Velocity

Every duct inlet and outlet should only contain the volume flow that is the basic requirement for a system to work efficiently. Testo offers a variety of measuring instruments to measure volume flows or air velocity at air inlets and outlets.

62 Products found
  • testo 405 - Pocket-sized 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, such as at drafty windows.

    • Volume flow calculation of up to 99,990 m3/h

    • Easily read data at any angle with rotating display

    • Telescopic handle up to 300 mm

    • Ideal for measurements in ducts

  • testo 405 i - Hot-wire Anemometer Smart and Wireless Probe

    Order-Nr. 0560 1405

    The testo 405i Smart Probe hot-wire anemometer is a wireless instrument for measuring air flow velocity, temperature, and volume flow. It is equipped with a telescopic shaft which extends to 15” for easy in-duct testing. You can reliably determine timed and multipoint flow traverses.

    • Measures air velocity, volume flow, and temperature

    • Measures in-duct air flow and automatically calculates volume flow (enter duct dimensions simply)

    • Small dia. (<0.5”) and 15” telescopic shaft length is ideal for in-duct flow averaging and timed traverse

    • Perform air duct leakage tests

  • testo 410-1 - Vane anemometer

    Order-Nr. 0560 4101

    The testo 410-1 pocket anemometer measures air flow and air temperature quickly, easily, and accurately. The integrated 1.5 inch vane makes this economical air flow instrument ideal for fast air velocity measurement spot checks.

    • Integrated, small 1.5 inch vane

    • Hold, Min, Max, and Timed averaging

    • Bright backlit display for easy viewing, no matter the environment

    • Lens cover and leather belt case keep it protected

  • testo 410-2 - Vane anemometer with humidity measurement

    Order-Nr. 0560 4102

    The testo 410-2 handheld anemometer with humidity measures air flow, air temperature, and humidity quickly, easily, and accurately. The compact testo 410-2 air and humidity meter is ideal for fast comfort spot checks and timed averaging calculation.

    • Integrated RH sensor provides %rH, wet bulb, and dew point readings

    • Small 1.5 inch vane meter

    • Hold, Min, Max, and Timed averaging

    • Lens cover and leather belt case keep it protected - even in your tool box

  • testo 410 i - Vane Anemometer Smart and Wireless Probe

    Order-Nr. 0560 1410

    The testo 410i Smart Probe is a compact wireless vane anemometer for measuring air velocity, temperature, and deriving volume flow. It is used at air outlets, and for monitoring the air flow of ventilation systems.

    • Measures air velocity, volume flow, and temperature as well as air flow at registers and automatically calculates volume flow (enter duct dimensions simply)

    • No air density correction required due to design

    • Measure volume flow at several outlets simultaneously (using mutiple Smart Probes) to adjust system balance

    • Timed/multipoint averaging to get accurate air flow profiles

  • testo Smart Probes VAC set - Smart and Wireless Probe Kit

    Order-Nr. 0563 0003

    The testo VAC Smart Probe Set provides a combination of four Smart Probe instruments used with your Smart Device to test and balance a multi-outlet ventilation system. Two types of anemometers give you the capacity to measure in-duct air flow and the flow from each vent. Using an IR temperature probe for surface temperatures will show you motor and electrical equipment conditions and an easy check of each outlet. The thermohygrometer also provides an assessment of the humidity and dewpoint concerns throughout the system.

    • Measures air velocity, temperature, relative humidity, wet bulb / dew point, and calculates volume flow

    • Kit includes instruments to measure, balance, troubleshoot, and optimize ventilation systems performance

    • RH & air flow measurements in-duct and at registers viewed simultaneously in the testo Smart Probes App (605i, 405i, 410i)

    • App calculates system enthalpy with air flow & RH probes; App allows you to photograph objects with smart device, capturing measurement marker and temperature values for reference and reporting (805i)

  • testo 416 - Small vane anemometer

    Order-Nr. 0560 4160

    The testo 416 small vane anemometer (air flow meter) accurately and easily measures air velocity and volume flow (CFM) for in-duct and a variety of HVAC applications above 120 fpm. As vane technology is inherently air density independent, the testo 416 handheld digital vane anemometer provides repeatable and reliable readings test after test.

    • Small (0.63 inch) vane for in-duct measurement

    • Direct display of volume flow (CFM)

    • Multi-point and timed average calculations make fast and simple work of duct traverses

    • Bright backlit display provides easy viewing in any environment

  • testo 417 - Rotating vane anemometer

    Order-Nr. 0560 4170

    With readings of up to 4,000 fpm, the testo 417 rotating vane anemometer is ideal for collecting air velocity, CFM, and temperature measurements at supply and return grills. Having a larger vane, this air flow meter can cover a larger surface area, ensuring accurate measurements with each use.

    • Air velocity, CFM, and temperature measurements

    • Multi-point and timed average calculations for in-duct readings

    • Bright backlit display provides easy viewing in any environment

    • “Hold” button freezes readings for easy recording

  • testo 417 Kit - Rotating Vane Anemometer

    Order-Nr. 400563 4170

    With readings of up to 4,000 fpm and the attached large vane, the testo 417 rotating vane anemometer kit is ideal for collecting reliable measurements for air velocity, CFM, and temperature at both supply and return grills. The included soft carrying case ensures the air flow meter is protected against light drops and the elements.

    • Soft carrying case for worry-free transportation

    • Air velocity, CFM, and temperature measurements

    • Multi-point and timed average calculations for in-duct readings

    • Bright backlit display provides easy viewing in any environment

  • testo 420 - Flow Hood

    Order-Nr. 0563 4200 / 400563 4200

    The testo 420 accurate, lightweight flow hood with Bluetooth is the precise and convenient solution for measuring volume flows at supplies and returns. Handling this capture hood with flow straightener and tiltable display is especially easy with the low weight of less than 6.2 lbs. and ergonomic handles.

    • Rugged and tough flow hood that weighs less than 6.2 lbs. (2.9 kg.)

    • Large, easy to read, tiltable, backlit display (removable) makes it easy to see the readings

    • Flow straightener for more precise measurement at turbulent outlets

    • App integration via Bluetooth for fast and easy monitoring and reporting on site

  • testo 425 - Hot wire anemometer

    Order-Nr. 0560 4251

    The testo 425 hot wire anemometer can measure cubic feet per minute (CFM) when conducting duct testing, as well as easily switch between flow and temperature readings. The telescoping handle of the thermal probe on this CFM meter makes it easy to reach ductwork above your head.

    • Telescoping hot wire probe

    • Measures velocity, volume flow (CFM), and temperature

    • Timed and multi-point average flow calculations

    • Auto-off function saves battery life

  • testo 435-1 - Multifunction meter

    Order-Nr. 0560 4351

    The testo 435-1 is an economic multifunction meter capable of monitoring, analyzing, and diagnosing indoor air quality. In addition, you can easily pinpoint and troubleshoot airflow problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-1.

    • Wide array of probes available for various applications

    • Optional wireless (RF) temperature probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 435-2 - Multifunction meter w/ memory and software

    Order-Nr. 0563 4352

    The testo 435-2 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-2.

    • Built-in memory stores up to 10,000 measurements

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 435-3 - Multifunction meter w/ integrated differential pressure

    Order-Nr. 0560 4353

    The testo 435-3 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot airflow problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-3.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 435-4 - Multifunction meter w/ memory, software, and differential pressure

    Order-Nr. 0563 4354

    The testo 435-4 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-4.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Built-in memory stores up to 10,000 measurements

  • testo 480 - Digital temperature and humidity meter

    Order-Nr. 0563 4800

    Air flow measurements in ventilation ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms – the testo 480 temperature and humidity meter comes with a wide range of optional sensors that allow you to measure, analyze, and log these and a variety of other parameters with only one device.

    • High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT

    • High precision, integrated pressure difference sensor included

    • Pro-software for easy and efficient analysis and logging included

    • Intelligent calibration concept

  • testo 512 - Pressure and flow velocity measuring instrument 0 to 2 hPa

    Order-Nr. 0560 5126

    The testo 512 differential pressure meter is available in 4 different models. This model has a measuring range of 0 to 0.80 inH2O (0 to 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 units for pressure: psi, inH2O, inHg, kPa, hPa, Pa, mmH2O, mmHg

    • 2 units for flow: fpm, m/s

    • Built-in density compensation

  • testo 521-2 - Differential pressure measuring instrument 0 to 100 hPa (accuracy ±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 pressure drop on filters, for instance, checking fans and extractors, or for pitot tube measurements.

    • Integrated differential pressure sensor with an accuracy of 0.1% of f.v.

    • Calculation of flow velocity and 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

    Order-Nr. 0560 5127

    The testo 512 differential pressure meter is available in four models. This model has a measuring range of 0 to 0.29 psi, 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 16 and 180 fps.

    • 8 measurement units to choose from: psi, kPa, hPa, Pa, mmH2O, mmHg, inH2O, inHg

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

    • Integrated density compensation

    • Backlit display / min and max values / hold function

  • testo 512 - Pressure and flow velocity measuring instrument 0 to 200 hPa

    Order-Nr. 0560 5128

    The testo 512 differential pressure meter is available in four different models. This model has a measuring range of 0 to 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, mmH2O, mmHg, inH2O, inHg

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

    • Integrated density compensation

    • Backlit display, min/max values, hold function

62 Products found
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