Velocity measurement

74 Products or Recomendations for Velocity measurement
  • 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 40 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

    € 90,00
    € 109,80 z DDV-om
  • 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

    € 436,00
    € 531,92 z DDV-om
  • testo 510 - Differential pressure meter

    Order-Nr. 0560 0510

    The testo 510 differential pressure meter allows you to carry out pressure difference measurements at air condtioning system filters or air flow measurements in ventilation ducts using a pitot static tube. The trusty and reliable meter has been tried and tested in the field and is ideal for installation and maintenance work in and around ventilation and air conditioning.

    • Measuring differential pressure from 0 to 100 hPa

    • Air flow measurements with optional pitot static tube

    • Temperature and air density compensation for accurate measurements

    • Ten units of measurement (psi, fpm, hPa, m/s ) to choose from

  • 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

    € 406,00
    € 495,32 z DDV-om
  • 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

    € 377,00
    € 459,94 z DDV-om
  • 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

    € 719,00
    € 877,18 z DDV-om
  • 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

    € 113,00
    € 137,86 z DDV-om
  • testo 417 - Air flow meter

    Order-Nr. 0560 4170

    The testo 417 vane anemometer allows you to carry out quick and precise measurements at air inlets and outlets. The easy-to-read display shows air flow speed and direction as well as volumetric flow rate and temperature. The meter can also calculate the mean time value, average value and minimum and maximum value at the touch of a key.

    • 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

    € 316,00
    € 385,52 z DDV-om
  • 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 40 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

    € 140,00
    € 170,80 z DDV-om
  • testo 435-1 - Multi-function climate measuring instrument

    Order-Nr. 0560 4351

    testo 435 is a series of multi-function climate measuring instruments made by Testo. The testo 435-1 version is the entry-level measuring instrument in this series. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess air quality. For this we offer you a comprehensive range of optional probes and sensors to choose from.

    • You have the option of connecting thermal anemometers and vane anemometers for measuring air velocity and volumetric flow in ventilation ducts

    • Air quality: measurement of CO2, air humidity, air temperature and absolute pressure with the optional IAQ probe

    • Display of dew point distance, min., max. and mean values

    • Illuminated display

    € 409,00
    € 498,98 z DDV-om
  • 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

    € 377,00
    € 459,94 z DDV-om
  • testo 512 - Differential pressure meter for 0…20 hPa

    Order-Nr. 0560 5127

    The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0….20 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 5 and 55 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

    € 377,00
    € 459,94 z DDV-om
  • testo 445 - climate measuring instrument

    Order-Nr. 0560 4450

    You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

    • Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

    • Internal reading memory for up to 3,000 readings

    • Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

    • Automatic mean value calculation and determination of the volume flow

  • 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
       

    € 899,00
    € 1.096,78 z DDV-om
  • 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
       

    € 739,00
    € 901,58 z DDV-om
  • testo 435-3 - Multi-function climate measuring instrument

    Order-Nr. 0560 4353

    testo 435-3 – multi-function climate measuring instrument with integrated differential pressure measurement. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess room air quality. For this we offer a comprehensive range of optional probes and sensors to choose from.

    • Includes differential pressure measurement for filter monitoring or for measurement with a Pitot tube

    • Further optional probes can be attached: thermal and vane anemometers, along with probes for air humidity, CO2, absolute pressure and temperature

    • Display of dew point distance, min., max. and mean values

    • Illuminated display

    € 659,00
    € 803,98 z DDV-om
  • 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

    € 189,00
    € 230,58 z DDV-om
  • 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

    € 259,00
    € 315,98 z DDV-om
  • testo 417 Set 2 - vane anemometer set

    Order-Nr. 0563 4172

    Get the testo 417 vane anemometer with integrated 100 mm vane now, in a set that includes two measurement funnels, a volume flow straightener and other accessories. This ideally equips you to carry out volume flow measurement at plate outlets, ventilation grilles and swirl outlets.

    • testo 417 vane anemometer for measuring air flow velocity, volume flow and temperature

    • Attachable measurement funnels make this ideal for measuring volume flow at ventilation outlets

    • Also suitable for swirl outlets: thanks to the flow straightener, precise measurements can also be taken at swirl outlets

    • Important accessories included in the set: measurement funnels, flow straightener and a bag for storage

    € 465,00
    € 567,30 z DDV-om
  • 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

    € 2.000,00
    € 2.440,00 z DDV-om
74 Products found
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