using USB cable (patent pending). No need for the other components. Connection with PC is also possible.
  • No need for AC Power Supply
    No need for a dedicated power supply since the gauge is directly powered by your smartphone
  • Lightweight and Compact
    Size:φ46×81㎜, weight: 85g (NW16 spec). The smallest
    and lightest of the ULVAC pirani gauge lineup.
  • Excellent Shock Resistance
    Excellent shock resistance through the usage of ULVAC original structure
    (patent number 6595945) and body protection rubber.
  • Wide Range Measurement
    Measurable pressure range: 5×10-2 to 1×10+5Pa
    (3.75×10-4 to 760Torr, 5×10-4 to 1,013mbar)
  • Various Fitting Lineup
    7 kinds of fitting lineup including NW16, R1/8, etc.

Special Features / Further Applications

  • Ultimate pressure check in vacuum pump maintenance.
  • Pressure check in vacuum equipment maintenance.

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