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testo 417 - Air flow meter

0560 4170
  • Compact anemometer with integrated 100 mm vane
  • For measuring air flow, volumetric flow rate and temperature
  • Ideal for carrying out measurements at air inlets and outlets
  • For carrying out measurements at disk valves, ventilation grilles and ceiling diffusers using optionally available accessories
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      Determining the volume flow by funnel measurement

    The testo 417 vane anemometer allows you to measure air flow speed, volumetric flow rate and temperature simultaneously. The integrated vane makes it ideal for carrying out measurements at air inlets and outlets.
    The optionally available testovent 417 funnel set allows you to carry out measurements at ventilation grilles and disk valves. There is also an air flow rate rectifier for carrying out quick and reliable measurements at diffusers.

    The vane anemometer is designed to provide you with the following values

    The easy-to-read display shows all important data including air flow direction – ie. whether the air is being sucked in or blown out – air flow speed and the volumetric flow rate as well as the actual temperature.
    The mean time value and average value provide you with information regarding the average volumetric flow rate, air flow speed and the temperature measurement. In order to carry out the volumetric flow rate simply enter the area of the duct or use the optionally available funnel set.  
    In addition, there is also a hold function which allows you to compare the measurement you have just take with previous measurements. Min and max values are also available at the touch of a key. And thanks to the testo 417’s backlit display you can read the measurements in the dark or in poor lighting.

    testo 417 vane anemometer with integrated 100 mm vane, calibration protocol, battery.

    General technical data

    230 g
    277 x 105 x 45 mm
    Operating temperature
    0 to +50 °C
    Product-/housing material
    Battery type
    9V block battery, 6F22
    Battery life
    50 h
    Storage temperature
    -40 to +70 °C

    Temperature - NTC

    Measuring range
    0 to +50 °C
    ±0.5 °C
    0.1 °C

    Velocity - Vane

    Measuring range
    +0.3 to +20 m/s
    ±(0.1 m/s + 1.5 % of mv)
    0.01 m/s

    Measurement of volumetric flow, flow velocity and temperature

    Every duct inlet and outlet should only contain the volumetric flow that according to calculations is a basic prerequisite to an efficient functional system.

    Particularly large vane anemometers are suitable for measuring the volumetric flows at duct outlets, as these integrate the flow velocity over a larger area thereby determining disturbance from the air grille (loop method).

    A volumetric flow rate funnel and a large vane are ideal when taking readings at the suction or blowing vents of air grilles and poppet valves. The entire volumetric flow is recorded with the aid of the funnel without the need for conversion on the basis of the flow velocity and area. This method of flow measurement is simple and reliable.

    The compact anemometer testo 417 with integrated flow/temperature vane (Ø 100 mm) is ideal for measuring the flow velocity, volumetric flow and temperature at duct outlets. The optional funnel set allows measurements at ventilation grilles and poppet valves.

    testo 417