Velocity measurement

61 products or recommendations for Velocity measurement
  • Vane/temperature probe (Ø 16 mm) - for ventilation ducts

    Order-Nr. 0635 9542

    The vane/temperature probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow in ventilation ducts. It can also measure the temperature at the same time.
    • Integrated temperature measurement up to +70 °C

    • With telescope (can be extended to 960 mm)

    • Intelligent calibration concept

    • Flow measuring range: 0.6 to +50 m/s

  • Vane/temperature probe (Ø 100 mm) - for air outlets

    Order-Nr. 0635 9435

    The vane/temperature probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity or volume flow at ventilation outlets. For measurements at plate outlets and ventilation grilles, it is particularly recommended to use the vane probe in conjunction with the testo 435 measuring instrument and the testovent 417 funnel set (both available separately).
    • Vane diameter: 100 mm

    • Integrated temperature measurement up to +50 °C

    • Flow measuring range +0.3 to +20 m/s

  • Vane/temperature probe (Ø 100 mm) - for air outlets

    Order-Nr. 0635 9343

    The vane/temperature probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow at ventilation outlets. For measurements at plate outlets and ventilation grilles, it is particularly recommended to use the vane/temperature probe in conjunction with the testo 480 measuring instrument and the testovent 417 funnel set (both available to order).
    • Vane diameter: 100 mm 

    • Integrated temperature measurement up to +60 °C

    • Intelligent calibration concept

    • Flow measuring range: +0.1 to +15 m/s

  • Vane probe (Ø 60 mm) - for flow measurements at air outlets

    Order-Nr. 0635 9335

    The vane probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow at ventilation outlets or duct outlets.
    • Vane diameter: 60 mm

    • With telescope (can be extended to 910 mm)

    • Measuring range: +0.25 to +20 m/s

  • Vane probe (Ø 25 mm) - for measuring flow in ducts

    Order-Nr. 0635 9640

     Vane/temperature probe, Ø 25 mm, can be attached to 0430 3545 handle or 0430 0941 telescopic handle 
    • Probe diameter: 25 mm

    • Can be plugged onto handle or telescope (both available to order)

    • Measuring range: 0.6 to +40 m/s

  • Vane probe (Ø 25 mm) - can be used at high temperatures

    Order-Nr. 0635 6045

    The vane probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow in ventilation ducts. It can also be used at high temperatures of up to +350 °C.
    • Probe diameter: 25 mm

    • Can be used at high temperatures of up to +350 °C

    • Can be plugged onto the handle (included in the delivery)

    • Measuring range: 0.6 to +20 m/s

  • Vane probe (Ø 16 mm) - for flow measurements in ducts

    Order-Nr. 0635 9535

    The vane probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow in ventilation ducts.
    • Probe head 16 mm in diameter

    • With telescope (can be extended to 890 mm) for larger ventilation ducts

    • Measuring range: 0.6 to +40 m/s

  • Vane probe (Ø 100 mm) - for flow measurements at air outlets

    Order-Nr. 0635 9340

    The vane probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and volume flow at ventilation outlets.
    • Vane diameter: 100 mm – ideal for carrying out measurements at ventilation outlets

    • Easy to operate at ceiling outlets, since the probe can be bent at a 90° angle

    • Measuring range: +0.1 to +15 m/s

  • testovent 417 - funnel set for volume flow measurement

    Order-Nr. 0563 4170

    Use the testovent 417 funnel set (in conjunction with the appropriate measuring equipment) for measuring the volume flow at ventilation grilles and plate outlets quickly and conveniently.
    • Convenient, quick volume flow measurement

    • With the funnel set, the time-consuming loop method is a thing of the past

    • Suitable for outlets up to 300 x 300 mm

    • Easy to assemble

  • testo Smart Probes VAC set - with smartphone operation

    Order-Nr. 0563 0003

    With the Testo Smart Probes VAC set, you can check air velocities, humidity, volume flows and temperatures in, on and around air conditioning systems. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed.
    • Easy parametrization of the outlet/duct cross-section for measuring the volume flow

    • List of multiple volume flows and calculation of the total volume flow (in the log)

    • Identification of mould risk thanks to the combined utilization of testo 605i and testo 805i

    • Rapid image documentation with IR temperature readings and measuring spot marking

  • testo 521-3 - Differential pressure measuring instrument (up to 2.5 hPa)

    Order-Nr. 0560 5213

    The testo 521-3 high-precision differential pressure measuring instrument easily determines even the smallest differential pressures (up to +2.5 hPa). Its high accuracy and a resolution of 0.1 Pa make the instrument ideal for differential pressure measurements in clean rooms or for flue inspections.
     
    • Integrated temperature-compensated differential pressure sensor with accuracy of up to ± 0.5 Pa

    • Calculation of the flow velocity and the volume flow via Pitot tube (optional)

    • Direct zeroing of the display values of pressure probes

    • 2 probe inputs for additional pressure and temperature probes
       

  • testo 521-2 - differential pressure measuring instrument (0.1 % of f.v.)

    Order-Nr. 0560 5211

    The high-precision testo 521-2 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.
    • Integrated differential pressure sensor with an accuracy of 0.1 % of f.v.

    • Calculation of the flow velocity and the volume flow via Pitot tube (optional)

    • Multi-point and timed mean calculation

    • 2 probe inputs for additional pressure and temperature probes
       

  • testo 521-1 - differential pressure measuring instrument (0.2 % of f.v.)

    Order-Nr. 0560 5210

    The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.
    • Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.

    • Calculation of the flow velocity and the volume flow via Pitot tube (optional)

    • Multi-point and timed mean calculation

    • 2 probe inputs for additional pressure and temperature probes

  • testo 512 - Differential pressure meter for 0…200 hPa

    Order-Nr. 0560 5128

    The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…200 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 10 and 100 m/s.
    • 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

    • 2 air flow units to select from: m/s, fpm

    • Integrated density compensation

    • Backlit display, min/max values, hold function

  • testo 512 - Differential pressure meter for 0…2 hPa

    Order-Nr. 0560 5126

    The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…2 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 2 and 17,5 m/s.
    • 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

    • 2 air flow units to select from: m/s, fpm

    • Integrated density compensation

    • Backlit display, min/max values, hold function

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