The palm-sized Sauermann Si-PM3 digital differential pressure manometer easily measures pressure.

Measuring range: -150 to +150 hPa (-60 to 60 inH2O)
Air velocity and airflow with Pitot tube (optional)
Backlit LCD screen
Magnetic backing for easy fixing & carrying bag

    Measure details

    • Units
      inH₂O, Pa, mbar, hPa, mmH₂O, psi
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    Measuring ranges

    • Pressure
      -150.00 hPa ... 150.00 hPa
    • Airflow
      0.00 m³/h ... 9999.00 m³/h
    • Air velocity
      2.00 m/s ... 80.00 m/s
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    Technical details

    • Parameters
      Air velocity
      Airflow
      Differential pressure
    • Displays
      2-line display
    • IP Protection
      IP 40
    • Battery life
      170 hours
    • Standards
      RoHS II 2011/65/EU (EU)2015/863
      UKCA
      2012/19/EU WEEE
      2014/53/EU RED
    • Wireless connection
      1
    • Power supply
      3 alkaline batteries LR03 AAA 1.5 V
    • Protective cover
      No
    • Interchangeable module
      No
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    Instrument Dimensions

    • Length
      2 3/4 inches
      70 mm
    • Width
      1 5/16 inches
      33 mm
    • Height
      5 9/16 inches
      141 mm
    • Weight
      7 pounds
      200 g
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    Operating temperature

    • Min
      0.00 °C
    • Max
      50.00 °C
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    Storage temperature

    • Min
      -20.00 °C
    • Max
      70.00 °C
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    2 clear tubes Ø4x6 mm, 1 m (39.37’’) length
    1 Certificate of conformity
    1 Quick Start Guide
    3 alkaline batteries LR03 AAA 1.5 V
    1 Carrying bag