Velocity measurement

53 products or recommendations for Velocity measurement
  • testo 425 - Thermal anemometer with flow probe

    Order-Nr. 0560 4251

    The functional testing of ventilation and air conditioning systems includes monitoring the flow speed in ventilation ducts. If the air flow velocity and volumetric flow are not set correctly, the room air quality may suffer. The testo 425 thermal anemometer measures the flow speed and automatically calculates the volumetric flow.
    • Temperature and flow measurement as well as volumetric flow calculation

    • Permanently attached extendible telescopic probe – maximum length 820 mm, diameter 7.5 mm

    • With single and multi-point averaging

    • Hold function, display of min/max value, Auto-off function

  • testo 405 i - thermal anemometer with smartphone operation

    Order-Nr. 0560 1405

    With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart Probes App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features:
    • for measuring volume flow, air velocity and temperature

    • Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow

    • Convenient for working in ventilation ducts thanks to its telescopic tube, which can be extended up to 400 mm

    • Really convenient to operate thanks to the testo Smart Probes App (e.g. easy viewing of readings, measurement data trend, log function)

  • testo Smart Probes HVAC/R Ultimate kit

    Order-Nr. 0563 0002 31

    Ultimate kit for all-round engineers in the field of heating, air conditioning, refrigeration and ventilation: The kit contains all the testo Smart Probes and is ideal for carrying out functional checks or for plant maintenance, in conjunction with your smartphone/tablet. The testo Smart Probes App enables you to work more easily and efficiently: Automatically calculate numerous parameters such as superheating/subcooling, target superheat, cooling/heating power, differential temperature or mould indication. Measurement data reports can be emailed directly as a PDF or Excel file.
    • For all measurements involving heating, air-conditioning, refrigeration and ventilation systems

    • All Smart Probes for temperature, pressure, humidity and flow in one kit

    • Display of measurement data progression as a graph or table

    • Transmission and analysis of measurement data via testo Smart Probes App

  • testo Smart Probes VAC kit

    Order-Nr. 0563 0003 10

    For air-conditioning engineers: Compact kit containing four measuring instruments for your most important measuring tasks in, on and involving air conditioning systems. The testo Smart Probes App enables you to work more easily and efficiently: Use intuitive measurement menus for volume flow measurement, for automatic calculation of the dew point and wet bulb temperature or for detecting areas susceptible to mould according to the traffic light principle. Measurement data reports can be emailed directly as a PDF or Excel file.
    • Measurement of air and surface temperature, humidity, air velocity and volume flow

    • Measurement menus for volume flow measurement in ducts and at outlets, identification of mould risk, easy image documentation including IR temperature reading and measurement spot marking

    • Display measurement data as a graph or table and analyze and send via testo Smart Probes App

    • In conjunction with your smartphone/tablet, carry out the most important measurements involved in air conditioning systems

  • testo 510 i - differential pressure measuring instrument with smartphone operation

    Order-Nr. 0560 1510

    Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart Probes App and emailed directly.
    • Measurement of gas flow and static pressure

    • Measurement menu for pressure drop test including alerts

    • Simple configuration and determination of volume flow with Pitot tube

    • Magnetic holder for easy attachment

  • testo 405 - Thermal anemometer

    Order-Nr. 0560 4053

    Use the testo 405 thermal anemometer to measure air velocity, volumetric flow and air temperature. It is suitable for carrying out quick check measurements in ventilation ducts and for measuring the air velocity in rooms, e.g. at draughty windows.
    • Measurement of air velocity, volumetric flow and air temperature

    • For measurements in ventilation ducts and in rooms

    • Particularly precise in the range between 0 and 2 m/s

    • Telescope extendible to 300 mm

  • testo 416 - Vane anemometer

    Order-Nr. 0560 4160

    Vane anemometer with telescopic sensor – ideal for carrying out airflow measurements in air ducts.
    • Permanently connected telescopic sensor – maximum length 890 mm, diameter 16 mm

    • Airflow measurements, selective and time mean values for calculating air volume

    • Hold function; min/max display; auto power off

    • Calibration certificate and batteries included

  • testo 470 - tachometer

    Order-Nr. 0563 0470

    One tachometer, multiple measurements: The testo 470 tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all. With this handy instrument, you can also determine speeds and lengths (e.g. of conveyor belts and rotors). 
    • Simple one-hand operation

    • Measurement of rpm, speeds and lengths

    • Storage of mean, max. and min. values as well as the last reading 

    • Includes accessories such as reflective markers, protective case and transport case

  • testo 410-2 - Vane anemometer

    Order-Nr. 0560 4102

    Ideal for rapid measurement at ventilation grilles (air outlets) and for inspecting air conditions – also outdoors: use the testo 410-2 vane anemometer to measure humidity, as well as air velocity and air temperature. Dew point and wet bulb temperature, wind chill or Beaufort wind force: the anemometer can accomplish the calculation of all these parameters at the touch of a button.
    • Permanently installed vane with a diameter of 30 mm

    • Measurement of air velocity, air temperature and humidity

    • Calculates dew point and wet bulb temperature, wind chill and Beaufort wind force

    • Includes single-point averaging, max/min and Hold function

  • testo 410-1 - Vane anemometer

    Order-Nr. 0560 4101

    The testo 410-1 vane anemometer measures air velocity and air temperature. Use it to carry out quick spot measurements at ventilation grilles (air outlets). The anemometer is also ideal for use outdoors. It displays the units m/s, km/h, fpm, mph and kts, and also calculates wind chill and the Beaufort wind force.
    • Vane anemometer with permanently installed 30 mm vane

    • Measurement of air velocity and air temperature

    • Calculates wind chill and the Beaufort wind force

    • Practical: with single-point averaging, max/min and Hold function

  • testo 410 i - vane anemometer with smartphone operation

    Order-Nr. 0560 1410

    Professional measuring technology in a small format: the compact testo 410i vane anemometer with smartphone operation measures the volume flow, air velocity and temperature at air outlets quickly and reliably. The testo Smart Probes App enables readings to be viewed conveniently and offers intelligent additional functions.
    • Measurement of air velocity, volume flow and temperature

    • Display of the volume flow of multiple outlets in order to adjust systems

    • Easy parametrization of the outlet (dimension and geometry)

    • Convenient viewing of readings on a smartphone/tablet with the testo Smart Probes App

  • testo 831 -

    Infrared thermometer

    Order-Nr. 0560 8316

    The testo 831 infrared thermometer allows you to carry out quick and precise temperature measurements of whole pallets of food and smaller products from a distance. Ideal for checking the temperature of incoming goods and for use in food production.
    • Non-contact, non-invasive temperature measurements due to IR technology

    • Precise temperature measurements also of smaller products and from a distance

    • Ultra-fast: two measurements per second – allows you to scan whole pallets in the blink of an eye

    • Includes 2-point laser measuring spot marking, 30:1 optics, belt clip, batteries

  • testo Smart Probes heating kit

    Order-Nr. 0563 0004 10

    For heating engineers: Compact kit containing three measuring instruments for carrying out your most important measuring tasks involving heating systems. The testo Smart Probes App enables you to work more easily and efficiently: Use the measurement menus for pressure drop test with alarm function or for non-contact IR temperature measurement with image documentation including measuring value and measurement spot marking. Measurement data reports can be emailed directly as a PDF or Excel file.
    • Non-contact temperature measurement, measurement of flow and return temperature as well as gas flow pressure

    • Measurement menu for pressure-drop test including alarm function

    • Display measurement data as a graph or table and analyze and send via testo Smart Probes App

    • In conjunction with your smartphone/tablet, measure and check all heating system temperatures and pressures

  • testo 465 - Tachometer

    Order-Nr. 0563 0465

    You can use the testo 465 tachometer for quick and easy rpm measurement on rotating parts such as fans and shafts.
     
    • Extremely easy one-handed operation

    • Saves mean/max./min. values, as well as the last measuring value

    • Robust tachometer – thanks in particular to the protective case (SoftCase) supplied

    • Includes reflective markers

  • testo 420 - volume flow hood

    Order-Nr. 0563 4200

    Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets
    • Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity

    • Impressively light with a weight of 2.9 kg

    • Precise measurement even at swirl outlets thanks to integrated volume flow straightener

    • Fast set-up, convenient operation and protocol creation on site using the App

  • testo 477 - LED stroboscope

    Order-Nr. 0563 4770

    Inspections and quality control of machines and systems, rotational speed measurements of hard-to-reach, small and fast-moving objects. And all while the machines are still running. No problem. No problem at all. With the testo 477 LED stroboscope.
    • Extremely high measurement range: up to 300 000 flashes per minute (fpm)

    • Very high illumination: up to 1 500 Lux

    • Long operating times: battery power for up to 5 h

    • Trigger input and output for connectivity to external systems and control via external sensor

  • testo 476 - Hand-held stroboscope (Xenon)

    Order-Nr. 0563 4760

    Ideal for rpm measurement and for the inspection of parts moving at high frequencies: the testo 476 hand-held stroboscope with high-intensity light.
    • High adjustment accuracy and stability thanks to dynamic setting dial

    • High light intensity thanks to high-performance xenon flashlamp

    • Powerful Li-Ion rechargeable battery pack for at least 2 hours of continuous operation

    • Extremely short flash duration (< 9 µs)

  • Hot wire probe (Ø 7.5 mm) - for flow and temperature

    Order-Nr. 0635 1025

    The hot wire probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity, volume flow and temperature in ventilation ducts or at ventilation outlets.
    • Very small probe head diameter (7.5 mm) – ideal for measurements in inaccessible places

    • Integrated temperature measurement up to +70 °C

    • With telescope (can be extended to 820 mm)

    • Flow measuring range: 0 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

  • Hot wire probe (Ø 12 mm) - for flow, temperature and humidity

    Order-Nr. 0635 1535

    The hot wire probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity as well as temperature and humidity in ventilation ducts or at ventilation outlets.
    • 3 functions in 1 probe: measurement of flow, temperature and humidity

    • Probe head diameter: 12 mm – also suitable for measurements in ventilation ducts

    • With telescope (can be extended to 745 mm)

    • Flow measuring range: 0 to +20 m/s

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